OpenLayers v6.3.1 如何使用“.readFeatures”方法实例化构成 TopoJSON 对象的多个多边形子对象插入到我的脚本中？
OpenLayers v6.3.1 How to instantiate several polygon sub-objects that make up a TopoJSON object inserted in my Script with the “.readFeatures” method?
我的 TopoJSON 对象包含 3 个多边形子对象，其中第一个 D2P1 出现在 OSM 地图上正确绘制的几何图形，但其他 2 个多边形 D2P2 和 D2P3 在地图上绘制时扭曲，变成投影线而不是他们的！正确的几何形状。
你能帮我正确编写代码，使我的 3 个多边形看起来配置正确吗？
<!DOCTYPE html>
<html lang="es">
<head>
<meta charset="utf-8" />
<script src="https://cdn.jsdelivr.net/gh/openlayers/openlayers.github.io@master/en/v6.
3.1/build/ol.js" type="text/javascript"></script>
<link rel="stylesheet" href="https://cdn.jsdelivr.net/gh/openlayers/openlayers.github.io@master/en/v6
.3.1/css/ol.css" type="text/css">
<style>
/*estilo de la caja del mapa*/
#map {
width: 100%;
height: 700px;
box-shadow: 5px 5px 5px #888;
}
</style>
<style>
/*estilo de los controles del mapa*/
.ol-mouse-position {
/*estilo del control de longitud y latitud */
font-size: 12px;
font-family: Arial Black;
}
</style>
</head>
<body>
<div id="map"></div>
<script>
var osm = new ol.layer.Tile({ // capa osm (Open Street Maps)
source: new ol.source.OSM()
});
// OBJETO TopoJSON
var Y = {
"type": "Topology",
"arcs": [
[
[711, 1839],
[-37, -99],
[-3, -8],
[-2, -4],
[-3, -4],
[-2, -3],
[-1, -1],
[-2, -1],
[-3, -3],
[-2, -1],
[-4, -2],
[-1, 0],
[-3, -1],
[-24, 1],
[-12, -3],
[-10, -15],
[-1, -3],
[-5, -13],
[-2, -23],
[-1, -94],
[275, -220],
[17, -31],
[34, -52],
[117, -112],
[19, -19],
[30, -142]
],
[
[1085, 986],
[-5, -9],
[0, 0],
[-30, -40],
[-47, -48],
[-18, -16],
[-21, -16],
[-45, -61],
[-16, -16],
[-4, -4],
[-101, -125],
[-28, -6],
[-5, -7],
[-3, -2],
[-3, -1],
[-7, -16],
[-573, 431],
[-1, 1],
[-12, 5],
[-9, 3],
[-157, 6],
[16, 868],
[14, 15],
[82, 49],
[599, -158]
],
[
[711, 1839],
[315, -82],
[459, -119],
[-3, -4],
[-143, -167],
[75, -84],
[-12, -10],
[-39, -51],
[-3, -3],
[-15, -16],
[-76, -26],
[-133, -211],
[-28, -44],
[-23, -36]
],
[
[2354, 410],
[-76, -313],
[-220, 43],
[-37, -140],
[-11, 11],
[-129, 128],
[-17, 17],
[-6, 5],
[-5, 2],
[-7, 3],
[-8, 2],
[-15, 4],
[-173, 40],
[-169, 39],
[-2, 6],
[3, 33],
[-239, 651],
[-21, 32],
[-86, 93],
[133, 211],
[76, 26],
[15, 16],
[3, 3],
[39, 51],
[12, 10],
[-75, 84],
[146, 171],
[2, 1],
[16, 3],
[11, 2],
[9, 1],
[16, 2],
[20, 3],
[20, 1],
[16, 2],
[21, -2],
[14, -2],
[20, -3],
[18, -4],
[21, -8],
[24, -10],
[15, -9],
[23, -14],
[39, -28],
[32, -27],
[20, -14],
[32, -18],
[22, -10],
[23, -6],
[35, -4],
[33, -5],
[41, -1],
[74, -8],
[44, -15],
[73, -32],
[101, -41],
[169, -77],
[118, -51],
[74, -35],
[12, -5],
[-15, -66],
[-41, -179],
[-69, -252],
[-35, -26],
[-3, -9],
[-7, -15],
[-14, -48],
[-4, -57],
[-7, -16],
[-39, -41],
[-14, -22],
[-21, -44],
[-23, -3],
[-15, -1],
[-9, -2],
[-8, -6],
[-10, -16],
[-5, -11],
[0, 0]
]
],
"transform": {
"scale": [0.00001991525380089962, 0.000012987212987305721],
"translate": [-98.20093192354561, 19.06017018766488]
},
"objects": {
"D2P1": {
"type": "GeometryCollection",
"geometries": [{
"arcs": [
[0, 1]
],
"type": "Polygon",
"properties": {
"Name": "(STA. MARÍA) 1 P.MARIA AUXILIO DE LOS CRISTIANOS",
"description": null,
"timestamp": null,
"begin": null,
"end": null,
"altitudeMode": null,
"tessellate": -1,
