CityPlannerを用いた渋谷デジタルツインデータ整備
CityPlannerの仕様上平面投影の正方形が必須条件
- X幅: 約 1.4 km (1,392m)
- Y幅: 約 1.0 km (1,142m)
- UR: 15552724,4254851
- UL: 15551332,4254851
- LR: 15552724,4253709
- LL: 15551332,4253709
- CentX: 15552028
- CentY: 4254280
- X幅: 1.5 km (1,500m/750m)
- Y幅: 1.5 km (1,500m/750m)
- UR: 15552778,4255030
- UL: 15551278,4255030
- LR: 15552778,4253530
- LL: 15551278,4253530
- CentX: 15552028
- CentY: 4254280
{
"type": "FeatureCollection",
"name": "mesh53393596_epsg3857",
"crs": { "type": "name", "properties": { "name": "urn:ogc:def:crs:EPSG::3857" } },
"features": [
{ "type": "Feature", "properties": { "Name": "53393596", "description": null, "timestamp": null, "begin": null, "end": null, "altitudeMode": null, "tessellate": -1, "extrude": 0, "visibility": 1, "drawOrder": null, "icon": null }, "geometry": { "type": "Polygon", "coordinates": [ [ [ 15552778,4253530, 100.0 ], [ 15552778,4255030, 100.0 ], [ 15551278,4255030, 100.0 ], [ 15551278,4253530, 100.0 ], [ 15552778,4253530, 100.0 ] ] ] } }
]
}
座標の記述順番: LR → UR → UL → LL → LR
- Plan A (標準地域メッシュをベースにしているため、正方形ではない。)
- Plan A (正方形版)
- EPSG:3857 に統一
- UL,UR: 53394504 , 53394507
- LL,LR: 53393574 , 53393577
{
"type": "FeatureCollection",
"features": [
{
"type": "Feature",
"properties": {},
"geometry": {
"coordinates": [
[
[
139.67400258922322,
35.67576991472468
],
[
139.67400258922322,
35.6406857362758
],
[
139.7261290509494,
35.6406857362758
],
[
139.7261290509494,
35.67576991472468
],
[
139.67400258922322,
35.67576991472468
]
]
],
"type": "Polygon"
}
}
]
}
{
"type": "FeatureCollection",
"name": "StudyAreaInShibuya_PlanA_3857",
"crs": { "type": "name", "properties": { "name": "urn:ogc:def:crs:EPSG::3857" } },
"features": [
{ "type": "Feature", "properties": { }, "geometry": { "type": "Polygon", "coordinates": [ [ [ 15548438.845290701836348, 4256099.03733919467777 ], [ 15548438.845290701836348, 4251292.254631052725017 ], [ 15554241.536466917023063, 4251292.254631052725017 ], [ 15554241.536466917023063, 4256099.03733919467777 ], [ 15548438.845290701836348, 4256099.03733919467777 ] ] ] } }
]
}
- 正方形のエリア定義
-
UL: 15548440, 4256600 [m]
-
UR: 15554240, 4256600 [m]
-
LL: 15548440, 4250800 [m]
-
LR: 15554240, 4250800 [m]
-
X横幅: 5,800 [m] +/- 2900
-
Y縦幅: 5,800 [m] +/- 2900
-
中心座標: 15551340, 4253700 [m]
{
"type": "FeatureCollection",
"name": "StudyAreaInShibuya_PlanA_3857",
"crs": { "type": "name", "properties": { "name": "urn:ogc:def:crs:EPSG::3857" } },
"features": [
{ "type": "Feature", "properties": { }, "geometry": { "type": "Polygon", "coordinates": [ [ [ 15548440, 4256600. ], [ 15554240, 4256600 ], [ 15554240, 4250800 ], [ 15548440, 4250800 ], [ 15548440, 4256600 ] ] ] } }
]
}
- GeoTIFF(EPSG:3857)
- XYZタイル → QGIS → GeoTIFFエクスポート
- GeoJSON(EPSG:3857)
- GeoPackage(EPSG:3857)
- XYZタイル → QGIS → GeoTIFFエクスポート
- 渋谷区オープンデータ
- 3D建物
- CityGML → plateau-gis-converter → GeoJSON(EPSG:3857)エクスポート
- 地理院5m標高
- OpenStreetMap
- 地理院地図シームレス空中写真
原則オープンデータを用いる