diff --git a/transform/convert_quadkey_and_Vertical_id.go b/transform/convert_quadkey_and_Vertical_id.go
index 50353b9..4a6cb38 100644
--- a/transform/convert_quadkey_and_Vertical_id.go
+++ b/transform/convert_quadkey_and_Vertical_id.go
@@ -440,7 +440,7 @@ func ConvertExtendedSpatialIDsToQuadkeysAndAltitudekeys(extendedSpatialIDs []str
 	return extendedSpatialIDToQuadkeyAndAltitudekey, nil
 }
 
-// ConvertExtendedSpatialIDsToSpatialIDs 拡張空間IDを空間IDへ変換する
+// ConvertExtendedSpatialIDToSpatialIDs 拡張空間IDを空間IDへ変換する
 //
 // 引数 :
 //
@@ -495,7 +495,7 @@ func ConvertExtendedSpatialIDsToQuadkeysAndAltitudekeys(extendedSpatialIDs []str
 //
 //	出力
 //	[]string{"6/0/24/49"}
-func ConvertExtendedSpatialIDsToSpatialIDs(extendedSpatialID *object.ExtendedSpatialID) []string {
+func ConvertExtendedSpatialIDToSpatialIDs(extendedSpatialID *object.ExtendedSpatialID) []string {
 	spatialIds := []string{}
 	// 精度が高い方へズームレベルを上げる
 	switch {
@@ -642,6 +642,53 @@ func ConvertTileXYZToExtendedSpatialIDs(request []*object.TileXYZ, zBaseExponent
 	return extendedSpatialIDs, nil
 }
 
+// ConvertTileXYZToSpatialIDs
+// TileXYZ形式から空間ID形式へ変換する
+// ConvertTileXYZToExtendedSpatialIDs と ConvertExtendedSpatialIDToSpatialIDs の組み合わせであるため、詳細はそちらを参照
+//
+// TileXYZのx,yは水平精度と垂直精度のうち高い方の空間IDのX,Yに変換される。
+// TileXYZのZから拡張空間ID垂直インデックス(f)へは高度変換が用いられ変化する。
+//
+// 引数 :
+//
+//	request : 変換対象のTileXYZ構造体のスライス
+//	zBaseExponent： zの高さが1mとなるズームレベル
+//	zBaseOffset： ズームレベルがzBaseExponentのとき高度0mにおけるvZoom
+//	outputVZoom : 拡張空間ID変換中の拡張空間IDの高さの精度指定。空間ID変換時、水平精度の方が高い場合この値は使われない。拡張空間IDの精度の閾値である 0 ～ 35 の整数値を指定可能。
+//
+// 戻り値 :
+//
+//	変換後の空間IDのスライス
+//
+// 戻り値(エラー) :
+//
+//	以下の条件に当てはまる場合、エラーインスタンスが返却される。
+//	 精度閾値超過(出力精度)：出力の水平方向精度、または高さ方向の精度に 0 ～ 35 の整数値以外が入力されていた場合。
+//	 z高度範囲外：変換前のzがその垂直ズームレベルにおける高度範囲外である場合。
+//	 拡張空間ID高度範囲外：拡張空間ID変換時の拡張空間ID高度がその垂直ズームレベルにおける高度範囲外である場合。
+//
+// 補足事項：
+//
+//	入力のoutputVZoomは次の2項目と関係しており、出力空間ID数に影響を与える
+//	1. TileXYZの垂直精度, zBaseExponent, zBaseOffset: 条件により拡張空間ID変換後の拡張空間ID数が増加する(詳しくは ConvertTileXYZToExtendedSpatialIDs の例を参照)
+//	2. TileXYZの水平精度の差: 差が1増えるごとに1で出力された拡張空間ID数の4のべき乗で出力空間ID数が増加する。
+//	そのため、これら2項目の値によっては変換後の空間ID数は大幅に増大する。
+//	動作環境によってはメモリ不足となる可能性があるため、注意すること。
+func ConvertTileXYZToSpatialIDs(request []*object.TileXYZ, zBaseExponent uint16, zBaseOffset int64, outputVZoom uint16) ([]string, error) {
+	var outputData []string
+	outputExtendedSpatialIds, err := ConvertTileXYZToExtendedSpatialIDs(
+		request, zBaseExponent, zBaseOffset, outputVZoom,
+	)
+	if err != nil {
+		return nil, err
+	}
+	for _, out := range outputExtendedSpatialIds {
+		spatialIds := ConvertExtendedSpatialIDToSpatialIDs(&out)
+		outputData = append(outputData, spatialIds...)
+	}
+	return outputData, nil
+}
+
 // ConvertAltitudeKeyToZ altitudekeyを(拡張)空間IDのz成分に高度変換する。
 //
 // 変換前と変換後の精度差によって出力されるaltitudekeyの個数は増減する。
diff --git a/transform/convert_quadkey_and_Vertical_id_test.go b/transform/convert_quadkey_and_Vertical_id_test.go
index 02318f5..9c895ea 100755
--- a/transform/convert_quadkey_and_Vertical_id_test.go
+++ b/transform/convert_quadkey_and_Vertical_id_test.go
@@ -1,1622 +1,1768 @@
-// 空間IDパッケージ
-package transform
-
-import (
-	"reflect"
-	"sort"
-	"strconv"
-	"strings"
-	"testing"
-
-	"github.com/stretchr/testify/assert"
-	"github.com/trajectoryjp/spatial_id_go/v4/common/errors"
-	"github.com/trajectoryjp/spatial_id_go/v4/common/object"
-)
-
-func TestConvertQuadkeysAndVerticalIDsToExtendedSpatialIDs(t *testing.T) {
-	// データの作成
-	quadkeyAndVerticalIDList := []*object.QuadkeyAndVerticalID{}
-	newQuadkeyAndVerticalID := object.NewQuadkeyAndVerticalID(6, 2914, 7, 74, 500, 0) // 231202 6/24/53/5/0
-	quadkeyAndVerticalIDList = append(quadkeyAndVerticalIDList, newQuadkeyAndVerticalID)
-	newQuadkeyAndVerticalID = object.NewQuadkeyAndVerticalID(6, 2882, 25, 0, 0, 0) // 231002 "7/48/58/2/0","7/49/58/2/0","7/48/59/2/0","7/49/59/2/0"
-	quadkeyAndVerticalIDList = append(quadkeyAndVerticalIDList, newQuadkeyAndVerticalID)
-
-	quadkeyAndVerticalIDList2 := []*object.QuadkeyAndVerticalID{}
-	newQuadkeyAndVerticalID = object.NewQuadkeyAndVerticalID(9, 451739, 25, 0, 0, 0) // 123210212 "9/338/229/2/0"
-	quadkeyAndVerticalIDList2 = append(quadkeyAndVerticalIDList2, newQuadkeyAndVerticalID)
-
-	quadkeyAndVerticalIDListE := []*object.QuadkeyAndVerticalID{}
-	newQuadkeyAndVerticalIDE := object.NewQuadkeyAndVerticalID(6, 2882, 25, 0, -500, 0) // 231002
-	quadkeyAndVerticalIDListE = append(quadkeyAndVerticalIDListE, newQuadkeyAndVerticalIDE)
-
-	quadkeyAndVerticalIDListE2 := []*object.QuadkeyAndVerticalID{}
-	newQuadkeyAndVerticalIDE = object.NewQuadkeyAndVerticalID(6, 2882, 2, 10, 500, 0) // 231002
-	quadkeyAndVerticalIDListE2 = append(quadkeyAndVerticalIDListE2, newQuadkeyAndVerticalIDE)
-
-	quadkeyAndVerticalIDListE3 := []*object.QuadkeyAndVerticalID{}
-	newQuadkeyAndVerticalIDE = object.NewQuadkeyAndVerticalID(32, 2882, 2, 10, 500, 0) // 231002
-	quadkeyAndVerticalIDListE3 = append(quadkeyAndVerticalIDListE3, newQuadkeyAndVerticalIDE)
-
-	quadkeyAndVerticalIDListE4 := []*object.QuadkeyAndVerticalID{}
-	newQuadkeyAndVerticalIDE = object.NewQuadkeyAndVerticalID(31, 2882, 36, 10, 500, 0) // 231002
-	quadkeyAndVerticalIDListE4 = append(quadkeyAndVerticalIDListE4, newQuadkeyAndVerticalIDE)
-
-	quadkeyAndVerticalIDListE5 := []*object.QuadkeyAndVerticalID{}
-	newQuadkeyAndVerticalIDE = object.NewQuadkeyAndVerticalID(31, 4611686018427388065, 25, 0, 500, 0) // 231002
-	quadkeyAndVerticalIDListE5 = append(quadkeyAndVerticalIDListE5, newQuadkeyAndVerticalIDE)
-
-	datas := []struct {
-		quadkeyAndVerticalIDs []*object.QuadkeyAndVerticalID
-		ToHZoom               int64
-		ToVZoom               int64
-		result                []string
-		pattern               int64
-		e                     error
-	}{
-		{quadkeyAndVerticalIDs: quadkeyAndVerticalIDList, ToHZoom: 6, ToVZoom: 20, pattern: 0, result: []string{"6/24/53/20/9", "6/24/49/20/0"}},
-		{quadkeyAndVerticalIDs: quadkeyAndVerticalIDList, ToHZoom: 7, ToVZoom: 2, pattern: 0, result: []string{"7/48/107/2/0", "7/49/107/2/0", "7/48/98/2/0", "7/49/98/2/0", "7/48/99/2/0", "7/49/99/2/0", "7/48/106/2/0", "7/49/106/2/0"}},
-		{quadkeyAndVerticalIDs: quadkeyAndVerticalIDList, ToHZoom: 5, ToVZoom: 8, pattern: 0, result: []string{"5/12/26/8/0", "5/12/24/8/0"}},
-		{quadkeyAndVerticalIDs: quadkeyAndVerticalIDList2, ToHZoom: 9, ToVZoom: 2, pattern: 0, result: []string{"9/338/229/2/0"}},
-		// 異常系(精度エラー)
-		{quadkeyAndVerticalIDs: quadkeyAndVerticalIDListE, ToHZoom: 0, ToVZoom: 35, pattern: 1, e: errors.NewSpatialIdError(errors.InputValueErrorCode, "")},
-		{quadkeyAndVerticalIDs: quadkeyAndVerticalIDListE, ToHZoom: 5, ToVZoom: 36, pattern: 1, e: errors.NewSpatialIdError(errors.InputValueErrorCode, "")},
-		{quadkeyAndVerticalIDs: quadkeyAndVerticalIDListE2, ToHZoom: 5, ToVZoom: 35, pattern: 1, e: errors.NewSpatialIdError(errors.InputValueErrorCode, "")},
-		{quadkeyAndVerticalIDs: quadkeyAndVerticalIDListE3, ToHZoom: 5, ToVZoom: 35, pattern: 1, e: errors.NewSpatialIdError(errors.InputValueErrorCode, "")},
-		{quadkeyAndVerticalIDs: quadkeyAndVerticalIDListE4, ToHZoom: 5, ToVZoom: 35, pattern: 1, e: errors.NewSpatialIdError(errors.InputValueErrorCode, "")},
-		{quadkeyAndVerticalIDs: quadkeyAndVerticalIDListE5, ToHZoom: 5, ToVZoom: 35, pattern: 1, e: errors.NewSpatialIdError(errors.InputValueErrorCode, "")},
-	}
-
-	for _, p := range datas {
-		result, e := ConvertQuadkeysAndVerticalIDsToExtendedSpatialIDs(p.quadkeyAndVerticalIDs, p.ToHZoom, p.ToVZoom)
-		sort.Strings(result)
-		sort.Strings(p.result)
-		if p.pattern == 0 && !reflect.DeepEqual(result, p.result) {
-			t.Log(t.Name())
-			t.Errorf("ConvertQuadkeysAndVerticalIDsToExtendedSpatialIDs(%+v,%d,%d) == %s, result: %s", p.quadkeyAndVerticalIDs, p.ToHZoom, p.ToVZoom, p.result, result)
-			return
-		}
-		if p.pattern == 1 && e != p.e {
-			t.Log(t.Name())
-			t.Errorf("ConvertQuadkeysAndVerticalIDsToExtendedSpatialIDs(%+v,%d,%d) == %+v, result: %+v", p.quadkeyAndVerticalIDs, p.ToHZoom, p.ToVZoom, e, p.e)
-		}
-	}
-
-}
-
-func TestConvertQuadkeysAndVerticalIDsToSpatialIDs(t *testing.T) {
-	// データの作成
-	quadkeyAndVerticalIDList := []*object.QuadkeyAndVerticalID{}
-	newQuadkeyAndVerticalID := object.NewQuadkeyAndVerticalID(6, 2914, 7, 74, 500, 0) // 231202 6/24/53/5/0
-	quadkeyAndVerticalIDList = append(quadkeyAndVerticalIDList, newQuadkeyAndVerticalID)
-	newQuadkeyAndVerticalID = object.NewQuadkeyAndVerticalID(6, 2882, 25, 0, 0, 0) // 231002 "7/48/58/2/0","7/49/58/2/0","7/48/59/2/0","7/49/59/2/0"
-	quadkeyAndVerticalIDList = append(quadkeyAndVerticalIDList, newQuadkeyAndVerticalID)
-
-	quadkeyAndVerticalIDList2 := []*object.QuadkeyAndVerticalID{}
-	newQuadkeyAndVerticalID = object.NewQuadkeyAndVerticalID(9, 451739, 25, 0, 0, 0) // 123210212 "9/338/229/2/0"
-	quadkeyAndVerticalIDList2 = append(quadkeyAndVerticalIDList2, newQuadkeyAndVerticalID)
-
-	quadkeyAndVerticalIDListE := []*object.QuadkeyAndVerticalID{}
-	newQuadkeyAndVerticalIDE := object.NewQuadkeyAndVerticalID(6, 2882, 25, 0, -500, 0) // 231002
-	quadkeyAndVerticalIDListE = append(quadkeyAndVerticalIDListE, newQuadkeyAndVerticalIDE)
-
-	quadkeyAndVerticalIDListE2 := []*object.QuadkeyAndVerticalID{}
-	newQuadkeyAndVerticalIDE = object.NewQuadkeyAndVerticalID(6, 2882, 2, 10, 500, 0) // 231002
-	quadkeyAndVerticalIDListE2 = append(quadkeyAndVerticalIDListE2, newQuadkeyAndVerticalIDE)
-
-	quadkeyAndVerticalIDListE3 := []*object.QuadkeyAndVerticalID{}
-	newQuadkeyAndVerticalIDE = object.NewQuadkeyAndVerticalID(32, 2882, 2, 10, 500, 0) // 231002
-	quadkeyAndVerticalIDListE3 = append(quadkeyAndVerticalIDListE3, newQuadkeyAndVerticalIDE)
-
-	quadkeyAndVerticalIDListE4 := []*object.QuadkeyAndVerticalID{}
-	newQuadkeyAndVerticalIDE = object.NewQuadkeyAndVerticalID(31, 2882, 36, 10, 500, 0) // 231002
-	quadkeyAndVerticalIDListE4 = append(quadkeyAndVerticalIDListE4, newQuadkeyAndVerticalIDE)
-
-	quadkeyAndVerticalIDListE5 := []*object.QuadkeyAndVerticalID{}
-	newQuadkeyAndVerticalIDE = object.NewQuadkeyAndVerticalID(31, 4611686018427388065, 25, 0, 500, 0) // 231002
-	quadkeyAndVerticalIDListE5 = append(quadkeyAndVerticalIDListE5, newQuadkeyAndVerticalIDE)
-
-	datas := []struct {
-		quadkeyAndVerticalIDs []*object.QuadkeyAndVerticalID
-		ToZoom                int64
-		result                []string
-		pattern               int64
-		e                     error
-	}{
-		{quadkeyAndVerticalIDs: quadkeyAndVerticalIDList, ToZoom: 6, pattern: 0, result: []string{"6/0/24/53", "6/0/24/49"}},
-		{quadkeyAndVerticalIDs: quadkeyAndVerticalIDList, ToZoom: 7, pattern: 0, result: []string{"7/0/48/107", "7/0/49/107", "7/0/48/98", "7/0/49/98", "7/0/48/99", "7/0/49/99", "7/0/48/106", "7/0/49/106"}},
-		{quadkeyAndVerticalIDs: quadkeyAndVerticalIDList, ToZoom: 5, pattern: 0, result: []string{"5/0/12/26", "5/0/12/24"}},
-		{quadkeyAndVerticalIDs: quadkeyAndVerticalIDList2, ToZoom: 9, pattern: 0, result: []string{"9/0/338/229"}},
-		// 異常系(精度エラー)
-		{quadkeyAndVerticalIDs: quadkeyAndVerticalIDListE, ToZoom: 0, pattern: 1, e: errors.NewSpatialIdError(errors.InputValueErrorCode, "")},
-		{quadkeyAndVerticalIDs: quadkeyAndVerticalIDListE, ToZoom: 5, pattern: 1, e: errors.NewSpatialIdError(errors.InputValueErrorCode, "")},
-		{quadkeyAndVerticalIDs: quadkeyAndVerticalIDListE2, ToZoom: 5, pattern: 1, e: errors.NewSpatialIdError(errors.InputValueErrorCode, "")},
-		{quadkeyAndVerticalIDs: quadkeyAndVerticalIDListE3, ToZoom: 5, pattern: 1, e: errors.NewSpatialIdError(errors.InputValueErrorCode, "")},
-		{quadkeyAndVerticalIDs: quadkeyAndVerticalIDListE4, ToZoom: 5, pattern: 1, e: errors.NewSpatialIdError(errors.InputValueErrorCode, "")},
-		{quadkeyAndVerticalIDs: quadkeyAndVerticalIDListE5, ToZoom: 5, pattern: 1, e: errors.NewSpatialIdError(errors.InputValueErrorCode, "")},
-	}
-
-	for _, p := range datas {
-		result, e := ConvertQuadkeysAndVerticalIDsToSpatialIDs(p.quadkeyAndVerticalIDs, p.ToZoom)
-		sort.Strings(result)
-		sort.Strings(p.result)
-		if p.pattern == 0 && !reflect.DeepEqual(result, p.result) {
-			t.Log(t.Name())
-			t.Errorf("ConvertQuadkeysAndVerticalIDsToSpatialIDs(%+v,%d) == %s, result: %s", p.quadkeyAndVerticalIDs, p.ToZoom, p.result, result)
-			return
-		}
-		if p.pattern == 1 && e != p.e {
-			t.Log(t.Name())
-			t.Errorf("ConvertQuadkeysAndVerticalIDsToExtendedSpatialIDs(%+v,%d) == %+v, result: %+v", p.quadkeyAndVerticalIDs, p.ToZoom, e, p.e)
-		}
-	}
-
-}
-
-func TestConvertExtendedSpatialIdsToQuadkeysAndVerticalIDs(t *testing.T) {
-	// 結果確認用の構造体を作成する
-	//"20/85263/65423"→ 00012322332320003333 →7432012031 21:29728048124,29728048125,29728048126,29728048127,
-	//horizontalID: "20/45621/43566", result: 3448507833},         //"00003031203000312321"
-	//horizontalID: "26/4562451/2343566", result: 26508024119725}, //"00012001233201113020012231"
-	//horizontalID: "26/1/2", result: 9},                          //"00000000000000000000000021"
-	//horizontalID: "26/2/1", result: 6},                          //"00000000000000000000000012"
-	//horizontalID: "5/4562451/2343566", result: 429},             //"12231"
-
-	quadkeyAndVerticalIDs := []*object.FromExtendedSpatialIDToQuadkeyAndVerticalID{}
-	newQuadkeyAndVerticalID := object.NewFromExtendedSpatialIDToQuadkeyAndVerticalID(21, [][2]int64{{29728048124, 58}, {29728048124, 57}, {29728048125, 58}, {29728048125, 57}, {29728048126, 58}, {29728048126, 57}, {29728048127, 58}, {29728048127, 57}}, 10, 500, 0)
-	quadkeyAndVerticalIDs = append(quadkeyAndVerticalIDs, newQuadkeyAndVerticalID)
-
-	quadkeyAndVerticalIDsSpatialIDs := []*object.FromExtendedSpatialIDToQuadkeyAndVerticalID{}
-	newQuadkeyAndVerticalID = object.NewFromExtendedSpatialIDToQuadkeyAndVerticalID(19, [][2]int64{{1858003007, 56}}, 26, 0, 0)
-	quadkeyAndVerticalIDsSpatialIDs = append(quadkeyAndVerticalIDsSpatialIDs, newQuadkeyAndVerticalID)
-
-	quadkeyAndVerticalIDsHBorders1 := []*object.FromExtendedSpatialIDToQuadkeyAndVerticalID{}
-	newQuadkeyAndVerticalID = object.NewFromExtendedSpatialIDToQuadkeyAndVerticalID(1, [][2]int64{{0, 56}}, 26, 0, 0)
-	quadkeyAndVerticalIDsHBorders1 = append(quadkeyAndVerticalIDsHBorders1, newQuadkeyAndVerticalID)
-	quadkeyAndVerticalIDsHBorders31 := []*object.FromExtendedSpatialIDToQuadkeyAndVerticalID{}