"extrude": 0,
"visibility": -1,
"drawOrder": null,
"icon": null,
"snippet": ""
}
}]
},
"D2P2": {
"type": "GeometryCollection",
"geometries": [{
"arcs": [
[-1, 2]
],
"type": "Polygon",
"properties": {
"Name": "(STA. MARÍA) 2 P. NUESTRA SEÑORA DE LA CANDELARIA",
"description": null,
"timestamp": null,
"begin": null,
"end": null,
"altitudeMode": null,
"tessellate": -1,
"extrude": 0,
"visibility": -1,
"drawOrder": null,
"icon": null,
"snippet": ""
}
}]
},
"D2P3": {
"type": "GeometryCollection",
"geometries": [{
"arcs": [
[3]
],
"type": "Polygon",
"properties": {
"Name": "(STA. MARÍA) 3 P. SEÑOR DE LAS MARAVILLAS",
"description": null,
"timestamp": null,
"begin": null,
"end": null,
"altitudeMode": null,
"tessellate": -1,
"extrude": 0,
"visibility": -1,
"drawOrder": null,
"icon": null,
"snippet": ""
}
}]
}
}
};
/* source*/
var sourceD2P1 = new ol.source.Vector({
features: (new ol.format.TopoJSON({
layers: ['D2P1']
})).readFeatures(Y, {
dataProjection: 'EPSG:4326',
featureProjection: 'EPSG:3857'
}),
});
var sourceD2P2 = new ol.source.Vector({
features: (new ol.format.TopoJSON({
layers: ['D2P2']
})).readFeatures(Y, {
dataProjection: 'EPSG:4326',
featureProjection: 'EPSG:3857'
}),
});
var sourceD2P3 = new ol.source.Vector({
features: (new ol.format.TopoJSON({
layers: ['D2P3']
})).readFeatures(Y, {
dataProjection: 'EPSG:4326',
featureProjection: 'EPSG:3857'
}),
});
/*LAYER.VECTOR*/
var vectorD2P1 = new ol.layer.Vector({ // ----D2P1
source: sourceD2P1,
style: new ol.style.Style({
fill: new ol.style.Fill({
color: 'green',
}),
stroke: new ol.style.Stroke({
color: 'green',
width: 1
})
})
});
var vectorD2P2 = new ol.layer.Vector({ // ----D2P2
source: sourceD2P2,
style: new ol.style.Style({
fill: new ol.style.Fill({
color: 'red',
}),
stroke: new ol.style.Stroke({
color: 'red',
width: 1
})
})
});
var vectorD2P3 = new ol.layer.Vector({ // ----D2P3
source: sourceD2P3,
style: new ol.style.Style({
fill: new ol.style.Fill({
color: 'blue',
}),
stroke: new ol.style.Stroke({
color: 'blue',
width: 1
})
})
});
var controls = ol.control.defaults().extend([
new ol.control.ScaleLine(), /*control del mapita lateral*/
new ol.control.Attribution(), /*control del letrero de Open Street Maps*/
new ol.control.MousePosition({ /*control de LONGITUD Y LATITUD en donde se coloque el mause*/
coordinateFormat: ol.coordinate.createStringXY(4),
projection: 'EPSG:4326'
}),
new ol.control.OverviewMap({
layers: [
new ol.layer.Tile({
source: new ol.source.OSM()
})
]
}),
/*new ol.control.ZoomSlider(),*/
new ol.control.FullScreen() /*control de expancon u cerrado del mapa*/
]);
var Mivista = new ol.View({
center: ol.proj.fromLonLat([-98.2172, 19.03464]),
zoom: 12
}) //-98.197, 19.0433 puebla
var layers = [osm,
vectorD2P1, vectorD2P2, vectorD2P3,
];
// Creacion del mapa con las 3 capas
var map = new ol.Map({
/*target------*/
target: 'map',
/*layers------*/
layers: layers,
controls: controls,
/*view--------*/
view: Mivista,
});
Mivista.setRotation(-.4999) // Rota el plano 27 grados
</script>
</body>
</html>
我把回答我问题的代码留给你，我希望它会非常有用
<!DOCTYPE html>
<html lang="es">
<head>
<meta charset="utf-8" />
<script src="https://cdn.jsdelivr.net/gh/openlayers/openlayers.github.io@master/en/v6.
