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
{
"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)
{
"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 ] ] ] } }
]
}
原則オープンデータを用いる