-	newQuadkeyAndVerticalID = object.NewFromExtendedSpatialIDToQuadkeyAndVerticalID(31, [][2]int64{{29031296, 1}, {29031296, 0}}, 10, 500, 0)
-	quadkeyAndVerticalIDsHBorders31 = append(quadkeyAndVerticalIDsHBorders31, newQuadkeyAndVerticalID)
-
-	// quadkeyAndVerticalIDsValueE := []*object.FromExtendedSpatialIDToQuadkeyAndVerticalID{}
-	// newQuadkeyAndVerticalID = object.NewFromExtendedSpatialIDToQuadkeyAndVerticalID(31, [][2]int64{{29031296, 1}, {29031296, 0}}, 10, 500, 0)
-	// quadkeyAndVerticalIDsValueE = append(quadkeyAndVerticalIDsValueE, newQuadkeyAndVerticalID)
-
-	_, err := strconv.ParseInt("test", 10, 64)
-	datas := []struct {
-		spatialIds   []string
-		ToHZoom      int64
-		ToVZoom      int64
-		maxHeight    float64
-		minHeight    float64
-		result       []*object.FromExtendedSpatialIDToQuadkeyAndVerticalID
-		resultLength int
-		pattern      int64 // 0:正常 1:異常 2:個数(水平) 3:個数(垂直)
-		e            error
-	}{
-		// 正常
-		{spatialIds: []string{"20/85263/65423/26/56"}, ToHZoom: 21, ToVZoom: 10, maxHeight: 500, minHeight: 0.0, result: quadkeyAndVerticalIDs, pattern: 0},
-		{spatialIds: []string{"20/85263/65423/26/56"}, ToHZoom: 19, ToVZoom: 26, maxHeight: 0, minHeight: 0.0, result: quadkeyAndVerticalIDsSpatialIDs, pattern: 0},
-
-		// 水平精度個数確認 低精度は1、高精度は精度差^4
-		{spatialIds: []string{"20/85263/65423/26/56"}, ToHZoom: 24, ToVZoom: 10, maxHeight: 500, minHeight: 0.0, result: quadkeyAndVerticalIDs, resultLength: 512, pattern: 2},
-		{spatialIds: []string{"20/85263/65423/26/56"}, ToHZoom: 2, ToVZoom: 10, maxHeight: 500, minHeight: 0.0, result: quadkeyAndVerticalIDs, resultLength: 2, pattern: 2},
-		// 水平精度境界値
-		{spatialIds: []string{"20/85263/65423/26/0"}, ToHZoom: 1, ToVZoom: 10, maxHeight: 500, minHeight: 0.0, result: quadkeyAndVerticalIDsHBorders1, resultLength: 2, pattern: 2},
-		{spatialIds: []string{"35/85263/65423/26/0"}, ToHZoom: 31, ToVZoom: 10, maxHeight: 500, minHeight: 0.0, result: quadkeyAndVerticalIDsHBorders31, pattern: 0},
-
-		// 垂直精度境界値
-		{spatialIds: []string{"20/85263/65423/26/0"}, ToHZoom: 21, ToVZoom: 0, maxHeight: 500, minHeight: 0.0, result: quadkeyAndVerticalIDs, resultLength: 4, pattern: 3},
-		{spatialIds: []string{"20/85263/65423/26/0"}, ToHZoom: 21, ToVZoom: 1, maxHeight: 500, minHeight: 0.0, result: quadkeyAndVerticalIDs, resultLength: 4, pattern: 3},
-
-		// 異常系(精度エラー)
-		{spatialIds: []string{"20/85263/65423/26/56"}, ToHZoom: 0, ToVZoom: 10, maxHeight: 0, minHeight: 0.0, pattern: 1, e: errors.NewSpatialIdError(errors.InputValueErrorCode, "")},
-		{spatialIds: []string{"20/85263/65423/26/56"}, ToHZoom: 20, ToVZoom: -1, maxHeight: 0, minHeight: 0.0, pattern: 1, e: errors.NewSpatialIdError(errors.InputValueErrorCode, "")},
-		{spatialIds: []string{"35/85263/65423/26/56"}, ToHZoom: 32, ToVZoom: 10, maxHeight: 0, minHeight: 0.0, pattern: 1, e: errors.NewSpatialIdError(errors.InputValueErrorCode, "")},
-		{spatialIds: []string{"20/85263/65423/35/56"}, ToHZoom: 20, ToVZoom: 36, maxHeight: 0, minHeight: 0.0, pattern: 1, e: errors.NewSpatialIdError(errors.InputValueErrorCode, "")},
-		{spatialIds: []string{"36/85263/65423/26/56"}, ToHZoom: 1, ToVZoom: 10, maxHeight: 500.0, minHeight: 0.0, pattern: 1, e: errors.NewSpatialIdError(errors.InputValueErrorCode, "")},
-		{spatialIds: []string{"20/85263/65423/36/56"}, ToHZoom: 1, ToVZoom: 10, maxHeight: 500.0, minHeight: 0.0, pattern: 1, e: errors.NewSpatialIdError(errors.InputValueErrorCode, "")},
-
-		// 異常系(高度エラー)
-		{spatialIds: []string{"20/85263/65423/26/56"}, ToHZoom: 1, ToVZoom: 10, maxHeight: -500.0, minHeight: 0.0, pattern: 1, e: errors.NewSpatialIdError(errors.InputValueErrorCode, "")},
-		// 異常系(入力エラー)
-		{spatialIds: []string{"20/test/65423/26/56"}, ToHZoom: 1, ToVZoom: 10, maxHeight: 500.0, minHeight: 0.0, pattern: 1, e: errors.NewSpatialIdError(errors.InputValueErrorCode, err.Error())},
-	}
-	for _, p := range datas {
-
-		result, e := ConvertExtendedSpatialIDsToQuadkeysAndVerticalIDs(p.spatialIds, p.ToHZoom, p.ToVZoom, p.maxHeight, p.minHeight)
-		if p.pattern == 0 && !reflect.DeepEqual(result, p.result) {
-			t.Log(t.Name())
-			t.Errorf("ConvertExtendedSpatialIDsToQuadkeysAndVerticalIDs(%s,%d,%d,%f,%f) == %+v, result: %+v", p.spatialIds, p.ToHZoom, p.ToVZoom, p.maxHeight, p.minHeight, p.result[0], result[0])
-		}
-		if p.pattern == 1 && e != p.e {
-			t.Log(t.Name())
-			t.Errorf("ConvertExtendedSpatialIDsToQuadkeysAndVerticalIDs(%s,%d,%d,%f,%f) == %+v, result: %+v", p.spatialIds, p.ToHZoom, p.ToVZoom, p.maxHeight, p.minHeight, e, p.e)
-		}
-		if p.pattern == 2 && p.resultLength != len(result[0].InnerIDList()) {
-			t.Log(t.Name())
-			t.Errorf("ConvertExtendedSpatialIDsToQuadkeysAndVerticalIDs(%s,%d,%d,%f,%f) == %+v, result: %+v", p.spatialIds, p.ToHZoom, p.ToVZoom, p.maxHeight, p.minHeight, len(result[0].InnerIDList()), p.resultLength)
-		}
-		if p.pattern == 3 && p.resultLength != len(result[0].InnerIDList()) {
-			t.Log(t.Name())
-			t.Errorf("ConvertExtendedSpatialIDsToQuadkeysAndVerticalIDs(%s,%d,%d,%f,%f) == %+v, result: %+v", p.spatialIds, p.ToHZoom, p.ToVZoom, p.maxHeight, p.minHeight, len(result[0].InnerIDList()), p.resultLength)
-		}
-
-	}
-}
-
-func TestConvertExtendedSpatialIDsToQuadkeysAndAltitudekeys_1(t *testing.T) {
-	expected := []*object.FromExtendedSpatialIDToQuadkeyAndAltitudekey{
-		object.NewFromExtendedSpatialIDToQuadkeyAndAltitudekey(
-			20,
-			[][2]int64{{7432012031, 56}},
-			26,
-			25,
-			0,
-		),
-	}
-
-	result, error := ConvertExtendedSpatialIDsToQuadkeysAndAltitudekeys(
-		[]string{"20/85263/65423/26/56"},
-		20,
-		26,
-		25,
-		0,
-	)
-	if error != nil {
-		t.Fatal(error)
-	}
-
-	if !reflect.DeepEqual(result, expected) {
-		t.Fatal(result)
-	}
-}
-
-func TestConvertExtendedSpatialIDsToQuadkeysAndAltitudekeys_2(t *testing.T) {
-	expected := []*object.FromExtendedSpatialIDToQuadkeyAndAltitudekey{
-		object.NewFromExtendedSpatialIDToQuadkeyAndAltitudekey(
-			21,
-			[][2]int64{{29728048124, 56}, {29728048125, 56}, {29728048126, 56}, {29728048127, 56}},
-			26,
-			25,
-			0,
-		),
-	}
-
-	result, error := ConvertExtendedSpatialIDsToQuadkeysAndAltitudekeys(
-		[]string{"20/85263/65423/26/56"},
-		21,
-		26,
-		25,
-		0,
-	)
-	if error != nil {
-		t.Fatal(error)
-	}
-
-	if !reflect.DeepEqual(result, expected) {
-		t.Fatal(result)
-	}
-}
-
-func TestConvertExtendedSpatialIDsToQuadkeysAndAltitudekeys_3(t *testing.T) {
-	expected := []*object.FromExtendedSpatialIDToQuadkeyAndAltitudekey{
-		object.NewFromExtendedSpatialIDToQuadkeyAndAltitudekey(
-			20,
-			[][2]int64{{7432012031, 7}},
-			12,
-			14, // 2^14
-			0,
-		),
-	}
-
-	result, error := ConvertExtendedSpatialIDsToQuadkeysAndAltitudekeys(
-		[]string{"20/85263/65423/26/56"},
-		20,
-		12,
-		14,
-		0,
-	)
-	if error != nil {
-		t.Fatal(error)
-	}
-
-	if !reflect.DeepEqual(result, expected) {
-		t.Fatal(result)
-	}
-}
-
-func TestConvertExtendedSpatialIDsToQuadkeysAndAltitudekeys_4(t *testing.T) {
-	expected := []*object.FromExtendedSpatialIDToQuadkeyAndAltitudekey{
-		object.NewFromExtendedSpatialIDToQuadkeyAndAltitudekey(
-			20,
-			[][2]int64{{7432012031, 54}},
-			12,
-			14,
-			188,
-		),
-	}
-
-	result, error := ConvertExtendedSpatialIDsToQuadkeysAndAltitudekeys(
-		[]string{"20/85263/65423/26/56"},
-		20,
-		12,
-		14,
-		188,
-	)
-	if error != nil {
-		t.Fatal(error)
-	}
-
-	if !reflect.DeepEqual(result, expected) {
-		t.Fatal(result)
-	}
-}
-
-func TestConvertExtendedSpatialIDsToQuadkeysAndAltitudekeys_5(t *testing.T) {
-	expected := []*object.FromExtendedSpatialIDToQuadkeyAndAltitudekey{
-		object.NewFromExtendedSpatialIDToQuadkeyAndAltitudekey(
-			21,
-			[][2]int64{{29728048124, 12}, {29728048124, 13}, {29728048125, 12}, {29728048125, 13}, {29728048126, 12}, {29728048126, 13}, {29728048127, 12}, {29728048127, 13}},
-			15,
-			14,
-			-50,
-		),
-	}
-
-	result, error := ConvertExtendedSpatialIDsToQuadkeysAndAltitudekeys(
-		[]string{"20/85263/65423/25/56"},
-		21,
-		15,
-		14,
-		-50,
-	)
-	if error != nil {
-		t.Fatal(error)
-	}
-
-	if !reflect.DeepEqual(result, expected) {
-		t.Fatal(result)
-	}
-}
-
-func newTileXYZ(t *testing.T, hZoom uint16, x int64, y int64, vZoom uint16, z int64) *object.TileXYZ {
-	t.Helper()
-	xyz, err := object.NewTileXYZ(hZoom, x, y, vZoom, z)
-	if err != nil {
-		t.Fatal(err)
-	}
-	return xyz
-}
-
-func newExtendedSpatialID(t *testing.T, id string) *object.ExtendedSpatialID {
-	t.Helper()
-	extendedSpatialId, err := object.NewExtendedSpatialID(id)
-	if err != nil {
-		t.Fatal(err)
-	}
-	return extendedSpatialId
-}
-
-func TestConvertTileXYZToExtendedSpatialIDs(t *testing.T) {
-	type argSet struct {
-		tile          []*object.TileXYZ
-		zBaseExponent uint16
-		zBaseOffset   int64
-		outputVZoom   uint16
-	}
-	testCases := []struct {
-		expected []string
-		request  argSet
-	}{
-		{
-			// hZoom/x/y/vZoom/z
-			[]string{"20/85263/65423/23/-2"},
-			argSet{
-				[]*object.TileXYZ{newTileXYZ(
-					t,
-					20,
-					85263,
-					65423,
-					23,
-					0,
-				)},
-				23,
-				8,
-				23,
-			},
-		},
-		{
-			[]string{"20/85263/65423/25/1"},
-			argSet{
-				[]*object.TileXYZ{newTileXYZ(
-					t,
-					20,
-					85263,
-					65423,
-					25,
-					3,
-				)},
-				25,
-				2,
-				25,
-			},
-		},
-		{
-			[]string{"20/85263/65423/3/0"},
-			argSet{
-				[]*object.TileXYZ{newTileXYZ(
-					t,
-					20,
-					85263,
-					65423,
-					3,
-					3,
-				)},
-				3,
-				2,
-				3,
-			},
-		},
-		{
-			[]string{"20/85263/65423/23/-2"},
-			argSet{
-				[]*object.TileXYZ{newTileXYZ(
-					t,
-					20,
-					85263,
-					65423,
-					23,
-					0,
-				)},
-				25,
-				8,
-				23,
-			},
-		},
-		{
-			[]string{"20/85263/65423/23/-2", "20/85263/65423/23/-1"},
-			argSet{
-				[]*object.TileXYZ{newTileXYZ(
-					t,
-					20,
-					85263,
-					65423,
-					23,
-					0,
-				)},
-				25,
-				7,
-				23,
-			},
-		},
-		{
-			[]string{"20/85263/65423/26/6", "20/85263/65423/26/7"},
-			argSet{
-				[]*object.TileXYZ{newTileXYZ(
-					t,
-					20,
-					85263,
-					65423,
-					26,
-					3,
-				)},
-				25,
-				-2,
-				26,
-			},
-		},
-		{
-			[]string{"20/85263/65423/23/0", "20/85263/65423/23/1", "20/85263/65423/23/2"},
-			argSet{
-				[]*object.TileXYZ{
-					newTileXYZ(
-						t,
-						20,
-						85263,
-						65423,
-						23,
-						0,
-					),
-					newTileXYZ(
-						t,
-						20,
-						85263,
-						65423,
-						23,
-						1,
-					)},
-				25,
-				-1,
-				23,
-			},
-		},
-	}
-	for _, testCase := range testCases {
-		expectedData := []object.ExtendedSpatialID{}
-		for i := 0; i < len(testCase.expected); i++ {
-			extendedSpatialId := newExtendedSpatialID(t, testCase.expected[i])
-			expectedData = append(expectedData, *extendedSpatialId)
-		}
-		result, err := ConvertTileXYZToExtendedSpatialIDs(testCase.request.tile, testCase.request.zBaseExponent, testCase.request.zBaseOffset, testCase.request.outputVZoom)
-		if err != nil {
-			t.Fatal(err)
-		}
-		if assert.ElementsMatch(t, expectedData, result) == false {
-			// t.Error(result):
-			t.Errorf("expected: %v result: %v", expectedData, result)
-		} else {
-			t.Log("Success", result)
-		}
-	}
-
-}
-
-func TestErrorConvertTileXYZToExtendedSpatialIDs(t *testing.T) {
-	type argSet struct {
-		tile          []*object.TileXYZ
-		zBaseExponent uint16
-		zBaseOffset   int64
-		outputVZoom   uint16
-	}
-	testCases := []struct {
-		expected string
-		request  argSet
-	}{
-		{
-			"input index does not exist",
-			argSet{
-				[]*object.TileXYZ{newTileXYZ(
-					t,
-					20,
-					85263,
-					65423,
-					25,
-					(1<<zOriginValue)+1,
-				)},
-				25,
-				8,
-				25,
-			},
-		},
-		{
-			"output index does not exist",
-			argSet{
-				[]*object.TileXYZ{newTileXYZ(
-					t,
-					20,
-					85263,
-					65423,
-					25,
-					(1<<zOriginValue)-1,
-				)},
-				25,
-				-1,
-				25,
-			},
-		},
-		{
-			"extendSpatialID zoom level must be in 0-35",
-			argSet{
-				[]*object.TileXYZ{newTileXYZ(
-					t,
-					20,
-					85263,
-					65423,
-					23,
-					0,
-				)},
-				23,
-				8,
-				230,
-			},
-		},
-	}
-	for _, testCase := range testCases {
-		_, err := ConvertTileXYZToExtendedSpatialIDs(testCase.request.tile, testCase.request.zBaseExponent, testCase.request.zBaseOffset, testCase.request.outputVZoom)
-		if err == nil {
-			t.Fatal(err)
-		}
-		if strings.Contains(err.Error(), testCase.expected) == false {
-			t.Errorf("expected: %v result: %v", testCase.expected, err)
-		} else {
-			t.Log("Success", err)
-		}
-	}
-}
-
-func TestConvertExtendedSpatialIDsToSpatialIDs(t *testing.T) {
-	testCases := []struct {
-		expected []string
-		id       *object.ExtendedSpatialID
-	}{
-		{
-			// 水平精度の方が低い場合
-			[]string{"7/0/48/106", "7/0/48/107", "7/0/49/106", "7/0/49/107"},
-			newExtendedSpatialID(t, "6/24/53/7/0"),
-		},
-		{
-			// 水平精度の方が低い場合
-			[]string{"7/0/48/98", "7/0/48/99", "7/0/49/98", "7/0/49/99"},
-			newExtendedSpatialID(t, "6/24/49/7/0"),
-		},
-		{
-			// 垂直精度の方が低い場合
-			[]string{"7/48/24/53", "7/49/24/53"},
-			newExtendedSpatialID(t, "7/24/53/6/24"),
-		},
-		{
-			// 水平精度、垂直精度に差がない場合
-			[]string{"6/0/24/49"},
-			newExtendedSpatialID(t, "6/24/49/6/0"),
-		},
-	}
-	for _, testCase := range testCases {
-		result := ConvertExtendedSpatialIDsToSpatialIDs(testCase.id)
-		if !assert.ElementsMatch(t, testCase.expected, result) {
-			t.Errorf("expected: %v result: %v", testCase.expected, result)
-		}
-	}
-}
-
-func TestConvertExtendedSpatialIDsToQuadkeysAndAltitudekeys_Example1(t *testing.T) {
-	expected := []*object.FromExtendedSpatialIDToQuadkeyAndAltitudekey{
-		object.NewFromExtendedSpatialIDToQuadkeyAndAltitudekey(
-			20,
-			[][2]int64{{7432012031, 3}},
-			3,
-			3,
-			2,
-		),
-	}
-
-	result, error := ConvertExtendedSpatialIDsToQuadkeysAndAltitudekeys(
-		[]string{"20/85263/65423/25/1"},
-		20,
-		3,
-		3,
-		2,
-	)
-	if error != nil {
-		t.Fatal(error)
-	}
-
-	if !reflect.DeepEqual(result, expected) {
-		t.Fatal(result)
-	}
-}
-
-func TestConvertExtendedSpatialIDsToQuadkeysAndAltitudekeys_Example2(t *testing.T) {
-	expected := []*object.FromExtendedSpatialIDToQuadkeyAndAltitudekey{
-		object.NewFromExtendedSpatialIDToQuadkeyAndAltitudekey(
-			20,