3.1/build/ol.js" type="text/javascript"></script>
<link rel="stylesheet" href="https://cdn.jsdelivr.net/gh/openlayers/openlayers.github.io@master/en/v6
.3.1/css/ol.css" type="text/css">
<style>
/*estilo de la caja del mapa*/
#map {
width: 100%;
height: 1000px;
box-shadow: 5px 5px 5px #888;
}
</style>
<style>
/*estilo de los controles del mapa*/
.ol-mouse-position {
/*estilo del control de longitud y latitud */
font-size: 12px;
font-family: Arial Black;
}
</style>
</head>
<body>
<div id="map"></div>
<script>
var osm = new ol.layer.Tile({ // capa osm (Open Street Maps)
source: new ol.source.OSM()
});
// OBJECTO_1 TopoJSON
var geojsonObjectochentaPARROQUIAS = {
// OBJETO TopoJSON
"type": "Topology",
"arcs": [
[
[711, 1839],
[-37, -99],
[-3, -8],
[-2, -4],
[-3, -4],
[-2, -3],
[-1, -1],
[-2, -1],
[-3, -3],
[-2, -1],
[-4, -2],
[-1, 0],
[-3, -1],
[-24, 1],
[-12, -3],
[-10, -15],
[-1, -3],
[-5, -13],
[-2, -23],
[-1, -94],
[275, -220],
[17, -31],
[34, -52],
[117, -112],
[19, -19],
[30, -142]
],
[
[1085, 986],
[-5, -9],
[0, 0],
[-30, -40],
[-47, -48],
[-18, -16],
[-21, -16],
[-45, -61],
[-16, -16],
[-4, -4],
[-101, -125],
[-28, -6],
[-5, -7],
[-3, -2],
[-3, -1],
[-7, -16],
[-573, 431],
[-1, 1],
[-12, 5],
[-9, 3],
[-157, 6],
[16, 868],
[14, 15],
[82, 49],
[599, -158]
],
[
[711, 1839],
[315, -82],
[459, -119],
[-3, -4],
[-143, -167],
[75, -84],
[-12, -10],
[-39, -51],
[-3, -3],
[-15, -16],
[-76, -26],
[-133, -211],
[-28, -44],
[-23, -36]
],
[
[2354, 410],
[-76, -313],
[-220, 43],
[-37, -140],
[-11, 11],
[-129, 128],
[-17, 17],
[-6, 5],
[-5, 2],
[-7, 3],
[-8, 2],
[-15, 4],
[-173, 40],
[-169, 39],
[-2, 6],
[3, 33],
[-239, 651],
[-21, 32],
[-86, 93],
[133, 211],
[76, 26],
[15, 16],
[3, 3],
[39, 51],
[12, 10],
[-75, 84],
[146, 171],
[2, 1],
[16, 3],
[11, 2],
[9, 1],
[16, 2],
[20, 3],
[20, 1],
[16, 2],
[21, -2],
[14, -2],
[20, -3],
[18, -4],
[21, -8],
[24, -10],
[15, -9],
[23, -14],
[39, -28],
[32, -27],
[20, -14],
[32, -18],
[22, -10],
[23, -6],
[35, -4],
[33, -5],
[41, -1],
[74, -8],
[44, -15],
[73, -32],
[101, -41],
[169, -77],
[118, -51],
[74, -35],
[12, -5],
[-15, -66],
[-41, -179],
[-69, -252],
[-35, -26],
[-3, -9],
[-7, -15],
[-14, -48],
[-4, -57],
[-7, -16],
[-39, -41],
[-14, -22],
[-21, -44],
[-23, -3],
[-15, -1],
[-9, -2],
[-8, -6],
[-10, -16],
[-5, -11],
[0, 0]
]
],
"transform": {
"scale": [0.00001991525380089962, 0.000012987212987305721],
"translate": [-98.20093192354561, 19.06017018766488]
},
"objects": {
"D2P1": {
"type": "GeometryCollection",
"geometries": [{
"arcs": [
[0, 1]
],
"type": "Polygon",
"properties": {
"Name": "(STA. MARÍA) 1 P.MARIA AUXILIO DE LOS CRISTIANOS",
"description": null,
"timestamp": null,
"begin": null,
"end": null,
"altitudeMode": null,
"tessellate": -1,
"extrude": 0,
"visibility": -1,
"drawOrder": null,
"icon": null,
"snippet": ""
}
}]
},
"D2P2": {
"type": "GeometryCollection",
"geometries": [{
"arcs": [
[-1, 2]
],
"type": "Polygon",
"properties": {
"Name": "(STA. MARÍA) 2 P. NUESTRA SEÑORA DE LA CANDELARIA",