-			[][2]int64{{7432012031, 2}},
-			2,
-			3,
-			2,
-		),
-	}
-
-	result, error := ConvertExtendedSpatialIDsToQuadkeysAndAltitudekeys(
-		[]string{"20/85263/65423/25/3"},
-		20,
-		2,
-		3,
-		2,
-	)
-	if error != nil {
-		t.Fatal(error)
-	}
-
-	if !reflect.DeepEqual(result, expected) {
-		t.Fatal(result)
-	}
-}
-
-func TestConvertExtendedSpatialIDsToQuadkeysAndAltitudekeys_Example3(t *testing.T) {
-	expected := []*object.FromExtendedSpatialIDToQuadkeyAndAltitudekey{
-		object.NewFromExtendedSpatialIDToQuadkeyAndAltitudekey(
-			20,
-			[][2]int64{{7432012031, 2}, {7432012031, 3}},
-			3,
-			3,
-			2,
-		),
-	}
-
-	result, error := ConvertExtendedSpatialIDsToQuadkeysAndAltitudekeys(
-		[]string{"20/85263/65423/24/0"},
-		20,
-		3,
-		3,
-		2,
-	)
-	if error != nil {
-		t.Fatal(error)
-	}
-
-	if !reflect.DeepEqual(result, expected) {
-		t.Fatal(result)
-	}
-}
-
-func TestConvertExtendedSpatialIDsToQuadkeysAndAltitudekeys_Example4(t *testing.T) {
-	expected := []*object.FromExtendedSpatialIDToQuadkeyAndAltitudekey{
-		object.NewFromExtendedSpatialIDToQuadkeyAndAltitudekey(
-			20,
-			[][2]int64{{7432012031, 0}, {7432012031, 1}, {7432012031, 2}, {7432012031, 3}},
-			25,
-			23,
-			-1,
-		),
-	}
-
-	result, error := ConvertExtendedSpatialIDsToQuadkeysAndAltitudekeys(
-		[]string{"20/85263/65423/25/1"},
-		20,
-		25,
-		23,
-		-1,
-	)
-	if error != nil {
-		t.Fatal(error)
-	}
-
-	if !reflect.DeepEqual(result, expected) {
-		t.Fatal(result)
-	}
-}
-
-func TestConvertExtendedSpatialIDsToQuadkeysAndAltitudekeys_Example5(t *testing.T) {
-	expected := []*object.FromExtendedSpatialIDToQuadkeyAndAltitudekey{
-		object.NewFromExtendedSpatialIDToQuadkeyAndAltitudekey(
-			20,
-			[][2]int64{{7432012031, 0}},
-			23,
-			25,
-			-1,
-		),
-	}
-
-	result, error := ConvertExtendedSpatialIDsToQuadkeysAndAltitudekeys(
-		[]string{"20/85263/65423/25/1"},
-		20,
-		23,
-		25,
-		-1,
-	)
-	if error != nil {
-		t.Fatal(error)
-	}
-
-	if !reflect.DeepEqual(result, expected) {
-		t.Fatal(result)
-	}
-}
-
-func TestConvertExtendedSpatialIDsToQuadkeysAndAltitudekeys_Example6(t *testing.T) {
-	expected := []*object.FromExtendedSpatialIDToQuadkeyAndAltitudekey{
-		object.NewFromExtendedSpatialIDToQuadkeyAndAltitudekey( // 例6
-			20,
-			[][2]int64{{7432012031, 0}},
-			23,
-			25,
-			-1,
-		),
-	}
-
-	result, error := ConvertExtendedSpatialIDsToQuadkeysAndAltitudekeys(
-		[]string{"20/85263/65423/25/4"},
-		20,
-		23,
-		25,
-		-1,
-	)
-	if error != nil {
-		t.Fatal(error)
-	}
-
-	if !reflect.DeepEqual(result, expected) {
-		t.Fatal(result)
-	}
-}
-
-func TestConvertSpatialIdsToQuadkeysAndVerticalIDs(t *testing.T) {
-	quadkeyAndVerticalIDs := []*object.FromExtendedSpatialIDToQuadkeyAndVerticalID{}
-	newQuadkeyAndVerticalID := object.NewFromExtendedSpatialIDToQuadkeyAndVerticalID(21, [][2]int64{{29728048124, 1023}, {29728048125, 1023}, {29728048126, 1023}, {29728048127, 1023}}, 10, 500, 0)
-	quadkeyAndVerticalIDs = append(quadkeyAndVerticalIDs, newQuadkeyAndVerticalID)
-
-	quadkeyAndVerticalIDsUpup := []*object.FromExtendedSpatialIDToQuadkeyAndVerticalID{}
-	newQuadkeyAndVerticalID = object.NewFromExtendedSpatialIDToQuadkeyAndVerticalID(21, [][2]int64{{29728048124, 2047}, {29728048125, 2047}, {29728048126, 2047}, {29728048127, 2047}}, 11, 500, 0)
-	quadkeyAndVerticalIDsUpup = append(quadkeyAndVerticalIDsUpup, newQuadkeyAndVerticalID)
-
-	quadkeyAndVerticalIDsDwdw := []*object.FromExtendedSpatialIDToQuadkeyAndVerticalID{}
-	newQuadkeyAndVerticalID = object.NewFromExtendedSpatialIDToQuadkeyAndVerticalID(19, [][2]int64{{1858003007, 511}}, 9, 500, 0)
-	quadkeyAndVerticalIDsDwdw = append(quadkeyAndVerticalIDsDwdw, newQuadkeyAndVerticalID)
-
-	quadkeyAndVerticalIDsDwup := []*object.FromExtendedSpatialIDToQuadkeyAndVerticalID{}
-	newQuadkeyAndVerticalID = object.NewFromExtendedSpatialIDToQuadkeyAndVerticalID(19, [][2]int64{{1858003007, 2047}}, 11, 500, 0)
-	quadkeyAndVerticalIDsDwup = append(quadkeyAndVerticalIDsDwup, newQuadkeyAndVerticalID)
-
-	quadkeyAndVerticalIDsSpatialIDs := []*object.FromExtendedSpatialIDToQuadkeyAndVerticalID{}
-	newQuadkeyAndVerticalID = object.NewFromExtendedSpatialIDToQuadkeyAndVerticalID(21, [][2]int64{{29728048124, 112}, {29728048124, 113}, {29728048125, 112}, {29728048125, 113}, {29728048126, 112}, {29728048126, 113}, {29728048127, 112}, {29728048127, 113}}, 21, 0, 0)
-	quadkeyAndVerticalIDsSpatialIDs = append(quadkeyAndVerticalIDsSpatialIDs, newQuadkeyAndVerticalID)
-	quadkeyAndVerticalIDsSpatialIDsUpdw := []*object.FromExtendedSpatialIDToQuadkeyAndVerticalID{}
-	newQuadkeyAndVerticalID = object.NewFromExtendedSpatialIDToQuadkeyAndVerticalID(21, [][2]int64{{29728048124, 28}, {29728048125, 28}, {29728048126, 28}, {29728048127, 28}}, 19, 0, 0)
-	quadkeyAndVerticalIDsSpatialIDsUpdw = append(quadkeyAndVerticalIDsSpatialIDsUpdw, newQuadkeyAndVerticalID)
-	quadkeyAndVerticalIDsSpatialIDsDwup := []*object.FromExtendedSpatialIDToQuadkeyAndVerticalID{}
-	newQuadkeyAndVerticalID = object.NewFromExtendedSpatialIDToQuadkeyAndVerticalID(19, [][2]int64{{1858003007, 112}, {1858003007, 113}}, 21, 0, 0)
-	quadkeyAndVerticalIDsSpatialIDsDwup = append(quadkeyAndVerticalIDsSpatialIDsDwup, newQuadkeyAndVerticalID)
-	quadkeyAndVerticalIDsSpatialIDsDwdw := []*object.FromExtendedSpatialIDToQuadkeyAndVerticalID{}
-	newQuadkeyAndVerticalID = object.NewFromExtendedSpatialIDToQuadkeyAndVerticalID(19, [][2]int64{{1858003007, 28}}, 19, 0, 0)
-	quadkeyAndVerticalIDsSpatialIDsDwdw = append(quadkeyAndVerticalIDsSpatialIDsDwdw, newQuadkeyAndVerticalID)
-
-	quadkeyAndVerticalIDsHBorders1 := []*object.FromExtendedSpatialIDToQuadkeyAndVerticalID{}
-	newQuadkeyAndVerticalID = object.NewFromExtendedSpatialIDToQuadkeyAndVerticalID(1, [][2]int64{{0, 56}}, 26, 0, 0)
-	quadkeyAndVerticalIDsHBorders1 = append(quadkeyAndVerticalIDsHBorders1, newQuadkeyAndVerticalID)
-	quadkeyAndVerticalIDsHBorders31 := []*object.FromExtendedSpatialIDToQuadkeyAndVerticalID{}
-	newQuadkeyAndVerticalID = object.NewFromExtendedSpatialIDToQuadkeyAndVerticalID(31, [][2]int64{{29031296, 0}}, 10, 500, 0)
-	quadkeyAndVerticalIDsHBorders31 = append(quadkeyAndVerticalIDsHBorders31, newQuadkeyAndVerticalID)
-
-	// quadkeyAndVerticalIDsValueE := []*object.FromExtendedSpatialIDToQuadkeyAndVerticalID{}
-	// newQuadkeyAndVerticalID = object.NewFromExtendedSpatialIDToQuadkeyAndVerticalID(31, [][2]int64{{29031296, 1}, {29031296, 0}}, 10, 500, 0)
-	// quadkeyAndVerticalIDsValueE = append(quadkeyAndVerticalIDsValueE, newQuadkeyAndVerticalID)
-
-	_, err := strconv.ParseInt("test", 10, 64)
-	datas := []struct {
-		spatialIds   []string
-		ToHZoom      int64
-		ToVZoom      int64
-		maxHeight    float64
-		minHeight    float64
-		result       []*object.FromExtendedSpatialIDToQuadkeyAndVerticalID
-		resultLength int
-		pattern      int64 // 0:正常 1:異常 2:個数(水平) 3:個数(垂直)
-		e            error
-	}{
-		// 正常
-		{spatialIds: []string{"20/56/85263/65423"}, ToHZoom: 21, ToVZoom: 10, maxHeight: 500, minHeight: 0.0, result: quadkeyAndVerticalIDs, pattern: 0},     //all1
-		{spatialIds: []string{"20/56/85263/65423"}, ToHZoom: 21, ToVZoom: 11, maxHeight: 500, minHeight: 0.0, result: quadkeyAndVerticalIDsUpup, pattern: 0}, //all1
-		{spatialIds: []string{"20/56/85263/65423"}, ToHZoom: 19, ToVZoom: 9, maxHeight: 500, minHeight: 0.0, result: quadkeyAndVerticalIDsDwdw, pattern: 0},  //all1
-		{spatialIds: []string{"20/56/85263/65423"}, ToHZoom: 19, ToVZoom: 11, maxHeight: 500, minHeight: 0.0, result: quadkeyAndVerticalIDsDwup, pattern: 0}, //all1
-
-		{spatialIds: []string{"20/56/85263/65423"}, ToHZoom: 21, ToVZoom: 21, maxHeight: 0, minHeight: 0.0, result: quadkeyAndVerticalIDsSpatialIDs, pattern: 0},
-		{spatialIds: []string{"20/56/85263/65423"}, ToHZoom: 21, ToVZoom: 19, maxHeight: 0, minHeight: 0.0, result: quadkeyAndVerticalIDsSpatialIDsUpdw, pattern: 0},
-		{spatialIds: []string{"20/56/85263/65423"}, ToHZoom: 19, ToVZoom: 21, maxHeight: 0, minHeight: 0.0, result: quadkeyAndVerticalIDsSpatialIDsDwup, pattern: 0},
-		{spatialIds: []string{"20/56/85263/65423"}, ToHZoom: 19, ToVZoom: 19, maxHeight: 0, minHeight: 0.0, result: quadkeyAndVerticalIDsSpatialIDsDwdw, pattern: 0},
-
-		// 水平精度個数確認 低精度は1、高精度は精度差^4
-		{spatialIds: []string{"20/56/85263/65423"}, ToHZoom: 24, ToVZoom: 10, maxHeight: 500, minHeight: 0.0, result: quadkeyAndVerticalIDs, resultLength: 256, pattern: 2},
-		{spatialIds: []string{"20/56/85263/65423"}, ToHZoom: 2, ToVZoom: 10, maxHeight: 500, minHeight: 0.0, result: quadkeyAndVerticalIDs, resultLength: 1, pattern: 2},
-		// 水平精度境界値
-		{spatialIds: []string{"20/0/85263/65423"}, ToHZoom: 1, ToVZoom: 10, maxHeight: 500, minHeight: 0.0, result: quadkeyAndVerticalIDsHBorders1, resultLength: 66, pattern: 2},
-		{spatialIds: []string{"35/0/85263/65423"}, ToHZoom: 31, ToVZoom: 10, maxHeight: 500, minHeight: 0.0, result: quadkeyAndVerticalIDsHBorders31, pattern: 0},
-
-		// 垂直精度境界値
-		{spatialIds: []string{"20/0/85263/65423"}, ToHZoom: 21, ToVZoom: 0, maxHeight: 500, minHeight: 0.0, result: quadkeyAndVerticalIDs, resultLength: 4, pattern: 3},
-		{spatialIds: []string{"20/0/85263/65423"}, ToHZoom: 21, ToVZoom: 1, maxHeight: 500, minHeight: 0.0, result: quadkeyAndVerticalIDs, resultLength: 4, pattern: 3},
-
-		// 異常系(精度エラー)
-		{spatialIds: []string{"20/56/85263/65423"}, ToHZoom: 0, ToVZoom: 10, maxHeight: 0, minHeight: 0.0, pattern: 1, e: errors.NewSpatialIdError(errors.InputValueErrorCode, "")},
-		{spatialIds: []string{"20/56/85263/65423"}, ToHZoom: 20, ToVZoom: -1, maxHeight: 0, minHeight: 0.0, pattern: 1, e: errors.NewSpatialIdError(errors.InputValueErrorCode, "")},
-		{spatialIds: []string{"35/56/85263/65423"}, ToHZoom: 32, ToVZoom: 10, maxHeight: 0, minHeight: 0.0, pattern: 1, e: errors.NewSpatialIdError(errors.InputValueErrorCode, "")},
-		{spatialIds: []string{"20/56/85263/65423"}, ToHZoom: 20, ToVZoom: 36, maxHeight: 0, minHeight: 0.0, pattern: 1, e: errors.NewSpatialIdError(errors.InputValueErrorCode, "")},
-		{spatialIds: []string{"36/56/85263/65423"}, ToHZoom: 1, ToVZoom: 10, maxHeight: 500.0, minHeight: 0.0, pattern: 1, e: errors.NewSpatialIdError(errors.InputValueErrorCode, "")},
-
-		// 異常系(高度エラー)
-		{spatialIds: []string{"20/56/85263/65423"}, ToHZoom: 1, ToVZoom: 10, maxHeight: -500.0, minHeight: 0.0, pattern: 1, e: errors.NewSpatialIdError(errors.InputValueErrorCode, "")},
-		// 異常系(入力エラー)
-		{spatialIds: []string{"20/56/test/65423"}, ToHZoom: 1, ToVZoom: 10, maxHeight: 500.0, minHeight: 0.0, pattern: 1, e: errors.NewSpatialIdError(errors.InputValueErrorCode, err.Error())},
-	}
-	for _, p := range datas {
-		result, e := ConvertSpatialIDsToQuadkeysAndVerticalIDs(p.spatialIds, p.ToHZoom, p.ToVZoom, p.maxHeight, p.minHeight)
-		if p.pattern == 0 && !SortCheck(result, p.result) {
-			t.Log(t.Name())
-			t.Errorf("ConvertSpatialIDsToQuadkeysAndVerticalIDs(%s,%d,%d,%f,%f) == %+v, result: %+v", p.spatialIds, p.ToHZoom, p.ToVZoom, p.maxHeight, p.minHeight, p.result[0], result[0])
-		}
-		if p.pattern == 1 && e != p.e {
-			t.Log(t.Name())
-			t.Errorf("ConvertSpatialIDsToQuadkeysAndVerticalIDs(%s,%d,%d,%f,%f) == %+v, result: %+v", p.spatialIds, p.ToHZoom, p.ToVZoom, p.maxHeight, p.minHeight, e, p.e)
-		}
-
-		if p.pattern == 2 && p.resultLength != len(result[0].InnerIDList()) {
-			t.Log(t.Name())
-			t.Errorf("ConvertSpatialIDsToQuadkeysAndVerticalIDs(%s,%d,%d,%f,%f) == %+v, result: %+v", p.spatialIds, p.ToHZoom, p.ToVZoom, p.maxHeight, p.minHeight, len(result[0].InnerIDList()), p.resultLength)
-		}
-		if p.pattern == 3 && p.resultLength != len(result[0].InnerIDList()) {
-			t.Log(t.Name())
-			t.Errorf("ConvertSpatialIDsToQuadkeysAndVerticalIDs(%s,%d,%d,%f,%f) == %+v, result: %+v", p.spatialIds, p.ToHZoom, p.ToVZoom, p.maxHeight, p.minHeight, len(result[0].InnerIDList()), p.resultLength)
-		}
-
-	}
-}
-
-func SortCheck(r []*object.FromExtendedSpatialIDToQuadkeyAndVerticalID, rt []*object.FromExtendedSpatialIDToQuadkeyAndVerticalID) bool {
-	// 実行結果とテスト値が一致しない場合、false。それ以外の場合、true
-	for index, rTmp := range r {
-		rtTmp := rt[index]
-		if rtTmp.QuadkeyZoom() != rTmp.QuadkeyZoom() {
-			return false
-		}
-		if rtTmp.VerticalZoom() != rTmp.VerticalZoom() {
-			return false
-		}
-		if rtTmp.MaxHeight() != rTmp.MaxHeight() {
-			return false
-		}
-		if rtTmp.MinHeight() != rTmp.MinHeight() {
-			return false
-		}
-		for _, li := range rTmp.InnerIDList() {
-			b := false
-			for _, li2 := range rtTmp.InnerIDList() {
-				if li2 == li {
-					b = true
-				}
-			}
-			// テスト値の内部形式IDが関数の実行結果に存在しない場合、false
-			if !b {
-				return b
-			}
-		}
-	}
-	// 最後に到達した場合はTrue
-	return true
-}
-
-func TestDeleteDuplicationList(t *testing.T) {
-	datas := []struct {
-		duplicationList []string
-		result          []string
-	}{
-		{duplicationList: []string{"20/562356/78451/23/956", "20/562356/78451/23/957", "20/562356/78451/23/956", "20/562356/78451/23/957"}, result: []string{"20/562356/78451/23/956", "20/562356/78451/23/957"}},
-	}
-	for _, p := range datas {
-		result := deleteDuplicationList(p.duplicationList)
-		sort.Strings(result)
-		sort.Strings(p.result)
-		if !reflect.DeepEqual(result, p.result) {
-			t.Log(t.Name())
-			t.Errorf("deleteDuplicationList(%s) == %s, result: %s", p.duplicationList, p.result, result)
-		}
-
-	}
-}
-
-func TestConvertHorizontalIDToQuadkey(t *testing.T) {
-	datas := []struct {
-		horizontalID string
-		result       int64
-	}{
-		{horizontalID: "20/45621/43566", result: 3448507833},         //"00003031203000312321"
-		{horizontalID: "26/4562451/2343566", result: 26508024119725}, //"00012001233201113020012231"
-		{horizontalID: "26/1/2", result: 9},                          //"00000000000000000000000021"
-		{horizontalID: "26/2/1", result: 6},                          //"00000000000000000000000012"
-		{horizontalID: "5/4562451/2343566", result: 429},             //"12231"
-		///{horizontalID: "31/2147483647/2147483647", result: 5},
-	}
-	for _, p := range datas {
-		result := convertHorizontalIDToQuadkey(p.horizontalID)
-		if result != p.result {
-			t.Log(t.Name())
-			t.Errorf("convertHorizontalIDToQuadkey(%s) == %d, result: %d", p.horizontalID, p.result, result)
-		}
-	}
-}
-func TestConvertQuadkeyToHorizontalID(t *testing.T) {
-	datas := []struct {
-		quadkey int64
-		zoom    int64
-		resultX int64
-		resultY int64
-	}{
-		{quadkey: 2914, zoom: 6, resultX: 24, resultY: 53},   //2914-""231202""
-		{quadkey: 438, zoom: 6, resultX: 22, resultY: 13},    //438-"012312"
-		{quadkey: 14628, zoom: 7, resultX: 82, resultY: 100}, //14628-"3210210"
-	}
-	for _, p := range datas {
-		resultX, resultY := convertQuadkeyToHorizontalID(p.quadkey, p.zoom)
-		if resultX != p.resultX && resultY != p.resultY {
-			t.Log(t.Name())
-			t.Errorf("convertQuadkeyToHorizontalID(%d,%d) == %d,%d, resultX: %d,resultY: %d,", p.quadkey, p.zoom, p.resultX, p.resultY, resultX, resultY)
-		}
-
-	}
-}
-func TestConvertVerticallIDToBit(t *testing.T) {
-	datas := []struct {
-		vZoom      int64
-		vIndex     int64
-		outputZoom int64
-		maxHeight  float64
-		minHeight  float64
-		result     []int64
-	}{
-		// 正常系 1111−0000すべて
-		{vZoom: 16, vIndex: 0, outputZoom: 4, maxHeight: 500.0, minHeight: 0.0, result: []int64{15, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14}},
-		// 正常系 bit形式の枠外(正方向)
-		{vZoom: 13, vIndex: 6, outputZoom: 5, maxHeight: 0.0, minHeight: -500.0, result: []int64{31}},
-		// 正常系 bit形式の枠外(負方向)
-		{vZoom: 13, vIndex: -6, outputZoom: 5, maxHeight: 500.0, minHeight: 0.0, result: []int64{0}},
-		{vZoom: 20, vIndex: 0, outputZoom: 8, maxHeight: 500.0, minHeight: -500.0, result: []int64{136, 128, 129, 130, 131, 132, 133, 134, 135}},
-		//{vZoom: 35, vIndex: 0, outputZoom: 35, maxHeight: 1.0, minHeight: 0.0, result: []int64{136, 128, 129, 130, 131, 132, 133, 134, 135}},
-	}
-	for _, p := range datas {
-		result := convertVerticallIDToBit(p.vZoom, p.vIndex, p.outputZoom, p.maxHeight, p.minHeight)
-		if !reflect.DeepEqual(result, p.result) {
-			t.Log(t.Name())
-			t.Errorf("convertVerticallIDToBit(%d,%d, %d,%f,%f) == %d, result: %d", p.vZoom, p.vIndex, p.outputZoom, p.maxHeight, p.minHeight, p.result, result)
-		}
-
-	}
-}
-
-func TestCalcBitIndex(t *testing.T) {
-	datas := []struct {
-		altitude   float64
-		outputZoom int64
-		maxHeight  float64
-		minHeight  float64
-		pattern    int64
-		result     int64
-	}{
-		// 正常(地表)
-		{altitude: 256.0, outputZoom: 10, maxHeight: 500.0, minHeight: 0.0, pattern: 0, result: 524},
-		// 正常(桁数補正)
-		{altitude: 0.0, outputZoom: 10, maxHeight: 256.0, minHeight: -256.0, pattern: 0, result: 512},
-		// 正常(地中)
-		{altitude: -200.0, outputZoom: 10, maxHeight: 0.0, minHeight: -500.0, pattern: 0, result: 614},
-		// 正常 All1
-		{altitude: 2560.0, outputZoom: 10, maxHeight: 500.0, minHeight: 0.0, pattern: 0, result: 1023},
-		// 正常 All0
-		{altitude: -256.0, outputZoom: 10, maxHeight: 500.0, minHeight: 0.0, pattern: 0, result: 0},
-		// 正常 0
-		{altitude: -256.0, outputZoom: 1, maxHeight: 500.0, minHeight: 0.0, pattern: 0, result: 0},
-		// 正常 1
-		{altitude: 512.0, outputZoom: 1, maxHeight: 500.0, minHeight: 0.0, pattern: 0, result: 1},
-	}
-	for _, p := range datas {
-		result := calcBitIndex(p.altitude, p.outputZoom, p.maxHeight, p.minHeight)
-		if result != p.result {
-			t.Log(t.Name())
-			t.Errorf("calcBitIndex(%f, %d,%f,%f) == %d, result: %d", p.altitude, p.outputZoom, p.maxHeight, p.minHeight, p.result, result)
-		}
-	}
-}
-
-func TestConvertBitToVerticalID(t *testing.T) {
-	datas := []struct {
-		vZoom      int64
-		vIndex     int64
-		outputZoom int64
-		maxHeight  float64
-		minHeight  float64
-		pattern    int64
-		result     []string
-	}{
-		// 正常系
-		// 01010101010101010101010101→5592405
-		{vZoom: 26, vIndex: 5592405, outputZoom: 26, maxHeight: 500, minHeight: 0, pattern: 0, result: []string{"26/83", "26/83"}},
-		{vZoom: 2, vIndex: 4, outputZoom: 25, maxHeight: 500, minHeight: 0, pattern: 1, result: []string{"126", "500", "375"}},
-		{vZoom: 26, vIndex: 5592405, outputZoom: 25, maxHeight: 0, minHeight: -500, pattern: 0, result: []string{"25/-459", "25/-459"}},
-		// インデックスの補完
-		{vZoom: 8, vIndex: 85, outputZoom: 26, maxHeight: 1000, minHeight: 0, pattern: 0, result: []string{"26/671", "26/664", "26/665", "26/666", "26/667", "26/668", "26/669", "26/670"}},
-	}
-	for _, p := range datas {
-		result := convertBitToVerticalID(p.vZoom, p.vIndex, p.outputZoom, p.maxHeight, p.minHeight)
-		if p.pattern == 0 {
-			if !reflect.DeepEqual(result, p.result) {
-				t.Log(t.Name())
-				t.Errorf("convertBitToVerticalID(%d,%d, %d,%f,%f) == %s, result: %s", p.vZoom, p.vIndex, p.outputZoom, p.maxHeight, p.minHeight, p.result, result)
-			}
-		} else {
-			// スライスの長さ,桁数
-			length, _ := strconv.Atoi(p.result[0])
-			if len(result) != length {
-				t.Log(t.Name())
-				t.Errorf("convertBitToVerticalID(%d,%d, %d,%f,%f) == %s, result: %s", p.vZoom, p.vIndex, p.outputZoom, p.maxHeight, p.minHeight, p.result[0], result)
-			}
-		}
-	}
-
-}
-
-func TestQuadkeyCheckZoom(t *testing.T) {
-	// テストデータのテーブルを定義
-	datas := []struct {
-		HZoom  int64
-		VZoom  int64
-		result bool
-	}{
-		{HZoom: 1, VZoom: 12, result: true},
-		{HZoom: 2, VZoom: 12, result: true},
-		{HZoom: 31, VZoom: 12, result: true},
-		{HZoom: 12, VZoom: 0, result: true},
-		{HZoom: 12, VZoom: 1, result: true},
-		{HZoom: 12, VZoom: 35, result: true},
-		{HZoom: 0, VZoom: 12, result: false},
-		{HZoom: 32, VZoom: 12, result: false},
-		{HZoom: 12, VZoom: -1, result: false},
-		{HZoom: 12, VZoom: 36, result: false},
-	}
-
-	for _, p := range datas {
-		result := quadkeyCheckZoom(p.HZoom, p.VZoom)
-		if result != p.result {
-			t.Log(t.Name())
-			t.Errorf("quadkeyCheckZoom(%d, %d) == %s, result: %s", p.HZoom, p.VZoom, strconv.FormatBool(p.result), strconv.FormatBool(result))
-		}
-	}
-}
-
-func TestSpatialIDCheckZoom(t *testing.T) {
-	// テストデータのテーブルを定義
-	datas := []struct {
-		HZoom  int64
-		VZoom  int64
-		result bool
-	}{
-		{HZoom: 0, VZoom: 12, result: true},
-		{HZoom: 1, VZoom: 12, result: true},
-		{HZoom: 35, VZoom: 12, result: true},
-		{HZoom: 12, VZoom: 0, result: true},
-		{HZoom: 12, VZoom: 1, result: true},
-		{HZoom: 12, VZoom: 35, result: true},
-		{HZoom: -1, VZoom: 12, result: false},
-		{HZoom: 36, VZoom: 12, result: false},
-		{HZoom: 12, VZoom: -1, result: false},
-		{HZoom: 12, VZoom: 36, result: false},
-	}
-
-	for _, p := range datas {
-		result := extendedSpatialIDCheckZoom(p.HZoom, p.VZoom)
-		if result != p.result {
-			t.Log(t.Name())
-			t.Errorf("extendedSpatialIDCheckZoom(%d, %d) == %s, result: %s", p.HZoom, p.VZoom, strconv.FormatBool(p.result), strconv.FormatBool(result))
-		}
-	}
-
-}
-
-func TestConvertZToAltitudekey_1(t *testing.T) {
-	expected := []int64{400, 401, 402, 403}
-
-	result, error := ConvertZToAltitudekey(
-		100,
-		25,
-		27,
-		25,
-		0,
-	)
-	if error != nil {
-		t.Fatal(error)
-	}
-
-	if !reflect.DeepEqual(result, expected) {
-		t.Fatal(result)
-	}
-}
-
-func TestConvertZToAltitudekey_2(t *testing.T) {
-	expected := []int64{50}
-
-	result, error := ConvertZToAltitudekey(
-		100,
-		25,
-		24,
-		25,
-		0,
-	)
-	if error != nil {
-		t.Fatal(error)
-	}
-
-	if !reflect.DeepEqual(result, expected) {
-		t.Fatal(result)
-	}
-}
-
-func TestConvertZToAltitudekey_3(t *testing.T) {
-	expected := []int64{100}
-
-	result, error := ConvertZToAltitudekey(
-		100,
-		25,
-		25,
-		25,
-		0,
-	)
-	if error != nil {
-		t.Fatal(error)
-	}
-
-	if !reflect.DeepEqual(result, expected) {
-		t.Fatal(result)
-	}
-}
-
-func TestConvertZToAltitudekey_4(t *testing.T) {
-	expected := []int64{53}
-
-	result, error := ConvertZToAltitudekey(
-		100,
-		25,
-		25,
-		25,
-		-47,
-	)
-	if error != nil {
-		t.Fatal(error)
-	}
-
-	if !reflect.DeepEqual(result, expected) {
-		t.Fatal(result)
-	}
-}
-
-func TestConvertZToAltitudekey_5(t *testing.T) {
-	expectedError := errors.NewSpatialIdError(errors.InputValueErrorCode, "output index does not exist with given outputZoom, zBaseExponent, and zBaseOffset")
-
-	result, error := ConvertZToAltitudekey(
-		100,
-		25,
-		21,
-		25,
-		-272,
-	)
-	if error != expectedError {
-		t.Fatal(result, error)
-	}
-}
-
-func TestConvertZToAltitudekey_6(t *testing.T) {
-	expectedError := errors.NewSpatialIdError(errors.InputValueErrorCode, "output index does not exist with given outputZoom, zBaseExponent, and zBaseOffset")
-
-	result, error := ConvertZToAltitudekey(
-		100,
-		25,
-		25,
-		25,
-		-512,
-	)
-	if error != expectedError {
-		t.Fatal(result, error)
-	}
-}
-
-func TestConvertZToAltitudekey_7(t *testing.T) {
-	expected := []int64{1000}
-
-	result, error := ConvertZToAltitudekey(
-		28,
-		25,
-		14,
-		25,
-		2048000,
-	)
-	if error != nil {
-		t.Fatal(error)
-	}
-
-	if !reflect.DeepEqual(result, expected) {
-		t.Fatal(result)
-	}
-}
-
-func TestConvertZToAltitudekey_8(t *testing.T) {
-	expected := []int64{100}
-
-	result, error := ConvertZToAltitudekey(
-		100,
-		25,
-		24,
-		24,
-		0,
-	)
-	if error != nil {
-		t.Fatal(error)
-	}
-
-	if !reflect.DeepEqual(result, expected) {
-		t.Fatal(result)
-	}
-}
-
-func TestConvertZToAltitudekey_9(t *testing.T) {
-	expected := []int64{800, 801, 802, 803, 804, 805, 806, 807}
-
-	result, error := ConvertZToAltitudekey(
-		100,
-		25,
-		27,
-		24,
-		0,
-	)
-	if error != nil {
-		t.Fatal(error)
-	}
-
-	if !reflect.DeepEqual(result, expected) {
-		t.Fatal(result)
-	}
-}
-
-func TestConvertZToMinAltitudekey_1(t *testing.T) {
-	expected := int64(47)
-
-	result, error := convertZToMinAltitudekey(
-		0,
-		25,
-		25,
-		25,
-		47,
-	)
-	if error != nil {
-		t.Fatal(error)
-	}
-
-	if result != expected {
-		t.Fatal(result)
-	}
-}
-
-func TestConvertZToMinAltitudekey_2(t *testing.T) {
-	expected := int64(0)
-
-	result, error := convertZToMinAltitudekey(
-		0,
-		25,
-		25,
-		25,
-		0,
-	)
-	if error != nil {
-		t.Fatal(error)
-	}
-
-	if result != expected {
-		t.Fatal(result)
-	}
-}
-
-func TestConvertZToMinAltitudekey_3(t *testing.T) {
-	expected := int64(0)
-
-	result, error := convertZToMinAltitudekey(
-		0,
-		25,
-		27,
-		25,
-		0,
-	)
-	if error != nil {
-		t.Fatal(error)
-	}
-
-	if result != expected {
-		t.Fatal(result)
-	}
-}
-
-func TestConvertZToMinAltitudekey_4(t *testing.T) {
-	expected := int64(4)
-
-	result, error := convertZToMinAltitudekey(
-		1,
-		25,
-		27,
-		25,
-		0,
-	)
-	if error != nil {
-		t.Fatal(error)
-	}
-
-	if result != expected {
-		t.Fatal(result)
-	}
-}
-
-func TestConvertZToMinAltitudekey_5(t *testing.T) {
-	expected := int64(3276800)
-
-	result, error := convertZToMinAltitudekey(
-		100,
-		10,
-		25,
-		25,
-		0,
-	)
-	if error != nil {
-		t.Fatal(error)
-	}
-
-	if result != expected {
-		t.Fatal(result)
-	}
-}
-
-func TestConvertZToMinAltitudekey_6(t *testing.T) {
-	expectedError := errors.NewSpatialIdError(errors.InputValueErrorCode, "output index does not exist with given outputZoom, zBaseExponent, and zBaseOffset")
-
-	result, error := convertZToMinAltitudekey(
-		100,
-		10,
-		25,
-		25,
-		-3276801,
-	)
-	if error != expectedError {
-		t.Fatal(result, error)
-	}
-}
-
-func TestConvertZToMinAltitudekey_7(t *testing.T) {
-	expected := int64(24)
-
-	result, error := convertZToMinAltitudekey(
-		47,
-		25,
-		24,
-		25,
-		2,
-	)
-	if error != nil {
-		t.Fatal(error)
-	}
-
-	if result != expected {
-		t.Fatal(result)
-	}
-}
-
-func TestConvertZToMinAltitudekey_8(t *testing.T) {
-	expected := int64(2)
-
-	result, error := convertZToMinAltitudekey(
-		47,
-		25,
-		20,
-		25,
-		32,
-	)
-	if error != nil {
-		t.Fatal(error)
-	}
-
-	if result != expected {
-		t.Fatal(result)
-	}
-}
-
-func TestConvertZToMinAltitudekey_9(t *testing.T) {
-	expected := int64(12)
-
-	result, error := convertZToMinAltitudekey(
-		47,
-		25,
-		12,
-		14,
-		4,
-	)
-	if error != nil {
-		t.Fatal(error)
-	}
-
-	if result != expected {
-		t.Fatal(result)
-	}
-}
-
-func TestConvertZToMinAltitudekey_10(t *testing.T) {
-	expectedError := errors.NewSpatialIdError(errors.InputValueErrorCode, "output index does not exist with given outputZoom, zBaseExponent, and zBaseOffset")
-
-	result, error := convertZToMinAltitudekey(
-		-1,
-		25,
-		25,
-		25,
-		0,
-	)
-	if error != expectedError {
-		t.Fatal(result, error)
-	}
-}
-
-func TestConvertZToMinAltitudekey_11(t *testing.T) {
-	expectedError := errors.NewSpatialIdError(errors.InputValueErrorCode, "output index does not exist with given outputZoom, zBaseExponent, and zBaseOffset")
-
-	result, error := convertZToMinAltitudekey(
-		-100,
-		25,
-		26,
-		24,
-		51,
-	)
-	if error != expectedError {
-		t.Fatal(result, error)
-	}
-}
-
-func TestConvertAltitudeKeyToZ(t *testing.T) {
-	type args struct {
-		altitudekey          int64
-		altitudekeyZoomLevel int64
-		outputZoomLevel      int64
-		zBaseExponent        int64
-		zBaseOffset          int64
-	}
-	tests := []struct {
-		name    string
-		args    args
-		minZ    int64
-		maxZ    int64
-		wantErr bool
-	}{
-		{
-			name: "altitudekey must be offset converted",
-			args: args{
-				altitudekey:          0,
-				altitudekeyZoomLevel: 23,
-				outputZoomLevel:      23,
-				zBaseExponent:        23,
-				zBaseOffset:          8,
-			},
-			minZ:    -2,
-			maxZ:    -2,
-			wantErr: false,
-		},
-		{
-			name: "altitudekey must be zoom level converted",
-			args: args{
-				altitudekey:          0,
-				altitudekeyZoomLevel: 23,
-				outputZoomLevel:      22,
-				zBaseExponent:        25,
-				zBaseOffset:          -2,
-			},
-			minZ:    0,
-			maxZ:    0,
-			wantErr: false,
-		},
-		{
-			name: "minZ and maxZ must be different when zBaseOffset is not power of 2",
-			args: args{
-				altitudekey:          0,
-				altitudekeyZoomLevel: 23,
-				outputZoomLevel:      23,
-				zBaseExponent:        25,
-				zBaseOffset:          7,
-			},
-			minZ:    -2,
-			maxZ:    -1,
-			wantErr: false,
-		},
-		{
-			name: "minZ and maxZ must be different when outputZoom or altitudekeyZoomLevel is greater than zBaseExponent",
-			args: args{
-				altitudekey:          3,
-				altitudekeyZoomLevel: 26,
-				outputZoomLevel:      26,
-				zBaseExponent:        25,
-				zBaseOffset:          -2,
-			},
-			minZ:    6,
-			maxZ:    7,
-			wantErr: false,
-		},
-	}
-	for _, tt := range tests {
-		t.Run(tt.name, func(t *testing.T) {
-			gotMinZ, gotMaxZ, err := ConvertAltitudeKeyToZ(tt.args.altitudekey, tt.args.altitudekeyZoomLevel, tt.args.outputZoomLevel, tt.args.zBaseExponent, tt.args.zBaseOffset)
-			if (err != nil) != tt.wantErr {