"description": null,
"timestamp": null,
"begin": null,
"end": null,
"altitudeMode": null,
"tessellate": -1,
"extrude": 0,
"visibility": -1,
"drawOrder": null,
"icon": null,
"snippet": ""
}
}]
},
"D2P3": {
"type": "GeometryCollection",
"geometries": [{
"arcs": [
[3]
],
"type": "Polygon",
"properties": {
"Name": "(STA. MARÍA) 3 P. SEÑOR DE LAS MARAVILLAS",
"description": null,
"timestamp": null,
"begin": null,
"end": null,
"altitudeMode": null,
"tessellate": -1,
"extrude": 0,
"visibility": -1,
"drawOrder": null,
"icon": null,
"snippet": ""
}
}]
}
}
};
// OBJECTO_2 TopoJSON
var geojsonObjectXXX = { // -------------------------------------------------ObjectXXX-----Municipio_TopoJSON
"type": "Topology",
"arcs": [
[
[3698, 68],
[-126, 23],
[-54, 8],
[-370, -99],
[-112, 35],
[-249, 34],
[-133, 44],
[-62, 66],
[-35, 73],
[29, 117],
[-38, 91],
[-95, 135],
[-58, 226],
[-38, 29],
[-24, 82],
[-102, 79],
[-64, 94],
[-91, 38],
[-98, 4],
[-104, -18],
[-77, -53],
[-95, -37],
[-37, -47],
[-139, -59],
[-55, -59],
[-105, -57],
[-62, -10],
[-93, 35],
[-536, -78],
[-105, 19],
[-76, 98],
[-39, 16],
[-160, 3],
[14, 30],
[59, 50],
[63, 87],
[112, 135],
[23, 71],
[-49, 67],
[-52, 37],
[-19, 0],
[-20, -17],
[-66, 9],
[-79, -8],
[-62, -14],
[-82, 14],
[-43, 3],
[-62, 63],
[-32, 81],
[9, 39],
[41, 52],
[30, 18],
[5, 40],
[13, 25],
[25, 3],
[46, -9],
[46, -1],
[38, 9],
[33, 28],
[-10, 36],
[-23, 53],
[-8, 30],
[22, 45],
[35, 110],
[2, 15],
[25, 173],
[1, 79],
[1, 142],
[-5, 202],
[28, 10],
[58, -2],
[54, 4],
[42, 16],
[13, 41],
[-94, 114],
[-39, 34],
[-6, 11],
[-8, 15],
[9, 43],
[-35, 77],
[5, 103],
[-4, 66],
[-39, 64],
[-28, 20],
[-66, 49],
[-58, 63],
[68, 31],
[18, 35],
[0, 61],
[3, 61],
[32, 55],
[38, 29],
[-80, 137],
[87, 24],
[35, 47],
[52, 23],
[96, 28],
[39, -76],
[44, -33],
[47, 42],
[30, 22],
[111, -8],
[44, 17],
[19, 62],
[28, 17],
[90, -2],
[55, 76],
[59, 91],
[20, 68],
[20, 69],
[34, 48],
[115, 70],
[27, 46],
[46, -1],
[78, -2],
[75, 71],
[92, -18],
[41, 21],
[2, 2],
[54, 90],
[68, 18],
[3, 4],
[38, 63],
[15, 45],
[51, 28],
[35, 62],
[5, 46],
[-68, 115],
[-66, 37],
[-54, 31],
[-78, 33],
[-23, 33],
[-12, 19],
[-19, -18],
[41, -92],
[-123, 10],
[-240, 19],
[39, 16],
[-23, 7],
[-98, 33],
[-27, 12],
[-37, 17],
[-144, -129],
[-16, 101],
[-113, 53],
[-45, 71],
[-186, 20],
[48, 138],
[53, -5],
[156, 112],
[-61, 124],
[-86, 32],
[52, 150],
[47, 145],
[12, 39],
[18, 39],
[2, 4],
[22, 77],
[-53, 28],
[-39, 24],
[110, 66],
[25, 15],
[14, 35],
[18, 139],
[62, -7],
[58, 85],
[91, -52],
[78, -12],
[106, -17],
[22, 86],
[5, 22],
[10, 42],
[57, 31],
[6, 36],
[-17, 37],
[-11, 8],
[-11, -5],
[1, 9],
[-29, 54],
[-4, 62],
[-3, 4],
[-18, 24],
[86, 51],
[27, -26],
[30, 34],
[15, 38],
[93, -57],
[27, 15],
[22, 15],
[8, 14],
[-5, 32],
[-15, 36],
[6, 28],
[24, 27],
[7, 42],
[62, 57],
[1, 16],
[-79, 55],
[1, 14],
[42, 25],
[21, 1],
[24, 20],
[5, 69],
[-11, 22],
[-24, 23],
[0, 13],
[4, 38],
[11, 8],
[6, 21],
[-12, 12],
[0, 16],
[15, 19],
[6, 19],
[4, 91],
[9, 10],
[-7, 19],
[14, 10],
[17, 2],
[17, -8],
[44, -7],
[23, 9],
[15, 11],
[12, 28],
[-12, 35],
[9, 8],
[-6, 101],
[10, -12],
[25, -36],
[31, 34],
[21, -30],
[3, -16],
[60, 2],
[-5, 12],
[40, -12],
[40, -17],
[37, -19],
[48, -8],
[15, 3],
[32, -3],
[29, -9],
[27, -2],
[48, 4],
[26, 2],
[29, 7],
[25, 4],
[23, 11],
[15, 10],
[22, 3],
[-1, -8],
[16, -15],
[28, -17],
[11, -10],
[3, -7],
[-3, -8],
[-18, -21],
[-3, -14],
[1, -12],
[12, -23],
[3, -10],
[-3, -11],
[-14, -11],
[-10, -14],
[-4, -20],
[4, -13],
[7, -14],
[6, -12],
[8, -24],
[15, -68],
[-1, -106],
[-5, -23],
[-2, -64],
[-5, -17],
[-16, -36],
[17, -9],
[25, -4],
[40, 4],
[40, 9],
[28, 16],
[20, 19],
[43, -1],
[16, 10],
[16, -6],
[23, -22],
[77, -31],
[123, -53],
[83, -43],
[22, -7],
[125, -52],
[210, -80],
[174, -74],
[45, -19],
[44, -14],
[61, 12],
[14, 5],
[12, 7],
[4, 5],
[9, 4],
[2, 3],
[10, 3],
[38, 27],
[3, 3],
[3, 5],
[2, 5],
[0, 4],
[5, 8],
[27, -18],
[18, -12],
[31, 42],
[39, 35],
[58, 34],
[129, 56],
[53, 30],
[34, 21],
[29, 21],
[63, 48],
[33, 14],
[20, 6],
[19, 1],
[24, 6],
[15, 6],
[19, 13],
[213, 202],
[161, 201],
[31, 79],
[22, 52],
[93, 97],
[86, 64],
[37, 63],
[112, 50],
[-11, 11],
[46, 16],
[22, 16],
[24, 28],
[12, 4],
[70, 27],
[15, 10],
[19, 7],
[16, 9],
[7, 15],
[2, 13],
[3, 9],
[7, 8],
[20, 16],
[13, 11],
[15, 9],
[11, 19],
[24, 10],
[13, 9],
[9, 1],
[11, 5],
[11, 1],
[18, -2],
[22, -2],
[44, 0],
[38, 32],
[6, 56],
[-7, 76],
[30, 76],
[93, 127],
[209, 2],
[33, -1],
[118, -5],
[120, 116],
[203, 130],
[178, 202],
[177, 151],
[141, 43],
[124, 102],
[137, 213],
[133, 176],
[127, 158],
[12, 217],
[51, 110],
[94, -27],
[65, -115],
[6, -171],
[3, -22],
[241, -231],
[-135, -147],
[-47, 16],
[-6, -79],
[-126, -184],
[-13, -90],
[-71, 70],
[-52, -46],
[1, -114],
[35, -117],
[-16, -246],
[3, -183],
[-1, -35],
[-50, -141],
[1, -113],
[-46, -302],
[57, -66],
[136, 198],
[86, 8],
[-24, -126],
[-65, -35],
[-13, -69],
[-13, -72],
[-34, -43],
[-34, -102],
[-87, 11],
[-37, -13],
[-81, -95],
[-61, -33],
[-89, -50],
[16, -78],
[-18, -75],
[-67, -46],
[-130, -61],
[-22, -37],
[43, -182],
[-22, -105],
[-42, -20],
[-27, -5],
[-24, -8],
[-37, -65],
[-65, -47],
[-70, -17],
[-103, -52],
[-74, -89],
[-6, -101],
[-36, -43],
[-46, -146],
[-97, -161],
[-22, -93],
[-31, -21],
[-46, -165],
[-54, -190],
[-4, -40],
[77, -92],
[28, -57],
[-1, 0],
[-315, 73],
[-74, 2],
[-138, 4],
[-162, -25],
[-132, -20],
[-157, -3],
[-65, -52],
[-24, -160],
[-42, -30],
[-7, -15],
[2, -29],
[21, 6],
[23, -32],
[-104, 0],
[-12, -2],
[-254, -4],
[1, -12],
[-29, 0],
[0, -25],
[-42, 4],
[-93, 9],
[2, -7],
[-7, 0],
[-27, -1],
[-23, -13],
[0, -16],
[48, -67],
[40, -5],
[38, -6],
[44, -6],
[40, -31],
[11, -8],
[39, -30],
[32, -26],
[93, -72],
[-26, -120],
[-159, -128],
[-12, -10],
[-23, -139],
[-24, -149],
[-118, -199],
[44, -84],
[-23, -60],
[-28, 22],
[-17, -29],
[-75, -43],
[-73, -9],
[-4, -18],
[-45, -53],
[51, -150],
[70, -150],
[19, -90],
[-65, -91],
[-21, -30],