-				t.Errorf("ConvertAltitudeKeyToZ() error = %v, wantErr %v", err, tt.wantErr)
-				return
-			}
-			if gotMinZ != tt.minZ {
-				t.Errorf("ConvertAltitudeKeyToZ() gotMinZ = %v, minZ %v", gotMinZ, tt.minZ)
-			}
-			if gotMaxZ != tt.maxZ {
-				t.Errorf("ConvertAltitudeKeyToZ() gotMaxZ = %v, maxZ %v", gotMaxZ, tt.maxZ)
-			}
-		})
-	}
-}
+// 空間IDパッケージ
+package transform
+
+import (
+	"reflect"
+	"sort"
+	"strconv"
+	"strings"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+	"github.com/trajectoryjp/spatial_id_go/v4/common/errors"
+	"github.com/trajectoryjp/spatial_id_go/v4/common/object"
+)
+
+func TestConvertQuadkeysAndVerticalIDsToExtendedSpatialIDs(t *testing.T) {
+	// データの作成
+	quadkeyAndVerticalIDList := []*object.QuadkeyAndVerticalID{}
+	newQuadkeyAndVerticalID := object.NewQuadkeyAndVerticalID(6, 2914, 7, 74, 500, 0) // 231202 6/24/53/5/0
+	quadkeyAndVerticalIDList = append(quadkeyAndVerticalIDList, newQuadkeyAndVerticalID)
+	newQuadkeyAndVerticalID = object.NewQuadkeyAndVerticalID(6, 2882, 25, 0, 0, 0) // 231002 "7/48/58/2/0","7/49/58/2/0","7/48/59/2/0","7/49/59/2/0"
+	quadkeyAndVerticalIDList = append(quadkeyAndVerticalIDList, newQuadkeyAndVerticalID)
+
+	quadkeyAndVerticalIDList2 := []*object.QuadkeyAndVerticalID{}
+	newQuadkeyAndVerticalID = object.NewQuadkeyAndVerticalID(9, 451739, 25, 0, 0, 0) // 123210212 "9/338/229/2/0"
+	quadkeyAndVerticalIDList2 = append(quadkeyAndVerticalIDList2, newQuadkeyAndVerticalID)
+
+	quadkeyAndVerticalIDListE := []*object.QuadkeyAndVerticalID{}
+	newQuadkeyAndVerticalIDE := object.NewQuadkeyAndVerticalID(6, 2882, 25, 0, -500, 0) // 231002
+	quadkeyAndVerticalIDListE = append(quadkeyAndVerticalIDListE, newQuadkeyAndVerticalIDE)
+
+	quadkeyAndVerticalIDListE2 := []*object.QuadkeyAndVerticalID{}
+	newQuadkeyAndVerticalIDE = object.NewQuadkeyAndVerticalID(6, 2882, 2, 10, 500, 0) // 231002
+	quadkeyAndVerticalIDListE2 = append(quadkeyAndVerticalIDListE2, newQuadkeyAndVerticalIDE)
+
+	quadkeyAndVerticalIDListE3 := []*object.QuadkeyAndVerticalID{}
+	newQuadkeyAndVerticalIDE = object.NewQuadkeyAndVerticalID(32, 2882, 2, 10, 500, 0) // 231002
+	quadkeyAndVerticalIDListE3 = append(quadkeyAndVerticalIDListE3, newQuadkeyAndVerticalIDE)
+
+	quadkeyAndVerticalIDListE4 := []*object.QuadkeyAndVerticalID{}
+	newQuadkeyAndVerticalIDE = object.NewQuadkeyAndVerticalID(31, 2882, 36, 10, 500, 0) // 231002
+	quadkeyAndVerticalIDListE4 = append(quadkeyAndVerticalIDListE4, newQuadkeyAndVerticalIDE)
+
+	quadkeyAndVerticalIDListE5 := []*object.QuadkeyAndVerticalID{}
+	newQuadkeyAndVerticalIDE = object.NewQuadkeyAndVerticalID(31, 4611686018427388065, 25, 0, 500, 0) // 231002
+	quadkeyAndVerticalIDListE5 = append(quadkeyAndVerticalIDListE5, newQuadkeyAndVerticalIDE)
+
+	datas := []struct {
+		quadkeyAndVerticalIDs []*object.QuadkeyAndVerticalID
+		ToHZoom               int64
+		ToVZoom               int64
+		result                []string
+		pattern               int64
+		e                     error
+	}{
+		{quadkeyAndVerticalIDs: quadkeyAndVerticalIDList, ToHZoom: 6, ToVZoom: 20, pattern: 0, result: []string{"6/24/53/20/9", "6/24/49/20/0"}},
+		{quadkeyAndVerticalIDs: quadkeyAndVerticalIDList, ToHZoom: 7, ToVZoom: 2, pattern: 0, result: []string{"7/48/107/2/0", "7/49/107/2/0", "7/48/98/2/0", "7/49/98/2/0", "7/48/99/2/0", "7/49/99/2/0", "7/48/106/2/0", "7/49/106/2/0"}},
+		{quadkeyAndVerticalIDs: quadkeyAndVerticalIDList, ToHZoom: 5, ToVZoom: 8, pattern: 0, result: []string{"5/12/26/8/0", "5/12/24/8/0"}},
+		{quadkeyAndVerticalIDs: quadkeyAndVerticalIDList2, ToHZoom: 9, ToVZoom: 2, pattern: 0, result: []string{"9/338/229/2/0"}},
+		// 異常系(精度エラー)
+		{quadkeyAndVerticalIDs: quadkeyAndVerticalIDListE, ToHZoom: 0, ToVZoom: 35, pattern: 1, e: errors.NewSpatialIdError(errors.InputValueErrorCode, "")},
+		{quadkeyAndVerticalIDs: quadkeyAndVerticalIDListE, ToHZoom: 5, ToVZoom: 36, pattern: 1, e: errors.NewSpatialIdError(errors.InputValueErrorCode, "")},
+		{quadkeyAndVerticalIDs: quadkeyAndVerticalIDListE2, ToHZoom: 5, ToVZoom: 35, pattern: 1, e: errors.NewSpatialIdError(errors.InputValueErrorCode, "")},
+		{quadkeyAndVerticalIDs: quadkeyAndVerticalIDListE3, ToHZoom: 5, ToVZoom: 35, pattern: 1, e: errors.NewSpatialIdError(errors.InputValueErrorCode, "")},
+		{quadkeyAndVerticalIDs: quadkeyAndVerticalIDListE4, ToHZoom: 5, ToVZoom: 35, pattern: 1, e: errors.NewSpatialIdError(errors.InputValueErrorCode, "")},
+		{quadkeyAndVerticalIDs: quadkeyAndVerticalIDListE5, ToHZoom: 5, ToVZoom: 35, pattern: 1, e: errors.NewSpatialIdError(errors.InputValueErrorCode, "")},
+	}
+
+	for _, p := range datas {
+		result, e := ConvertQuadkeysAndVerticalIDsToExtendedSpatialIDs(p.quadkeyAndVerticalIDs, p.ToHZoom, p.ToVZoom)
+		sort.Strings(result)
+		sort.Strings(p.result)
+		if p.pattern == 0 && !reflect.DeepEqual(result, p.result) {
+			t.Log(t.Name())
+			t.Errorf("ConvertQuadkeysAndVerticalIDsToExtendedSpatialIDs(%+v,%d,%d) == %s, result: %s", p.quadkeyAndVerticalIDs, p.ToHZoom, p.ToVZoom, p.result, result)
+			return
+		}
+		if p.pattern == 1 && e != p.e {
+			t.Log(t.Name())
+			t.Errorf("ConvertQuadkeysAndVerticalIDsToExtendedSpatialIDs(%+v,%d,%d) == %+v, result: %+v", p.quadkeyAndVerticalIDs, p.ToHZoom, p.ToVZoom, e, p.e)
+		}
+	}
+
+}
+
+func TestConvertQuadkeysAndVerticalIDsToSpatialIDs(t *testing.T) {
+	// データの作成
+	quadkeyAndVerticalIDList := []*object.QuadkeyAndVerticalID{}
+	newQuadkeyAndVerticalID := object.NewQuadkeyAndVerticalID(6, 2914, 7, 74, 500, 0) // 231202 6/24/53/5/0
+	quadkeyAndVerticalIDList = append(quadkeyAndVerticalIDList, newQuadkeyAndVerticalID)
+	newQuadkeyAndVerticalID = object.NewQuadkeyAndVerticalID(6, 2882, 25, 0, 0, 0) // 231002 "7/48/58/2/0","7/49/58/2/0","7/48/59/2/0","7/49/59/2/0"
+	quadkeyAndVerticalIDList = append(quadkeyAndVerticalIDList, newQuadkeyAndVerticalID)
+
+	quadkeyAndVerticalIDList2 := []*object.QuadkeyAndVerticalID{}
+	newQuadkeyAndVerticalID = object.NewQuadkeyAndVerticalID(9, 451739, 25, 0, 0, 0) // 123210212 "9/338/229/2/0"
+	quadkeyAndVerticalIDList2 = append(quadkeyAndVerticalIDList2, newQuadkeyAndVerticalID)
+
+	quadkeyAndVerticalIDListE := []*object.QuadkeyAndVerticalID{}
+	newQuadkeyAndVerticalIDE := object.NewQuadkeyAndVerticalID(6, 2882, 25, 0, -500, 0) // 231002
+	quadkeyAndVerticalIDListE = append(quadkeyAndVerticalIDListE, newQuadkeyAndVerticalIDE)
+
+	quadkeyAndVerticalIDListE2 := []*object.QuadkeyAndVerticalID{}
+	newQuadkeyAndVerticalIDE = object.NewQuadkeyAndVerticalID(6, 2882, 2, 10, 500, 0) // 231002
+	quadkeyAndVerticalIDListE2 = append(quadkeyAndVerticalIDListE2, newQuadkeyAndVerticalIDE)
+
+	quadkeyAndVerticalIDListE3 := []*object.QuadkeyAndVerticalID{}
+	newQuadkeyAndVerticalIDE = object.NewQuadkeyAndVerticalID(32, 2882, 2, 10, 500, 0) // 231002
+	quadkeyAndVerticalIDListE3 = append(quadkeyAndVerticalIDListE3, newQuadkeyAndVerticalIDE)
+
+	quadkeyAndVerticalIDListE4 := []*object.QuadkeyAndVerticalID{}
+	newQuadkeyAndVerticalIDE = object.NewQuadkeyAndVerticalID(31, 2882, 36, 10, 500, 0) // 231002
+	quadkeyAndVerticalIDListE4 = append(quadkeyAndVerticalIDListE4, newQuadkeyAndVerticalIDE)
+
+	quadkeyAndVerticalIDListE5 := []*object.QuadkeyAndVerticalID{}
+	newQuadkeyAndVerticalIDE = object.NewQuadkeyAndVerticalID(31, 4611686018427388065, 25, 0, 500, 0) // 231002
+	quadkeyAndVerticalIDListE5 = append(quadkeyAndVerticalIDListE5, newQuadkeyAndVerticalIDE)
+
+	datas := []struct {
+		quadkeyAndVerticalIDs []*object.QuadkeyAndVerticalID
+		ToZoom                int64
+		result                []string
+		pattern               int64
+		e                     error
+	}{
+		{quadkeyAndVerticalIDs: quadkeyAndVerticalIDList, ToZoom: 6, pattern: 0, result: []string{"6/0/24/53", "6/0/24/49"}},
+		{quadkeyAndVerticalIDs: quadkeyAndVerticalIDList, ToZoom: 7, pattern: 0, result: []string{"7/0/48/107", "7/0/49/107", "7/0/48/98", "7/0/49/98", "7/0/48/99", "7/0/49/99", "7/0/48/106", "7/0/49/106"}},
+		{quadkeyAndVerticalIDs: quadkeyAndVerticalIDList, ToZoom: 5, pattern: 0, result: []string{"5/0/12/26", "5/0/12/24"}},
+		{quadkeyAndVerticalIDs: quadkeyAndVerticalIDList2, ToZoom: 9, pattern: 0, result: []string{"9/0/338/229"}},
+		// 異常系(精度エラー)
+		{quadkeyAndVerticalIDs: quadkeyAndVerticalIDListE, ToZoom: 0, pattern: 1, e: errors.NewSpatialIdError(errors.InputValueErrorCode, "")},
+		{quadkeyAndVerticalIDs: quadkeyAndVerticalIDListE, ToZoom: 5, pattern: 1, e: errors.NewSpatialIdError(errors.InputValueErrorCode, "")},
+		{quadkeyAndVerticalIDs: quadkeyAndVerticalIDListE2, ToZoom: 5, pattern: 1, e: errors.NewSpatialIdError(errors.InputValueErrorCode, "")},
+		{quadkeyAndVerticalIDs: quadkeyAndVerticalIDListE3, ToZoom: 5, pattern: 1, e: errors.NewSpatialIdError(errors.InputValueErrorCode, "")},
+		{quadkeyAndVerticalIDs: quadkeyAndVerticalIDListE4, ToZoom: 5, pattern: 1, e: errors.NewSpatialIdError(errors.InputValueErrorCode, "")},
+		{quadkeyAndVerticalIDs: quadkeyAndVerticalIDListE5, ToZoom: 5, pattern: 1, e: errors.NewSpatialIdError(errors.InputValueErrorCode, "")},
+	}
+
+	for _, p := range datas {
+		result, e := ConvertQuadkeysAndVerticalIDsToSpatialIDs(p.quadkeyAndVerticalIDs, p.ToZoom)
+		sort.Strings(result)
+		sort.Strings(p.result)
+		if p.pattern == 0 && !reflect.DeepEqual(result, p.result) {
+			t.Log(t.Name())
+			t.Errorf("ConvertQuadkeysAndVerticalIDsToSpatialIDs(%+v,%d) == %s, result: %s", p.quadkeyAndVerticalIDs, p.ToZoom, p.result, result)
+			return
+		}
+		if p.pattern == 1 && e != p.e {
+			t.Log(t.Name())
+			t.Errorf("ConvertQuadkeysAndVerticalIDsToExtendedSpatialIDs(%+v,%d) == %+v, result: %+v", p.quadkeyAndVerticalIDs, p.ToZoom, e, p.e)
+		}
+	}
+
+}
+
+func TestConvertExtendedSpatialIdsToQuadkeysAndVerticalIDs(t *testing.T) {
+	// 結果確認用の構造体を作成する
+	//"20/85263/65423"→ 00012322332320003333 →7432012031 21:29728048124,29728048125,29728048126,29728048127,
+	//horizontalID: "20/45621/43566", result: 3448507833},         //"00003031203000312321"
+	//horizontalID: "26/4562451/2343566", result: 26508024119725}, //"00012001233201113020012231"
+	//horizontalID: "26/1/2", result: 9},                          //"00000000000000000000000021"
+	//horizontalID: "26/2/1", result: 6},                          //"00000000000000000000000012"
+	//horizontalID: "5/4562451/2343566", result: 429},             //"12231"
+
+	quadkeyAndVerticalIDs := []*object.FromExtendedSpatialIDToQuadkeyAndVerticalID{}
+	newQuadkeyAndVerticalID := object.NewFromExtendedSpatialIDToQuadkeyAndVerticalID(21, [][2]int64{{29728048124, 58}, {29728048124, 57}, {29728048125, 58}, {29728048125, 57}, {29728048126, 58}, {29728048126, 57}, {29728048127, 58}, {29728048127, 57}}, 10, 500, 0)
+	quadkeyAndVerticalIDs = append(quadkeyAndVerticalIDs, newQuadkeyAndVerticalID)
+
+	quadkeyAndVerticalIDsSpatialIDs := []*object.FromExtendedSpatialIDToQuadkeyAndVerticalID{}
+	newQuadkeyAndVerticalID = object.NewFromExtendedSpatialIDToQuadkeyAndVerticalID(19, [][2]int64{{1858003007, 56}}, 26, 0, 0)
+	quadkeyAndVerticalIDsSpatialIDs = append(quadkeyAndVerticalIDsSpatialIDs, newQuadkeyAndVerticalID)
+
+	quadkeyAndVerticalIDsHBorders1 := []*object.FromExtendedSpatialIDToQuadkeyAndVerticalID{}
+	newQuadkeyAndVerticalID = object.NewFromExtendedSpatialIDToQuadkeyAndVerticalID(1, [][2]int64{{0, 56}}, 26, 0, 0)
+	quadkeyAndVerticalIDsHBorders1 = append(quadkeyAndVerticalIDsHBorders1, newQuadkeyAndVerticalID)
+	quadkeyAndVerticalIDsHBorders31 := []*object.FromExtendedSpatialIDToQuadkeyAndVerticalID{}
+	newQuadkeyAndVerticalID = object.NewFromExtendedSpatialIDToQuadkeyAndVerticalID(31, [][2]int64{{29031296, 1}, {29031296, 0}}, 10, 500, 0)
+	quadkeyAndVerticalIDsHBorders31 = append(quadkeyAndVerticalIDsHBorders31, newQuadkeyAndVerticalID)
+
+	// quadkeyAndVerticalIDsValueE := []*object.FromExtendedSpatialIDToQuadkeyAndVerticalID{}
+	// newQuadkeyAndVerticalID = object.NewFromExtendedSpatialIDToQuadkeyAndVerticalID(31, [][2]int64{{29031296, 1}, {29031296, 0}}, 10, 500, 0)
+	// quadkeyAndVerticalIDsValueE = append(quadkeyAndVerticalIDsValueE, newQuadkeyAndVerticalID)
+
+	_, err := strconv.ParseInt("test", 10, 64)
+	datas := []struct {
+		spatialIds   []string
+		ToHZoom      int64
+		ToVZoom      int64
+		maxHeight    float64
+		minHeight    float64
+		result       []*object.FromExtendedSpatialIDToQuadkeyAndVerticalID
+		resultLength int
+		pattern      int64 // 0:正常 1:異常 2:個数(水平) 3:個数(垂直)
+		e            error
+	}{
+		// 正常
+		{spatialIds: []string{"20/85263/65423/26/56"}, ToHZoom: 21, ToVZoom: 10, maxHeight: 500, minHeight: 0.0, result: quadkeyAndVerticalIDs, pattern: 0},
+		{spatialIds: []string{"20/85263/65423/26/56"}, ToHZoom: 19, ToVZoom: 26, maxHeight: 0, minHeight: 0.0, result: quadkeyAndVerticalIDsSpatialIDs, pattern: 0},
+
+		// 水平精度個数確認 低精度は1、高精度は精度差^4
+		{spatialIds: []string{"20/85263/65423/26/56"}, ToHZoom: 24, ToVZoom: 10, maxHeight: 500, minHeight: 0.0, result: quadkeyAndVerticalIDs, resultLength: 512, pattern: 2},
+		{spatialIds: []string{"20/85263/65423/26/56"}, ToHZoom: 2, ToVZoom: 10, maxHeight: 500, minHeight: 0.0, result: quadkeyAndVerticalIDs, resultLength: 2, pattern: 2},
+		// 水平精度境界値
+		{spatialIds: []string{"20/85263/65423/26/0"}, ToHZoom: 1, ToVZoom: 10, maxHeight: 500, minHeight: 0.0, result: quadkeyAndVerticalIDsHBorders1, resultLength: 2, pattern: 2},
+		{spatialIds: []string{"35/85263/65423/26/0"}, ToHZoom: 31, ToVZoom: 10, maxHeight: 500, minHeight: 0.0, result: quadkeyAndVerticalIDsHBorders31, pattern: 0},
+
+		// 垂直精度境界値
+		{spatialIds: []string{"20/85263/65423/26/0"}, ToHZoom: 21, ToVZoom: 0, maxHeight: 500, minHeight: 0.0, result: quadkeyAndVerticalIDs, resultLength: 4, pattern: 3},
+		{spatialIds: []string{"20/85263/65423/26/0"}, ToHZoom: 21, ToVZoom: 1, maxHeight: 500, minHeight: 0.0, result: quadkeyAndVerticalIDs, resultLength: 4, pattern: 3},
+
+		// 異常系(精度エラー)
+		{spatialIds: []string{"20/85263/65423/26/56"}, ToHZoom: 0, ToVZoom: 10, maxHeight: 0, minHeight: 0.0, pattern: 1, e: errors.NewSpatialIdError(errors.InputValueErrorCode, "")},
+		{spatialIds: []string{"20/85263/65423/26/56"}, ToHZoom: 20, ToVZoom: -1, maxHeight: 0, minHeight: 0.0, pattern: 1, e: errors.NewSpatialIdError(errors.InputValueErrorCode, "")},