[3, -345],
[-10, -48],
[14, -49],
[-29, -32],
[13, -18],
[34, -47],
[-2, -32],
[-3, -41],
[85, -25],
[62, -46],
[70, -52],
[80, -33],
[193, -65],
[80, -66],
[55, -138],
[-38, -73],
[23, -56],
[278, -196],
[92, -53],
[117, -37],
[118, -210],
[-120, -1],
[-185, -48],
[-77, 56],
[-285, -61],
[-28, -169],
[-205, -26],
[67, 172],
[-131, 34],
[-3, 73],
[-174, 7],
[-16, -66],
[-50, -23],
[-54, 33],
[-208, -45],
[-43, -70],
[-42, -3],
[-70, -39],
[-162, -442],
[-7, -315],
[-153, -388],
[-11, -185],
[-98, -58]
]
],
"transform": {
"scale": [3.750052683335661, 4.395371608583082],
"translate": [-10941343.283091985, 2137380.706460472]
},
"objects": {
"municipioDePuebla": {
"type": "GeometryCollection",
"geometries": [{
"arcs": [
[0]
],
"type": "Polygon",
"properties": {
"Name": "MUNICIPIO DE PUEBLA",
"description": null,
"timestamp": null,
"begin": null,
"end": null,
"altitudeMode": null,
"tessellate": -1,
"extrude": 0,
"visibility": -1,
"drawOrder": null,
"icon": null,
"snippet": ""
}
}]
}
}
}; // Municipio_TopoJSON
/* ol.format.TopoJSON------------------------------------------------------------------------------------------------------------------*/
var sourceOchentaPARROQUIAS = new ol.source.Vector({
features: (new ol.format.TopoJSON({
layers: ['D2P1', 'D2P2', 'D2P3']
})).readFeatures(geojsonObjectochentaPARROQUIAS, {
dataProjection: 'EPSG:4326',
featureProjection: 'EPSG:3857'
})
});
var sourceMunicipio = new ol.source.Vector({
features: (new ol.format.TopoJSON()).readFeatures(geojsonObjectXXX)
});
/* ol.layer.Vector-----------------------------------------------------------------------------------------------------------------------*/
function generateRandomColor(seed) {
let r = Math.floor(Math.random() * 255)
let g = Math.floor(Math.random() * 255)
let b = Math.floor(Math.random() * 255)
return `rgba(${r}, ${g}, ${b}, 0.3)`
}
let features = sourceOchentaPARROQUIAS.getFeatures()
let colors = {}
features.forEach((feature, i) => {
let geom = feature.getGeometry()
colors[geom.ol_uid] = generateRandomColor(geom.ol_uid)
})
function vectorStyleFunction(feature) {
let geom = feature.getGeometry()
let id = geom.ol_uid
let style = new ol.style.Style({
fill: new ol.style.Fill({
color: colors[id]
}),
stroke: new ol.style.Stroke({
color: /*'rgba(9, 87, 140, 1)',*/ 'blue',
width: 1
}),
text: new ol.style.Text({
font: '12px Calibri,sans-serif',
fill: new ol.style.Fill({
color: '#000',
}),
stroke: new ol.style.Stroke({
color: '#fff',
width: 3,
}),
}),
})
// style.getText().setText(geom.ol_uid);
return style
}
var vectorLayerOchentaPARROQUIAS = new ol.layer.Vector({ // ----82 POLIGONOS
source: sourceOchentaPARROQUIAS,
style: vectorStyleFunction
});
var vectorLayerMunicipioDePuebla = new ol.layer.Vector({ // ----1 POLIGONO
source: sourceMunicipio,
style: new ol.style.Style({
fill: new ol.style.Fill({
color: 'rgba(255, 255, 255, 0.00)'
}),
stroke: new ol.style.Stroke({
color: '#09a7ee',
width: 2
}),
})
});