+		{spatialIds: []string{"35/85263/65423/26/56"}, ToHZoom: 32, ToVZoom: 10, maxHeight: 0, minHeight: 0.0, pattern: 1, e: errors.NewSpatialIdError(errors.InputValueErrorCode, "")},
+		{spatialIds: []string{"20/85263/65423/35/56"}, ToHZoom: 20, ToVZoom: 36, maxHeight: 0, minHeight: 0.0, pattern: 1, e: errors.NewSpatialIdError(errors.InputValueErrorCode, "")},
+		{spatialIds: []string{"36/85263/65423/26/56"}, ToHZoom: 1, ToVZoom: 10, maxHeight: 500.0, minHeight: 0.0, pattern: 1, e: errors.NewSpatialIdError(errors.InputValueErrorCode, "")},
+		{spatialIds: []string{"20/85263/65423/36/56"}, ToHZoom: 1, ToVZoom: 10, maxHeight: 500.0, minHeight: 0.0, pattern: 1, e: errors.NewSpatialIdError(errors.InputValueErrorCode, "")},
+
+		// 異常系(高度エラー)
+		{spatialIds: []string{"20/85263/65423/26/56"}, ToHZoom: 1, ToVZoom: 10, maxHeight: -500.0, minHeight: 0.0, pattern: 1, e: errors.NewSpatialIdError(errors.InputValueErrorCode, "")},
+		// 異常系(入力エラー)
+		{spatialIds: []string{"20/test/65423/26/56"}, ToHZoom: 1, ToVZoom: 10, maxHeight: 500.0, minHeight: 0.0, pattern: 1, e: errors.NewSpatialIdError(errors.InputValueErrorCode, err.Error())},
+	}
+	for _, p := range datas {
+
+		result, e := ConvertExtendedSpatialIDsToQuadkeysAndVerticalIDs(p.spatialIds, p.ToHZoom, p.ToVZoom, p.maxHeight, p.minHeight)
+		if p.pattern == 0 && !reflect.DeepEqual(result, p.result) {
+			t.Log(t.Name())
+			t.Errorf("ConvertExtendedSpatialIDsToQuadkeysAndVerticalIDs(%s,%d,%d,%f,%f) == %+v, result: %+v", p.spatialIds, p.ToHZoom, p.ToVZoom, p.maxHeight, p.minHeight, p.result[0], result[0])
+		}
+		if p.pattern == 1 && e != p.e {
+			t.Log(t.Name())
+			t.Errorf("ConvertExtendedSpatialIDsToQuadkeysAndVerticalIDs(%s,%d,%d,%f,%f) == %+v, result: %+v", p.spatialIds, p.ToHZoom, p.ToVZoom, p.maxHeight, p.minHeight, e, p.e)
+		}
+		if p.pattern == 2 && p.resultLength != len(result[0].InnerIDList()) {
+			t.Log(t.Name())
+			t.Errorf("ConvertExtendedSpatialIDsToQuadkeysAndVerticalIDs(%s,%d,%d,%f,%f) == %+v, result: %+v", p.spatialIds, p.ToHZoom, p.ToVZoom, p.maxHeight, p.minHeight, len(result[0].InnerIDList()), p.resultLength)
+		}
+		if p.pattern == 3 && p.resultLength != len(result[0].InnerIDList()) {
+			t.Log(t.Name())
+			t.Errorf("ConvertExtendedSpatialIDsToQuadkeysAndVerticalIDs(%s,%d,%d,%f,%f) == %+v, result: %+v", p.spatialIds, p.ToHZoom, p.ToVZoom, p.maxHeight, p.minHeight, len(result[0].InnerIDList()), p.resultLength)
+		}
+
+	}
+}
+
+func TestConvertExtendedSpatialIDsToQuadkeysAndAltitudekeys_1(t *testing.T) {
+	expected := []*object.FromExtendedSpatialIDToQuadkeyAndAltitudekey{
+		object.NewFromExtendedSpatialIDToQuadkeyAndAltitudekey(
+			20,
+			[][2]int64{{7432012031, 56}},
+			26,
+			25,
+			0,
+		),
+	}
+
+	result, error := ConvertExtendedSpatialIDsToQuadkeysAndAltitudekeys(
+		[]string{"20/85263/65423/26/56"},
+		20,
+		26,
+		25,
+		0,
+	)
+	if error != nil {
+		t.Fatal(error)
+	}
+
+	if !reflect.DeepEqual(result, expected) {
+		t.Fatal(result)
+	}
+}
+
+func TestConvertExtendedSpatialIDsToQuadkeysAndAltitudekeys_2(t *testing.T) {
+	expected := []*object.FromExtendedSpatialIDToQuadkeyAndAltitudekey{
+		object.NewFromExtendedSpatialIDToQuadkeyAndAltitudekey(
+			21,
+			[][2]int64{{29728048124, 56}, {29728048125, 56}, {29728048126, 56}, {29728048127, 56}},
+			26,
+			25,
+			0,
+		),
+	}
+
+	result, error := ConvertExtendedSpatialIDsToQuadkeysAndAltitudekeys(
+		[]string{"20/85263/65423/26/56"},
+		21,
+		26,
+		25,
+		0,
+	)
+	if error != nil {
+		t.Fatal(error)
+	}
+
+	if !reflect.DeepEqual(result, expected) {
+		t.Fatal(result)
+	}
+}
+
+func TestConvertExtendedSpatialIDsToQuadkeysAndAltitudekeys_3(t *testing.T) {
+	expected := []*object.FromExtendedSpatialIDToQuadkeyAndAltitudekey{
+		object.NewFromExtendedSpatialIDToQuadkeyAndAltitudekey(
+			20,
+			[][2]int64{{7432012031, 7}},
+			12,
+			14, // 2^14
+			0,
+		),
+	}
+
+	result, error := ConvertExtendedSpatialIDsToQuadkeysAndAltitudekeys(
+		[]string{"20/85263/65423/26/56"},
+		20,
+		12,
+		14,
+		0,
+	)
+	if error != nil {
+		t.Fatal(error)
+	}
+
+	if !reflect.DeepEqual(result, expected) {
+		t.Fatal(result)
+	}
+}
+
+func TestConvertExtendedSpatialIDsToQuadkeysAndAltitudekeys_4(t *testing.T) {
+	expected := []*object.FromExtendedSpatialIDToQuadkeyAndAltitudekey{
+		object.NewFromExtendedSpatialIDToQuadkeyAndAltitudekey(
+			20,
+			[][2]int64{{7432012031, 54}},
+			12,
+			14,
+			188,
+		),
+	}
+
+	result, error := ConvertExtendedSpatialIDsToQuadkeysAndAltitudekeys(
+		[]string{"20/85263/65423/26/56"},
+		20,
+		12,
+		14,
+		188,
+	)
+	if error != nil {
+		t.Fatal(error)
+	}
+
+	if !reflect.DeepEqual(result, expected) {
+		t.Fatal(result)
+	}
+}
+
+func TestConvertExtendedSpatialIDsToQuadkeysAndAltitudekeys_5(t *testing.T) {
+	expected := []*object.FromExtendedSpatialIDToQuadkeyAndAltitudekey{
+		object.NewFromExtendedSpatialIDToQuadkeyAndAltitudekey(
+			21,
+			[][2]int64{{29728048124, 12}, {29728048124, 13}, {29728048125, 12}, {29728048125, 13}, {29728048126, 12}, {29728048126, 13}, {29728048127, 12}, {29728048127, 13}},
+			15,
+			14,
+			-50,
+		),
+	}
+
+	result, error := ConvertExtendedSpatialIDsToQuadkeysAndAltitudekeys(
+		[]string{"20/85263/65423/25/56"},
+		21,
+		15,
+		14,
+		-50,
+	)
+	if error != nil {
+		t.Fatal(error)
+	}
+
+	if !reflect.DeepEqual(result, expected) {
+		t.Fatal(result)
+	}
+}
+
+func newTileXYZ(t *testing.T, hZoom uint16, x int64, y int64, vZoom uint16, z int64) *object.TileXYZ {
+	t.Helper()
+	xyz, err := object.NewTileXYZ(hZoom, x, y, vZoom, z)
+	if err != nil {
+		t.Fatal(err)
+	}
+	return xyz
+}
+
+func newExtendedSpatialID(t *testing.T, id string) *object.ExtendedSpatialID {
+	t.Helper()
+	extendedSpatialId, err := object.NewExtendedSpatialID(id)
+	if err != nil {
+		t.Fatal(err)
+	}
+	return extendedSpatialId
+}
+
+func TestConvertTileXYZToSpatialIDs(t *testing.T) {
+	type argSet struct {
+		tile          []*object.TileXYZ
+		zBaseExponent uint16
+		zBaseOffset   int64
+		outputVZoom   uint16
+	}
+	testCases := []struct {
+		expected []string
+		request  argSet
+	}{
+		{
+			// hZoom/z/x/y
+			[]string{"23/-2/85263/65423"},
+			argSet{
+				[]*object.TileXYZ{newTileXYZ(
+					t,
+					23,
+					85263,
+					65423,
+					23,
+					0,
+				)},
+				23,
+				8,
+				23,
+			},
+		},
+		{
+			[]string{"25/1/170526/130846", "25/1/170526/130847", "25/1/170527/130846", "25/1/170527/130847"},
+			argSet{
+				[]*object.TileXYZ{newTileXYZ(
+					t,
+					24,
+					85263,
+					65423,
+					25,
+					3,
+				)},
+				25,
+				2,
+				25,
+			},
+		},
+		{
+			[]string{"4/0/63/23", "4/1/63/23"},
+			argSet{
+				[]*object.TileXYZ{newTileXYZ(
+					t,
+					4,
+					63,
+					23,
+					3,
+					3,
+				)},
+				3,
+				2,
+				3,
+			},
+		},
+		{
+			[]string{"23/-2/85263/65423", "23/-1/85263/65423"},
+			argSet{
+				[]*object.TileXYZ{newTileXYZ(
+					t,
+					23,
+					85263,
+					65423,
+					23,
+					0,
+				)},
+				25,
+				7,
+				23,
+			},
+		},
+		{
+			[]string{"26/6/85263/65423", "26/7/85263/65423"},
+			argSet{
+				[]*object.TileXYZ{newTileXYZ(
+					t,
+					26,
+					85263,
+					65423,
+					26,
+					3,
+				)},
+				25,
+				-2,
+				26,
+			},
+		},
+		{
+			[]string{
+				"23/0/170526/130846",
+				"23/1/170526/130846",
+				"23/2/170526/130846",
+				"23/0/170526/130847",
+				"23/1/170526/130847",
+				"23/2/170526/130847",
+				"23/0/170527/130846",
+				"23/1/170527/130846",
+				"23/2/170527/130846",
+				"23/0/170527/130847",
+				"23/1/170527/130847",
+				"23/2/170527/130847",
+			},
+			argSet{
+				[]*object.TileXYZ{
+					newTileXYZ(
+						t,
+						22,
+						85263,
+						65423,
+						23,
+						0,
+					),
+					newTileXYZ(
+						t,
+						22,
+						85263,
+						65423,
+						23,
+						1,
+					)},
+				25,
+				-1,
+				23,
+			},
+		},
+	}
+	for _, testCase := range testCases {
+		result, err := ConvertTileXYZToSpatialIDs(testCase.request.tile, testCase.request.zBaseExponent, testCase.request.zBaseOffset, testCase.request.outputVZoom)
+		if err != nil {
+			t.Fatal(err)
+		}
+		if assert.ElementsMatch(t, testCase.expected, result) == false {
+			// t.Error(result):
+			t.Errorf("expected: %v result: %v", testCase.expected, result)
+		} else {
+			t.Log("Success", result)
+		}
+	}
+
+}
+
+func TestConvertTileXYZToExtendedSpatialIDs(t *testing.T) {
+	type argSet struct {
+		tile          []*object.TileXYZ
+		zBaseExponent uint16
+		zBaseOffset   int64
+		outputVZoom   uint16
+	}
+	testCases := []struct {
+		expected []string
+		request  argSet
+	}{
+		{
+			// hZoom/x/y/vZoom/z
+			[]string{"20/85263/65423/23/-2"},
+			argSet{
+				[]*object.TileXYZ{newTileXYZ(
+					t,
+					20,
+					85263,
+					65423,
+					23,
+					0,
+				)},
+				23,
+				8,
+				23,
+			},
+		},
+		{
+			[]string{"20/85263/65423/25/1"},
+			argSet{
+				[]*object.TileXYZ{newTileXYZ(
+					t,
+					20,
+					85263,
+					65423,
+					25,
+					3,
+				)},
+				25,
+				2,
+				25,
+			},
+		},
+		{
+			[]string{"20/85263/65423/3/0"},
+			argSet{
+				[]*object.TileXYZ{newTileXYZ(
+					t,
+					20,
+					85263,
+					65423,
+					3,
+					3,
+				)},
+				3,
+				2,
+				3,
+			},
+		},
+		{
+			[]string{"20/85263/65423/23/-2"},
+			argSet{
+				[]*object.TileXYZ{newTileXYZ(
+					t,
+					20,
+					85263,
+					65423,
+					23,
+					0,
+				)},
+				25,
+				8,
+				23,
+			},
+		},
+		{
+			[]string{"20/85263/65423/23/-2", "20/85263/65423/23/-1"},
+			argSet{
+				[]*object.TileXYZ{newTileXYZ(
+					t,
+					20,
+					85263,
+					65423,
+					23,
+					0,
+				)},
+				25,
+				7,
+				23,
+			},
+		},
+		{
+			[]string{"20/85263/65423/26/6", "20/85263/65423/26/7"},
+			argSet{
+				[]*object.TileXYZ{newTileXYZ(
+					t,
+					20,
+					85263,
+					65423,
+					26,
+					3,
+				)},
+				25,
+				-2,
+				26,
+			},
+		},
+		{
+			[]string{"20/85263/65423/23/0", "20/85263/65423/23/1", "20/85263/65423/23/2"},
+			argSet{
+				[]*object.TileXYZ{
+					newTileXYZ(
+						t,
+						20,
+						85263,
+						65423,
+						23,
+						0,
+					),
+					newTileXYZ(
+						t,
+						20,
+						85263,
+						65423,
+						23,
+						1,
+					)},
+				25,
+				-1,
+				23,
+			},
+		},
+	}
+	for _, testCase := range testCases {
+		expectedData := []object.ExtendedSpatialID{}
+		for i := 0; i < len(testCase.expected); i++ {
+			extendedSpatialId := newExtendedSpatialID(t, testCase.expected[i])
+			expectedData = append(expectedData, *extendedSpatialId)
+		}
+		result, err := ConvertTileXYZToExtendedSpatialIDs(testCase.request.tile, testCase.request.zBaseExponent, testCase.request.zBaseOffset, testCase.request.outputVZoom)
+		if err != nil {
+			t.Fatal(err)
+		}
+		if assert.ElementsMatch(t, expectedData, result) == false {
+			// t.Error(result):
+			t.Errorf("expected: %v result: %v", expectedData, result)
+		} else {
+			t.Log("Success", result)
+		}
+	}
+
+}
+
+func TestErrorConvertTileXYZToExtendedSpatialIDs(t *testing.T) {
+	type argSet struct {
+		tile          []*object.TileXYZ
+		zBaseExponent uint16
+		zBaseOffset   int64
+		outputVZoom   uint16
+	}
+	testCases := []struct {
+		expected string
+		request  argSet
+	}{
+		{
+			"input index does not exist",
+			argSet{
+				[]*object.TileXYZ{newTileXYZ(
+					t,
+					20,
+					85263,
+					65423,
+					25,
+					(1<<zOriginValue)+1,
+				)},
+				25,
+				8,
+				25,
+			},
+		},
+		{
+			"output index does not exist",
+			argSet{
+				[]*object.TileXYZ{newTileXYZ(
+					t,
+					20,
+					85263,
+					65423,
+					25,
+					(1<<zOriginValue)-1,
+				)},
+				25,
+				-1,
+				25,
+			},
+		},
+		{
+			"extendSpatialID zoom level must be in 0-35",
+			argSet{
+				[]*object.TileXYZ{newTileXYZ(
+					t,
+					20,
+					85263,
+					65423,
+					23,
+					0,
+				)},
+				23,
+				8,
+				230,
+			},
+		},
+	}
+	for _, testCase := range testCases {
+		_, err := ConvertTileXYZToExtendedSpatialIDs(testCase.request.tile, testCase.request.zBaseExponent, testCase.request.zBaseOffset, testCase.request.outputVZoom)
+		if err == nil {
+			t.Fatal(err)
+		}
+		if strings.Contains(err.Error(), testCase.expected) == false {
+			t.Errorf("expected: %v result: %v", testCase.expected, err)
+		} else {
+			t.Log("Success", err)
+		}
+	}
+}
+
+func TestConvertExtendedSpatialIDsToSpatialIDs(t *testing.T) {
+	testCases := []struct {
+		expected []string
+		id       *object.ExtendedSpatialID
+	}{
+		{
+			// 水平精度の方が低い場合
+			[]string{"7/0/48/106", "7/0/48/107", "7/0/49/106", "7/0/49/107"},
+			newExtendedSpatialID(t, "6/24/53/7/0"),
+		},
+		{
+			// 水平精度の方が低い場合
+			[]string{"7/0/48/98", "7/0/48/99", "7/0/49/98", "7/0/49/99"},
+			newExtendedSpatialID(t, "6/24/49/7/0"),
+		},
+		{
+			// 垂直精度の方が低い場合
+			[]string{"7/48/24/53", "7/49/24/53"},
+			newExtendedSpatialID(t, "7/24/53/6/24"),
+		},
+		{
+			// 水平精度、垂直精度に差がない場合
+			[]string{"6/0/24/49"},
+			newExtendedSpatialID(t, "6/24/49/6/0"),
+		},
+	}
+	for _, testCase := range testCases {
+		result := ConvertExtendedSpatialIDToSpatialIDs(testCase.id)
+		if !assert.ElementsMatch(t, testCase.expected, result) {
+			t.Errorf("expected: %v result: %v", testCase.expected, result)
+		}
+	}
+}
+
+func TestConvertExtendedSpatialIDsToQuadkeysAndAltitudekeys_Example1(t *testing.T) {
+	expected := []*object.FromExtendedSpatialIDToQuadkeyAndAltitudekey{
+		object.NewFromExtendedSpatialIDToQuadkeyAndAltitudekey(
+			20,
+			[][2]int64{{7432012031, 3}},
+			3,
+			3,
+			2,
+		),
+	}
+
+	result, error := ConvertExtendedSpatialIDsToQuadkeysAndAltitudekeys(
+		[]string{"20/85263/65423/25/1"},
+		20,
+		3,
+		3,
+		2,
+	)
+	if error != nil {
+		t.Fatal(error)
+	}
+
+	if !reflect.DeepEqual(result, expected) {
+		t.Fatal(result)
+	}
+}
+
+func TestConvertExtendedSpatialIDsToQuadkeysAndAltitudekeys_Example2(t *testing.T) {
+	expected := []*object.FromExtendedSpatialIDToQuadkeyAndAltitudekey{
+		object.NewFromExtendedSpatialIDToQuadkeyAndAltitudekey(
+			20,
+			[][2]int64{{7432012031, 2}},
+			2,
+			3,
+			2,
+		),
+	}
+
+	result, error := ConvertExtendedSpatialIDsToQuadkeysAndAltitudekeys(
+		[]string{"20/85263/65423/25/3"},
+		20,
+		2,
+		3,
+		2,
+	)
+	if error != nil {
+		t.Fatal(error)
+	}
+
+	if !reflect.DeepEqual(result, expected) {
+		t.Fatal(result)
+	}
+}
+
+func TestConvertExtendedSpatialIDsToQuadkeysAndAltitudekeys_Example3(t *testing.T) {
+	expected := []*object.FromExtendedSpatialIDToQuadkeyAndAltitudekey{
+		object.NewFromExtendedSpatialIDToQuadkeyAndAltitudekey(
+			20,
+			[][2]int64{{7432012031, 2}, {7432012031, 3}},
+			3,
+			3,
+			2,
+		),
+	}
+
+	result, error := ConvertExtendedSpatialIDsToQuadkeysAndAltitudekeys(
+		[]string{"20/85263/65423/24/0"},
+		20,
+		3,
+		3,
+		2,
+	)
+	if error != nil {
+		t.Fatal(error)
+	}
+
+	if !reflect.DeepEqual(result, expected) {
+		t.Fatal(result)
+	}
+}
+
+func TestConvertExtendedSpatialIDsToQuadkeysAndAltitudekeys_Example4(t *testing.T) {
+	expected := []*object.FromExtendedSpatialIDToQuadkeyAndAltitudekey{
+		object.NewFromExtendedSpatialIDToQuadkeyAndAltitudekey(
+			20,
+			[][2]int64{{7432012031, 0}, {7432012031, 1}, {7432012031, 2}, {7432012031, 3}},
+			25,
+			23,
+			-1,
+		),
+	}
+
+	result, error := ConvertExtendedSpatialIDsToQuadkeysAndAltitudekeys(
+		[]string{"20/85263/65423/25/1"},
+		20,
+		25,
+		23,
+		-1,
+	)
+	if error != nil {
+		t.Fatal(error)
+	}
+
+	if !reflect.DeepEqual(result, expected) {
+		t.Fatal(result)
+	}
+}
+
+func TestConvertExtendedSpatialIDsToQuadkeysAndAltitudekeys_Example5(t *testing.T) {
+	expected := []*object.FromExtendedSpatialIDToQuadkeyAndAltitudekey{
+		object.NewFromExtendedSpatialIDToQuadkeyAndAltitudekey(
+			20,
+			[][2]int64{{7432012031, 0}},
+			23,
+			25,
+			-1,
+		),
+	}
+
+	result, error := ConvertExtendedSpatialIDsToQuadkeysAndAltitudekeys(
+		[]string{"20/85263/65423/25/1"},
+		20,
+		23,
+		25,
+		-1,
+	)
+	if error != nil {
+		t.Fatal(error)
+	}
+
+	if !reflect.DeepEqual(result, expected) {
+		t.Fatal(result)
+	}
+}
+
+func TestConvertExtendedSpatialIDsToQuadkeysAndAltitudekeys_Example6(t *testing.T) {
+	expected := []*object.FromExtendedSpatialIDToQuadkeyAndAltitudekey{
+		object.NewFromExtendedSpatialIDToQuadkeyAndAltitudekey( // 例6
+			20,
+			[][2]int64{{7432012031, 0}},
+			23,
+			25,
+			-1,
+		),
+	}
+
+	result, error := ConvertExtendedSpatialIDsToQuadkeysAndAltitudekeys(
+		[]string{"20/85263/65423/25/4"},
+		20,
+		23,
+		25,
+		-1,
+	)
+	if error != nil {
+		t.Fatal(error)
+	}
+
+	if !reflect.DeepEqual(result, expected) {
+		t.Fatal(result)
+	}
+}
+
+func TestConvertSpatialIdsToQuadkeysAndVerticalIDs(t *testing.T) {
+	quadkeyAndVerticalIDs := []*object.FromExtendedSpatialIDToQuadkeyAndVerticalID{}
+	newQuadkeyAndVerticalID := object.NewFromExtendedSpatialIDToQuadkeyAndVerticalID(21, [][2]int64{{29728048124, 1023}, {29728048125, 1023}, {29728048126, 1023}, {29728048127, 1023}}, 10, 500, 0)
+	quadkeyAndVerticalIDs = append(quadkeyAndVerticalIDs, newQuadkeyAndVerticalID)
+
+	quadkeyAndVerticalIDsUpup := []*object.FromExtendedSpatialIDToQuadkeyAndVerticalID{}
+	newQuadkeyAndVerticalID = object.NewFromExtendedSpatialIDToQuadkeyAndVerticalID(21, [][2]int64{{29728048124, 2047}, {29728048125, 2047}, {29728048126, 2047}, {29728048127, 2047}}, 11, 500, 0)
+	quadkeyAndVerticalIDsUpup = append(quadkeyAndVerticalIDsUpup, newQuadkeyAndVerticalID)
+
+	quadkeyAndVerticalIDsDwdw := []*object.FromExtendedSpatialIDToQuadkeyAndVerticalID{}
+	newQuadkeyAndVerticalID = object.NewFromExtendedSpatialIDToQuadkeyAndVerticalID(19, [][2]int64{{1858003007, 511}}, 9, 500, 0)
+	quadkeyAndVerticalIDsDwdw = append(quadkeyAndVerticalIDsDwdw, newQuadkeyAndVerticalID)
+
+	quadkeyAndVerticalIDsDwup := []*object.FromExtendedSpatialIDToQuadkeyAndVerticalID{}
+	newQuadkeyAndVerticalID = object.NewFromExtendedSpatialIDToQuadkeyAndVerticalID(19, [][2]int64{{1858003007, 2047}}, 11, 500, 0)
+	quadkeyAndVerticalIDsDwup = append(quadkeyAndVerticalIDsDwup, newQuadkeyAndVerticalID)
+
+	quadkeyAndVerticalIDsSpatialIDs := []*object.FromExtendedSpatialIDToQuadkeyAndVerticalID{}
+	newQuadkeyAndVerticalID = object.NewFromExtendedSpatialIDToQuadkeyAndVerticalID(21, [][2]int64{{29728048124, 112}, {29728048124, 113}, {29728048125, 112}, {29728048125, 113}, {29728048126, 112}, {29728048126, 113}, {29728048127, 112}, {29728048127, 113}}, 21, 0, 0)
+	quadkeyAndVerticalIDsSpatialIDs = append(quadkeyAndVerticalIDsSpatialIDs, newQuadkeyAndVerticalID)
+	quadkeyAndVerticalIDsSpatialIDsUpdw := []*object.FromExtendedSpatialIDToQuadkeyAndVerticalID{}
+	newQuadkeyAndVerticalID = object.NewFromExtendedSpatialIDToQuadkeyAndVerticalID(21, [][2]int64{{29728048124, 28}, {29728048125, 28}, {29728048126, 28}, {29728048127, 28}}, 19, 0, 0)
+	quadkeyAndVerticalIDsSpatialIDsUpdw = append(quadkeyAndVerticalIDsSpatialIDsUpdw, newQuadkeyAndVerticalID)
+	quadkeyAndVerticalIDsSpatialIDsDwup := []*object.FromExtendedSpatialIDToQuadkeyAndVerticalID{}
+	newQuadkeyAndVerticalID = object.NewFromExtendedSpatialIDToQuadkeyAndVerticalID(19, [][2]int64{{1858003007, 112}, {1858003007, 113}}, 21, 0, 0)
+	quadkeyAndVerticalIDsSpatialIDsDwup = append(quadkeyAndVerticalIDsSpatialIDsDwup, newQuadkeyAndVerticalID)
+	quadkeyAndVerticalIDsSpatialIDsDwdw := []*object.FromExtendedSpatialIDToQuadkeyAndVerticalID{}
+	newQuadkeyAndVerticalID = object.NewFromExtendedSpatialIDToQuadkeyAndVerticalID(19, [][2]int64{{1858003007, 28}}, 19, 0, 0)
+	quadkeyAndVerticalIDsSpatialIDsDwdw = append(quadkeyAndVerticalIDsSpatialIDsDwdw, newQuadkeyAndVerticalID)
+
+	quadkeyAndVerticalIDsHBorders1 := []*object.FromExtendedSpatialIDToQuadkeyAndVerticalID{}
+	newQuadkeyAndVerticalID = object.NewFromExtendedSpatialIDToQuadkeyAndVerticalID(1, [][2]int64{{0, 56}}, 26, 0, 0)
+	quadkeyAndVerticalIDsHBorders1 = append(quadkeyAndVerticalIDsHBorders1, newQuadkeyAndVerticalID)
+	quadkeyAndVerticalIDsHBorders31 := []*object.FromExtendedSpatialIDToQuadkeyAndVerticalID{}
+	newQuadkeyAndVerticalID = object.NewFromExtendedSpatialIDToQuadkeyAndVerticalID(31, [][2]int64{{29031296, 0}}, 10, 500, 0)
+	quadkeyAndVerticalIDsHBorders31 = append(quadkeyAndVerticalIDsHBorders31, newQuadkeyAndVerticalID)
+
+	// quadkeyAndVerticalIDsValueE := []*object.FromExtendedSpatialIDToQuadkeyAndVerticalID{}
+	// newQuadkeyAndVerticalID = object.NewFromExtendedSpatialIDToQuadkeyAndVerticalID(31, [][2]int64{{29031296, 1}, {29031296, 0}}, 10, 500, 0)
+	// quadkeyAndVerticalIDsValueE = append(quadkeyAndVerticalIDsValueE, newQuadkeyAndVerticalID)
+
+	_, err := strconv.ParseInt("test", 10, 64)
+	datas := []struct {
+		spatialIds   []string
+		ToHZoom      int64
+		ToVZoom      int64
+		maxHeight    float64
+		minHeight    float64
+		result       []*object.FromExtendedSpatialIDToQuadkeyAndVerticalID
+		resultLength int
+		pattern      int64 // 0:正常 1:異常 2:個数(水平) 3:個数(垂直)
+		e            error
+	}{
+		// 正常
+		{spatialIds: []string{"20/56/85263/65423"}, ToHZoom: 21, ToVZoom: 10, maxHeight: 500, minHeight: 0.0, result: quadkeyAndVerticalIDs, pattern: 0},     //all1
+		{spatialIds: []string{"20/56/85263/65423"}, ToHZoom: 21, ToVZoom: 11, maxHeight: 500, minHeight: 0.0, result: quadkeyAndVerticalIDsUpup, pattern: 0}, //all1
+		{spatialIds: []string{"20/56/85263/65423"}, ToHZoom: 19, ToVZoom: 9, maxHeight: 500, minHeight: 0.0, result: quadkeyAndVerticalIDsDwdw, pattern: 0},  //all1
+		{spatialIds: []string{"20/56/85263/65423"}, ToHZoom: 19, ToVZoom: 11, maxHeight: 500, minHeight: 0.0, result: quadkeyAndVerticalIDsDwup, pattern: 0}, //all1
+
+		{spatialIds: []string{"20/56/85263/65423"}, ToHZoom: 21, ToVZoom: 21, maxHeight: 0, minHeight: 0.0, result: quadkeyAndVerticalIDsSpatialIDs, pattern: 0},
+		{spatialIds: []string{"20/56/85263/65423"}, ToHZoom: 21, ToVZoom: 19, maxHeight: 0, minHeight: 0.0, result: quadkeyAndVerticalIDsSpatialIDsUpdw, pattern: 0},
+		{spatialIds: []string{"20/56/85263/65423"}, ToHZoom: 19, ToVZoom: 21, maxHeight: 0, minHeight: 0.0, result: quadkeyAndVerticalIDsSpatialIDsDwup, pattern: 0},
+		{spatialIds: []string{"20/56/85263/65423"}, ToHZoom: 19, ToVZoom: 19, maxHeight: 0, minHeight: 0.0, result: quadkeyAndVerticalIDsSpatialIDsDwdw, pattern: 0},
+
+		// 水平精度個数確認 低精度は1、高精度は精度差^4
+		{spatialIds: []string{"20/56/85263/65423"}, ToHZoom: 24, ToVZoom: 10, maxHeight: 500, minHeight: 0.0, result: quadkeyAndVerticalIDs, resultLength: 256, pattern: 2},
+		{spatialIds: []string{"20/56/85263/65423"}, ToHZoom: 2, ToVZoom: 10, maxHeight: 500, minHeight: 0.0, result: quadkeyAndVerticalIDs, resultLength: 1, pattern: 2},
+		// 水平精度境界値
+		{spatialIds: []string{"20/0/85263/65423"}, ToHZoom: 1, ToVZoom: 10, maxHeight: 500, minHeight: 0.0, result: quadkeyAndVerticalIDsHBorders1, resultLength: 66, pattern: 2},
+		{spatialIds: []string{"35/0/85263/65423"}, ToHZoom: 31, ToVZoom: 10, maxHeight: 500, minHeight: 0.0, result: quadkeyAndVerticalIDsHBorders31, pattern: 0},
+
+		// 垂直精度境界値
+		{spatialIds: []string{"20/0/85263/65423"}, ToHZoom: 21, ToVZoom: 0, maxHeight: 500, minHeight: 0.0, result: quadkeyAndVerticalIDs, resultLength: 4, pattern: 3},
+		{spatialIds: []string{"20/0/85263/65423"}, ToHZoom: 21, ToVZoom: 1, maxHeight: 500, minHeight: 0.0, result: quadkeyAndVerticalIDs, resultLength: 4, pattern: 3},
+
+		// 異常系(精度エラー)
+		{spatialIds: []string{"20/56/85263/65423"}, ToHZoom: 0, ToVZoom: 10, maxHeight: 0, minHeight: 0.0, pattern: 1, e: errors.NewSpatialIdError(errors.InputValueErrorCode, "")},
+		{spatialIds: []string{"20/56/85263/65423"}, ToHZoom: 20, ToVZoom: -1, maxHeight: 0, minHeight: 0.0, pattern: 1, e: errors.NewSpatialIdError(errors.InputValueErrorCode, "")},
+		{spatialIds: []string{"35/56/85263/65423"}, ToHZoom: 32, ToVZoom: 10, maxHeight: 0, minHeight: 0.0, pattern: 1, e: errors.NewSpatialIdError(errors.InputValueErrorCode, "")},
+		{spatialIds: []string{"20/56/85263/65423"}, ToHZoom: 20, ToVZoom: 36, maxHeight: 0, minHeight: 0.0, pattern: 1, e: errors.NewSpatialIdError(errors.InputValueErrorCode, "")},
+		{spatialIds: []string{"36/56/85263/65423"}, ToHZoom: 1, ToVZoom: 10, maxHeight: 500.0, minHeight: 0.0, pattern: 1, e: errors.NewSpatialIdError(errors.InputValueErrorCode, "")},
+
+		// 異常系(高度エラー)
+		{spatialIds: []string{"20/56/85263/65423"}, ToHZoom: 1, ToVZoom: 10, maxHeight: -500.0, minHeight: 0.0, pattern: 1, e: errors.NewSpatialIdError(errors.InputValueErrorCode, "")},
+		// 異常系(入力エラー)
+		{spatialIds: []string{"20/56/test/65423"}, ToHZoom: 1, ToVZoom: 10, maxHeight: 500.0, minHeight: 0.0, pattern: 1, e: errors.NewSpatialIdError(errors.InputValueErrorCode, err.Error())},
+	}
+	for _, p := range datas {
+		result, e := ConvertSpatialIDsToQuadkeysAndVerticalIDs(p.spatialIds, p.ToHZoom, p.ToVZoom, p.maxHeight, p.minHeight)
+		if p.pattern == 0 && !SortCheck(result, p.result) {
+			t.Log(t.Name())
+			t.Errorf("ConvertSpatialIDsToQuadkeysAndVerticalIDs(%s,%d,%d,%f,%f) == %+v, result: %+v", p.spatialIds, p.ToHZoom, p.ToVZoom, p.maxHeight, p.minHeight, p.result[0], result[0])
+		}
+		if p.pattern == 1 && e != p.e {
+			t.Log(t.Name())
+			t.Errorf("ConvertSpatialIDsToQuadkeysAndVerticalIDs(%s,%d,%d,%f,%f) == %+v, result: %+v", p.spatialIds, p.ToHZoom, p.ToVZoom, p.maxHeight, p.minHeight, e, p.e)
+		}
+
+		if p.pattern == 2 && p.resultLength != len(result[0].InnerIDList()) {
+			t.Log(t.Name())
+			t.Errorf("ConvertSpatialIDsToQuadkeysAndVerticalIDs(%s,%d,%d,%f,%f) == %+v, result: %+v", p.spatialIds, p.ToHZoom, p.ToVZoom, p.maxHeight, p.minHeight, len(result[0].InnerIDList()), p.resultLength)
+		}
+		if p.pattern == 3 && p.resultLength != len(result[0].InnerIDList()) {
+			t.Log(t.Name())
+			t.Errorf("ConvertSpatialIDsToQuadkeysAndVerticalIDs(%s,%d,%d,%f,%f) == %+v, result: %+v", p.spatialIds, p.ToHZoom, p.ToVZoom, p.maxHeight, p.minHeight, len(result[0].InnerIDList()), p.resultLength)
+		}
+
+	}
+}
+
+func SortCheck(r []*object.FromExtendedSpatialIDToQuadkeyAndVerticalID, rt []*object.FromExtendedSpatialIDToQuadkeyAndVerticalID) bool {
+	// 実行結果とテスト値が一致しない場合、false。それ以外の場合、true
+	for index, rTmp := range r {
+		rtTmp := rt[index]
+		if rtTmp.QuadkeyZoom() != rTmp.QuadkeyZoom() {
+			return false
+		}
+		if rtTmp.VerticalZoom() != rTmp.VerticalZoom() {
+			return false
+		}
+		if rtTmp.MaxHeight() != rTmp.MaxHeight() {
+			return false
+		}
+		if rtTmp.MinHeight() != rTmp.MinHeight() {
+			return false
+		}
+		for _, li := range rTmp.InnerIDList() {
+			b := false
+			for _, li2 := range rtTmp.InnerIDList() {
+				if li2 == li {
+					b = true
+				}
+			}
+			// テスト値の内部形式IDが関数の実行結果に存在しない場合、false
+			if !b {
+				return b
+			}
+		}
+	}
+	// 最後に到達した場合はTrue
+	return true
+}
+
+func TestDeleteDuplicationList(t *testing.T) {
+	datas := []struct {
+		duplicationList []string
+		result          []string
+	}{
+		{duplicationList: []string{"20/562356/78451/23/956", "20/562356/78451/23/957", "20/562356/78451/23/956", "20/562356/78451/23/957"}, result: []string{"20/562356/78451/23/956", "20/562356/78451/23/957"}},
+	}
+	for _, p := range datas {
+		result := deleteDuplicationList(p.duplicationList)
+		sort.Strings(result)
+		sort.Strings(p.result)
+		if !reflect.DeepEqual(result, p.result) {
+			t.Log(t.Name())
+			t.Errorf("deleteDuplicationList(%s) == %s, result: %s", p.duplicationList, p.result, result)
+		}
+
+	}
+}
+
+func TestConvertHorizontalIDToQuadkey(t *testing.T) {
+	datas := []struct {
+		horizontalID string
+		result       int64
+	}{
+		{horizontalID: "20/45621/43566", result: 3448507833},         //"00003031203000312321"
+		{horizontalID: "26/4562451/2343566", result: 26508024119725}, //"00012001233201113020012231"
+		{horizontalID: "26/1/2", result: 9},                          //"00000000000000000000000021"
+		{horizontalID: "26/2/1", result: 6},                          //"00000000000000000000000012"
+		{horizontalID: "5/4562451/2343566", result: 429},             //"12231"
+		///{horizontalID: "31/2147483647/2147483647", result: 5},
+	}
+	for _, p := range datas {
+		result := convertHorizontalIDToQuadkey(p.horizontalID)
+		if result != p.result {
+			t.Log(t.Name())
+			t.Errorf("convertHorizontalIDToQuadkey(%s) == %d, result: %d", p.horizontalID, p.result, result)
+		}
+	}
+}
+func TestConvertQuadkeyToHorizontalID(t *testing.T) {
+	datas := []struct {
+		quadkey int64
+		zoom    int64
+		resultX int64
+		resultY int64
+	}{
+		{quadkey: 2914, zoom: 6, resultX: 24, resultY: 53},   //2914-""231202""
+		{quadkey: 438, zoom: 6, resultX: 22, resultY: 13},    //438-"012312"
+		{quadkey: 14628, zoom: 7, resultX: 82, resultY: 100}, //14628-"3210210"