/* CONTROLES-----------------------------------------------------------------------------------------------------------------------*/
var controls = ol.control.defaults().extend([
new ol.control.ScaleLine(), /*control del mapita lateral*/
new ol.control.Attribution(), /*control del letrero de Open Street Maps*/
new ol.control.MousePosition({ /*control de LONGITUD Y LATITUD en donde se coloque el mause*/
coordinateFormat: ol.coordinate.createStringXY(4),
projection: 'EPSG:4326'
}),
new ol.control.OverviewMap({
layers: [
new ol.layer.Tile({
source: new ol.source.OSM()
})
]
}),
/*new ol.control.ZoomSlider(),*/
new ol.control.FullScreen() /*control de expancon u cerrado del mapa*/
]);
// Creacion del mapa con las TRES capas
var Mivista = new ol.View({
center: ol.proj.fromLonLat([-98.2172, 19.0150]),
zoom: 12
}) //-98.197, 19.0433 puebla
// pedida de capas
/*LAYERS*/
var layers = [osm, vectorLayerOchentaPARROQUIAS, vectorLayerMunicipioDePuebla];
var map = new ol.Map({
/*target------*/
target: 'map',
layers: layers,
controls: controls,
/*view--------*/
view: Mivista,
});
Mivista.setRotation(-.4999) // Rota el plano 27 grados en sentido contrario de las manecillas del reloj
</script>
</body>
</html>
我的 TopoJSON 对象包含 3 个多边形子对象，其中第一个 D2P1 出现在 OSM 地图上正确绘制的几何图形，但其他 2 个多边形 D2P2 和 D2P3 在地图上绘制时扭曲，变成投影线而不是他们的！正确的几何形状。 你能帮我正确编写代码，使我的 3 个多边形看起来配置正确吗？
<!DOCTYPE html>
<html lang="es">
<head>
<meta charset="utf-8" />
<script src="https://cdn.jsdelivr.net/gh/openlayers/openlayers.github.io@master/en/v6.
3.1/build/ol.js" type="text/javascript"></script>
<link rel="stylesheet" href="https://cdn.jsdelivr.net/gh/openlayers/openlayers.github.io@master/en/v6
.3.1/css/ol.css" type="text/css">
<style>
/*estilo de la caja del mapa*/
#map {
width: 100%;
height: 700px;
box-shadow: 5px 5px 5px #888;
}
</style>
<style>
/*estilo de los controles del mapa*/
.ol-mouse-position {
/*estilo del control de longitud y latitud */
font-size: 12px;
font-family: Arial Black;
}
</style>
</head>
<body>
<div id="map"></div>
<script>
var osm = new ol.layer.Tile({ // capa osm (Open Street Maps)
source: new ol.source.OSM()
});
// OBJETO TopoJSON
var Y = {
"type": "Topology",
"arcs": [
[
[711, 1839],
[-37, -99],
[-3, -8],
[-2, -4],
[-3, -4],
[-2, -3],
[-1, -1],
[-2, -1],
[-3, -3],
[-2, -1],
[-4, -2],
[-1, 0],
[-3, -1],
[-24, 1],
[-12, -3],
[-10, -15],
[-1, -3],
[-5, -13],
[-2, -23],
[-1, -94],
[275, -220],
[17, -31],
[34, -52],
[117, -112],
[19, -19],
[30, -142]
],
[
[1085, 986],
[-5, -9],
[0, 0],
[-30, -40],
[-47, -48],
[-18, -16],
[-21, -16],
[-45, -61],
[-16, -16],
[-4, -4],
[-101, -125],
[-28, -6],
[-5, -7],
[-3, -2],
[-3, -1],
[-7, -16],
[-573, 431],
[-1, 1],
[-12, 5],
[-9, 3],
[-157, 6],
[16, 868],
[14, 15],
[82, 49],
[599, -158]
],
[
[711, 1839],
[315, -82],
[459, -119],
[-3, -4],
[-143, -167],
[75, -84],
[-12, -10],
[-39, -51],
[-3, -3],
[-15, -16],
[-76, -26],
[-133, -211],
[-28, -44],
[-23, -36]
],
[
[2354, 410],
[-76, -313],
[-220, 43],
[-37, -140],
[-11, 11],
[-129, 128],
[-17, 17],