+	}
+	for _, p := range datas {
+		resultX, resultY := convertQuadkeyToHorizontalID(p.quadkey, p.zoom)
+		if resultX != p.resultX && resultY != p.resultY {
+			t.Log(t.Name())
+			t.Errorf("convertQuadkeyToHorizontalID(%d,%d) == %d,%d, resultX: %d,resultY: %d,", p.quadkey, p.zoom, p.resultX, p.resultY, resultX, resultY)
+		}
+
+	}
+}
+func TestConvertVerticallIDToBit(t *testing.T) {
+	datas := []struct {
+		vZoom      int64
+		vIndex     int64
+		outputZoom int64
+		maxHeight  float64
+		minHeight  float64
+		result     []int64
+	}{
+		// 正常系 1111−0000すべて
+		{vZoom: 16, vIndex: 0, outputZoom: 4, maxHeight: 500.0, minHeight: 0.0, result: []int64{15, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14}},
+		// 正常系 bit形式の枠外(正方向)
+		{vZoom: 13, vIndex: 6, outputZoom: 5, maxHeight: 0.0, minHeight: -500.0, result: []int64{31}},
+		// 正常系 bit形式の枠外(負方向)
+		{vZoom: 13, vIndex: -6, outputZoom: 5, maxHeight: 500.0, minHeight: 0.0, result: []int64{0}},
+		{vZoom: 20, vIndex: 0, outputZoom: 8, maxHeight: 500.0, minHeight: -500.0, result: []int64{136, 128, 129, 130, 131, 132, 133, 134, 135}},
+		//{vZoom: 35, vIndex: 0, outputZoom: 35, maxHeight: 1.0, minHeight: 0.0, result: []int64{136, 128, 129, 130, 131, 132, 133, 134, 135}},
+	}
+	for _, p := range datas {
+		result := convertVerticallIDToBit(p.vZoom, p.vIndex, p.outputZoom, p.maxHeight, p.minHeight)
+		if !reflect.DeepEqual(result, p.result) {
+			t.Log(t.Name())
+			t.Errorf("convertVerticallIDToBit(%d,%d, %d,%f,%f) == %d, result: %d", p.vZoom, p.vIndex, p.outputZoom, p.maxHeight, p.minHeight, p.result, result)
+		}
+
+	}
+}
+
+func TestCalcBitIndex(t *testing.T) {
+	datas := []struct {
+		altitude   float64
+		outputZoom int64
+		maxHeight  float64
+		minHeight  float64
+		pattern    int64
+		result     int64
+	}{
+		// 正常(地表)
+		{altitude: 256.0, outputZoom: 10, maxHeight: 500.0, minHeight: 0.0, pattern: 0, result: 524},
+		// 正常(桁数補正)
+		{altitude: 0.0, outputZoom: 10, maxHeight: 256.0, minHeight: -256.0, pattern: 0, result: 512},
+		// 正常(地中)
+		{altitude: -200.0, outputZoom: 10, maxHeight: 0.0, minHeight: -500.0, pattern: 0, result: 614},
+		// 正常 All1
+		{altitude: 2560.0, outputZoom: 10, maxHeight: 500.0, minHeight: 0.0, pattern: 0, result: 1023},
+		// 正常 All0
+		{altitude: -256.0, outputZoom: 10, maxHeight: 500.0, minHeight: 0.0, pattern: 0, result: 0},
+		// 正常 0
+		{altitude: -256.0, outputZoom: 1, maxHeight: 500.0, minHeight: 0.0, pattern: 0, result: 0},
+		// 正常 1
+		{altitude: 512.0, outputZoom: 1, maxHeight: 500.0, minHeight: 0.0, pattern: 0, result: 1},
+	}
+	for _, p := range datas {
+		result := calcBitIndex(p.altitude, p.outputZoom, p.maxHeight, p.minHeight)
+		if result != p.result {
+			t.Log(t.Name())
+			t.Errorf("calcBitIndex(%f, %d,%f,%f) == %d, result: %d", p.altitude, p.outputZoom, p.maxHeight, p.minHeight, p.result, result)
+		}
+	}
+}
+
+func TestConvertBitToVerticalID(t *testing.T) {
+	datas := []struct {
+		vZoom      int64
+		vIndex     int64
+		outputZoom int64
+		maxHeight  float64
+		minHeight  float64
+		pattern    int64
+		result     []string
+	}{
+		// 正常系
+		// 01010101010101010101010101→5592405
+		{vZoom: 26, vIndex: 5592405, outputZoom: 26, maxHeight: 500, minHeight: 0, pattern: 0, result: []string{"26/83", "26/83"}},
+		{vZoom: 2, vIndex: 4, outputZoom: 25, maxHeight: 500, minHeight: 0, pattern: 1, result: []string{"126", "500", "375"}},
+		{vZoom: 26, vIndex: 5592405, outputZoom: 25, maxHeight: 0, minHeight: -500, pattern: 0, result: []string{"25/-459", "25/-459"}},
+		// インデックスの補完
+		{vZoom: 8, vIndex: 85, outputZoom: 26, maxHeight: 1000, minHeight: 0, pattern: 0, result: []string{"26/671", "26/664", "26/665", "26/666", "26/667", "26/668", "26/669", "26/670"}},
+	}
+	for _, p := range datas {
+		result := convertBitToVerticalID(p.vZoom, p.vIndex, p.outputZoom, p.maxHeight, p.minHeight)
+		if p.pattern == 0 {
+			if !reflect.DeepEqual(result, p.result) {
+				t.Log(t.Name())
+				t.Errorf("convertBitToVerticalID(%d,%d, %d,%f,%f) == %s, result: %s", p.vZoom, p.vIndex, p.outputZoom, p.maxHeight, p.minHeight, p.result, result)
+			}
+		} else {
+			// スライスの長さ,桁数
+			length, _ := strconv.Atoi(p.result[0])
+			if len(result) != length {
+				t.Log(t.Name())
+				t.Errorf("convertBitToVerticalID(%d,%d, %d,%f,%f) == %s, result: %s", p.vZoom, p.vIndex, p.outputZoom, p.maxHeight, p.minHeight, p.result[0], result)
+			}
+		}
+	}
+
+}
+
+func TestQuadkeyCheckZoom(t *testing.T) {
+	// テストデータのテーブルを定義
+	datas := []struct {
+		HZoom  int64
+		VZoom  int64
+		result bool
+	}{
+		{HZoom: 1, VZoom: 12, result: true},
+		{HZoom: 2, VZoom: 12, result: true},
+		{HZoom: 31, VZoom: 12, result: true},
+		{HZoom: 12, VZoom: 0, result: true},
+		{HZoom: 12, VZoom: 1, result: true},
+		{HZoom: 12, VZoom: 35, result: true},
+		{HZoom: 0, VZoom: 12, result: false},
+		{HZoom: 32, VZoom: 12, result: false},
+		{HZoom: 12, VZoom: -1, result: false},
+		{HZoom: 12, VZoom: 36, result: false},
+	}
+
+	for _, p := range datas {
+		result := quadkeyCheckZoom(p.HZoom, p.VZoom)
+		if result != p.result {
+			t.Log(t.Name())
+			t.Errorf("quadkeyCheckZoom(%d, %d) == %s, result: %s", p.HZoom, p.VZoom, strconv.FormatBool(p.result), strconv.FormatBool(result))
+		}
+	}
+}
+
+func TestSpatialIDCheckZoom(t *testing.T) {
+	// テストデータのテーブルを定義
+	datas := []struct {
+		HZoom  int64
+		VZoom  int64
+		result bool
+	}{
+		{HZoom: 0, VZoom: 12, result: true},
+		{HZoom: 1, VZoom: 12, result: true},
+		{HZoom: 35, VZoom: 12, result: true},
+		{HZoom: 12, VZoom: 0, result: true},
+		{HZoom: 12, VZoom: 1, result: true},
+		{HZoom: 12, VZoom: 35, result: true},
+		{HZoom: -1, VZoom: 12, result: false},
+		{HZoom: 36, VZoom: 12, result: false},
+		{HZoom: 12, VZoom: -1, result: false},
+		{HZoom: 12, VZoom: 36, result: false},
+	}
+
+	for _, p := range datas {
+		result := extendedSpatialIDCheckZoom(p.HZoom, p.VZoom)
+		if result != p.result {
+			t.Log(t.Name())
+			t.Errorf("extendedSpatialIDCheckZoom(%d, %d) == %s, result: %s", p.HZoom, p.VZoom, strconv.FormatBool(p.result), strconv.FormatBool(result))
+		}
+	}
+
+}
+
+func TestConvertZToAltitudekey_1(t *testing.T) {
+	expected := []int64{400, 401, 402, 403}
+
+	result, error := ConvertZToAltitudekey(
+		100,
+		25,
+		27,
+		25,
+		0,
+	)
+	if error != nil {
+		t.Fatal(error)
+	}
+
+	if !reflect.DeepEqual(result, expected) {
+		t.Fatal(result)
+	}
+}
+
+func TestConvertZToAltitudekey_2(t *testing.T) {
+	expected := []int64{50}
+
+	result, error := ConvertZToAltitudekey(
+		100,
+		25,
+		24,
+		25,
+		0,
+	)
+	if error != nil {
+		t.Fatal(error)
+	}
+
+	if !reflect.DeepEqual(result, expected) {
+		t.Fatal(result)
+	}
+}
+
+func TestConvertZToAltitudekey_3(t *testing.T) {
+	expected := []int64{100}
+
+	result, error := ConvertZToAltitudekey(
+		100,
+		25,
+		25,
+		25,
+		0,
+	)
+	if error != nil {
+		t.Fatal(error)
+	}
+
+	if !reflect.DeepEqual(result, expected) {
+		t.Fatal(result)
+	}
+}
+
+func TestConvertZToAltitudekey_4(t *testing.T) {
+	expected := []int64{53}
+
+	result, error := ConvertZToAltitudekey(
+		100,
+		25,
+		25,
+		25,
+		-47,
+	)
+	if error != nil {
+		t.Fatal(error)
+	}
+
+	if !reflect.DeepEqual(result, expected) {
+		t.Fatal(result)
+	}
+}
+
+func TestConvertZToAltitudekey_5(t *testing.T) {
+	expectedError := errors.NewSpatialIdError(errors.InputValueErrorCode, "output index does not exist with given outputZoom, zBaseExponent, and zBaseOffset")
+
+	result, error := ConvertZToAltitudekey(
+		100,
+		25,
+		21,
+		25,
+		-272,
+	)
+	if error != expectedError {
+		t.Fatal(result, error)
+	}
+}
+
+func TestConvertZToAltitudekey_6(t *testing.T) {
+	expectedError := errors.NewSpatialIdError(errors.InputValueErrorCode, "output index does not exist with given outputZoom, zBaseExponent, and zBaseOffset")
+
+	result, error := ConvertZToAltitudekey(
+		100,
+		25,
+		25,
+		25,
+		-512,
+	)
+	if error != expectedError {
+		t.Fatal(result, error)
+	}
+}
+
+func TestConvertZToAltitudekey_7(t *testing.T) {
+	expected := []int64{1000}
+
+	result, error := ConvertZToAltitudekey(
+		28,
+		25,
+		14,
+		25,
+		2048000,
+	)
+	if error != nil {
+		t.Fatal(error)
+	}
+
+	if !reflect.DeepEqual(result, expected) {
+		t.Fatal(result)
+	}
+}
+
+func TestConvertZToAltitudekey_8(t *testing.T) {
+	expected := []int64{100}
+
+	result, error := ConvertZToAltitudekey(
+		100,
+		25,
+		24,
+		24,
+		0,
+	)
+	if error != nil {
+		t.Fatal(error)
+	}
+
+	if !reflect.DeepEqual(result, expected) {
+		t.Fatal(result)
+	}
+}
+
+func TestConvertZToAltitudekey_9(t *testing.T) {
+	expected := []int64{800, 801, 802, 803, 804, 805, 806, 807}
+
+	result, error := ConvertZToAltitudekey(
+		100,
+		25,
+		27,
+		24,
+		0,
+	)
+	if error != nil {
+		t.Fatal(error)
+	}
+
+	if !reflect.DeepEqual(result, expected) {
+		t.Fatal(result)
+	}
+}
+
+func TestConvertZToMinAltitudekey_1(t *testing.T) {
+	expected := int64(47)
+
+	result, error := convertZToMinAltitudekey(
+		0,
+		25,
+		25,
+		25,
+		47,
+	)
+	if error != nil {
+		t.Fatal(error)
+	}
+
+	if result != expected {
+		t.Fatal(result)
+	}
+}
+
+func TestConvertZToMinAltitudekey_2(t *testing.T) {
+	expected := int64(0)
+
+	result, error := convertZToMinAltitudekey(
+		0,
+		25,
+		25,
+		25,
+		0,
+	)
+	if error != nil {
+		t.Fatal(error)
+	}
+
+	if result != expected {
+		t.Fatal(result)
+	}
+}
+
+func TestConvertZToMinAltitudekey_3(t *testing.T) {
+	expected := int64(0)
+
+	result, error := convertZToMinAltitudekey(
+		0,
+		25,
+		27,
+		25,
+		0,
+	)
+	if error != nil {
+		t.Fatal(error)
+	}
+
+	if result != expected {
+		t.Fatal(result)
+	}
+}
+
+func TestConvertZToMinAltitudekey_4(t *testing.T) {
+	expected := int64(4)
+
+	result, error := convertZToMinAltitudekey(
+		1,
+		25,
+		27,
+		25,
+		0,
+	)
+	if error != nil {
+		t.Fatal(error)
+	}
+
+	if result != expected {
+		t.Fatal(result)
+	}
+}
+
+func TestConvertZToMinAltitudekey_5(t *testing.T) {
+	expected := int64(3276800)
+
+	result, error := convertZToMinAltitudekey(
+		100,
+		10,
+		25,
+		25,
+		0,
+	)
+	if error != nil {
+		t.Fatal(error)
+	}
+
+	if result != expected {
+		t.Fatal(result)
+	}
+}
+
+func TestConvertZToMinAltitudekey_6(t *testing.T) {
+	expectedError := errors.NewSpatialIdError(errors.InputValueErrorCode, "output index does not exist with given outputZoom, zBaseExponent, and zBaseOffset")
+
+	result, error := convertZToMinAltitudekey(
+		100,
+		10,
+		25,
+		25,
+		-3276801,
+	)
+	if error != expectedError {
+		t.Fatal(result, error)
+	}
+}
+
+func TestConvertZToMinAltitudekey_7(t *testing.T) {
+	expected := int64(24)
+
+	result, error := convertZToMinAltitudekey(
+		47,
+		25,
+		24,
+		25,
+		2,
+	)
+	if error != nil {
+		t.Fatal(error)
+	}
+
+	if result != expected {
+		t.Fatal(result)
+	}
+}
+
+func TestConvertZToMinAltitudekey_8(t *testing.T) {
+	expected := int64(2)
+
+	result, error := convertZToMinAltitudekey(
+		47,
+		25,
+		20,
+		25,
+		32,
+	)
+	if error != nil {
+		t.Fatal(error)
+	}
+
+	if result != expected {
+		t.Fatal(result)
+	}
+}
+
+func TestConvertZToMinAltitudekey_9(t *testing.T) {
+	expected := int64(12)
+
+	result, error := convertZToMinAltitudekey(
+		47,
+		25,
+		12,
+		14,
+		4,
+	)
+	if error != nil {
+		t.Fatal(error)
+	}
+
+	if result != expected {
+		t.Fatal(result)
+	}
+}
+
+func TestConvertZToMinAltitudekey_10(t *testing.T) {
+	expectedError := errors.NewSpatialIdError(errors.InputValueErrorCode, "output index does not exist with given outputZoom, zBaseExponent, and zBaseOffset")
+
+	result, error := convertZToMinAltitudekey(
+		-1,
+		25,
+		25,
+		25,
+		0,
+	)
+	if error != expectedError {
+		t.Fatal(result, error)
+	}
+}
+
+func TestConvertZToMinAltitudekey_11(t *testing.T) {
+	expectedError := errors.NewSpatialIdError(errors.InputValueErrorCode, "output index does not exist with given outputZoom, zBaseExponent, and zBaseOffset")
+
+	result, error := convertZToMinAltitudekey(
+		-100,
+		25,
+		26,
+		24,
+		51,
+	)
+	if error != expectedError {
+		t.Fatal(result, error)
+	}
+}
+
+func TestConvertAltitudeKeyToZ(t *testing.T) {
+	type args struct {
+		altitudekey          int64
+		altitudekeyZoomLevel int64
+		outputZoomLevel      int64
+		zBaseExponent        int64
+		zBaseOffset          int64
+	}
+	tests := []struct {
+		name    string
+		args    args
+		minZ    int64
+		maxZ    int64
+		wantErr bool
+	}{
+		{
+			name: "altitudekey must be offset converted",
+			args: args{
+				altitudekey:          0,
+				altitudekeyZoomLevel: 23,
+				outputZoomLevel:      23,
+				zBaseExponent:        23,
+				zBaseOffset:          8,
+			},
+			minZ:    -2,
+			maxZ:    -2,
+			wantErr: false,
+		},
+		{
+			name: "altitudekey must be zoom level converted",
+			args: args{
+				altitudekey:          0,
+				altitudekeyZoomLevel: 23,
+				outputZoomLevel:      22,
+				zBaseExponent:        25,
+				zBaseOffset:          -2,
+			},
+			minZ:    0,
+			maxZ:    0,
+			wantErr: false,
+		},
+		{
+			name: "minZ and maxZ must be different when zBaseOffset is not power of 2",
+			args: args{
+				altitudekey:          0,
+				altitudekeyZoomLevel: 23,
+				outputZoomLevel:      23,
+				zBaseExponent:        25,
+				zBaseOffset:          7,
+			},
+			minZ:    -2,
+			maxZ:    -1,
+			wantErr: false,
+		},
+		{
+			name: "minZ and maxZ must be different when outputZoom or altitudekeyZoomLevel is greater than zBaseExponent",
+			args: args{
+				altitudekey:          3,
+				altitudekeyZoomLevel: 26,
+				outputZoomLevel:      26,
+				zBaseExponent:        25,
+				zBaseOffset:          -2,
+			},
+			minZ:    6,
+			maxZ:    7,
+			wantErr: false,
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			gotMinZ, gotMaxZ, err := ConvertAltitudeKeyToZ(tt.args.altitudekey, tt.args.altitudekeyZoomLevel, tt.args.outputZoomLevel, tt.args.zBaseExponent, tt.args.zBaseOffset)
+			if (err != nil) != tt.wantErr {
+				t.Errorf("ConvertAltitudeKeyToZ() error = %v, wantErr %v", err, tt.wantErr)
+				return
+			}
+			if gotMinZ != tt.minZ {
+				t.Errorf("ConvertAltitudeKeyToZ() gotMinZ = %v, minZ %v", gotMinZ, tt.minZ)
+			}
+			if gotMaxZ != tt.maxZ {
+				t.Errorf("ConvertAltitudeKeyToZ() gotMaxZ = %v, maxZ %v", gotMaxZ, tt.maxZ)
+			}
+		})
+	}
+}