[-6, 5],
[-5, 2],
[-7, 3],
[-8, 2],
[-15, 4],
[-173, 40],
[-169, 39],
[-2, 6],
[3, 33],
[-239, 651],
[-21, 32],
[-86, 93],
[133, 211],
[76, 26],
[15, 16],
[3, 3],
[39, 51],
[12, 10],
[-75, 84],
[146, 171],
[2, 1],
[16, 3],
[11, 2],
[9, 1],
[16, 2],
[20, 3],
[20, 1],
[16, 2],
[21, -2],
[14, -2],
[20, -3],
[18, -4],
[21, -8],
[24, -10],
[15, -9],
[23, -14],
[39, -28],
[32, -27],
[20, -14],
[32, -18],
[22, -10],
[23, -6],
[35, -4],
[33, -5],
[41, -1],
[74, -8],
[44, -15],
[73, -32],
[101, -41],
[169, -77],
[118, -51],
[74, -35],
[12, -5],
[-15, -66],
[-41, -179],
[-69, -252],
[-35, -26],
[-3, -9],
[-7, -15],
[-14, -48],
[-4, -57],
[-7, -16],
[-39, -41],
[-14, -22],
[-21, -44],
[-23, -3],
[-15, -1],
[-9, -2],
[-8, -6],
[-10, -16],
[-5, -11],
[0, 0]
]
],
"transform": {
"scale": [0.00001991525380089962, 0.000012987212987305721],
"translate": [-98.20093192354561, 19.06017018766488]
},
"objects": {
"D2P1": {
"type": "GeometryCollection",
"geometries": [{
"arcs": [
[0, 1]
],
"type": "Polygon",
"properties": {
"Name": "(STA. MARÍA) 1 P.MARIA AUXILIO DE LOS CRISTIANOS",
"description": null,
"timestamp": null,
"begin": null,
"end": null,
"altitudeMode": null,
"tessellate": -1,
"extrude": 0,
"visibility": -1,
"drawOrder": null,
"icon": null,
"snippet": ""
}
}]
},
"D2P2": {
"type": "GeometryCollection",
"geometries": [{
"arcs": [
[-1, 2]
],
"type": "Polygon",
"properties": {
"Name": "(STA. MARÍA) 2 P. NUESTRA SEÑORA DE LA CANDELARIA",
"description": null,
"timestamp": null,
"begin": null,
"end": null,
"altitudeMode": null,
"tessellate": -1,
"extrude": 0,
"visibility": -1,
"drawOrder": null,
"icon": null,
"snippet": ""
}
}]
},
"D2P3": {
"type": "GeometryCollection",
"geometries": [{
"arcs": [
[3]
],
"type": "Polygon",
"properties": {
"Name": "(STA. MARÍA) 3 P. SEÑOR DE LAS MARAVILLAS",
"description": null,
"timestamp": null,
"begin": null,
"end": null,
"altitudeMode": null,
"tessellate": -1,
"extrude": 0,
"visibility": -1,
"drawOrder": null,
"icon": null,
"snippet": ""
}
}]
}
}
};
/* source*/
var sourceD2P1 = new ol.source.Vector({
features: (new ol.format.TopoJSON({
layers: ['D2P1']
})).readFeatures(Y, {
dataProjection: 'EPSG:4326',
featureProjection: 'EPSG:3857'
}),
});
var sourceD2P2 = new ol.source.Vector({
features: (new ol.format.TopoJSON({
layers: ['D2P2']
})).readFeatures(Y, {
dataProjection: 'EPSG:4326',
featureProjection: 'EPSG:3857'
}),
});
var sourceD2P3 = new ol.source.Vector({
features: (new ol.format.TopoJSON({
layers: ['D2P3']
})).readFeatures(Y, {
dataProjection: 'EPSG:4326',
featureProjection: 'EPSG:3857'
}),
});
/*LAYER.VECTOR*/
var vectorD2P1 = new ol.layer.Vector({ // ----D2P1
source: sourceD2P1,
style: new ol.style.Style({
fill: new ol.style.Fill({
color: 'green',
}),
stroke: new ol.style.Stroke({
color: 'green',
width: 1
})
})
});
var vectorD2P2 = new ol.layer.Vector({ // ----D2P2
source: sourceD2P2,
style: new ol.style.Style({
fill: new ol.style.Fill({
color: 'red',
}),
stroke: new ol.style.Stroke({
color: 'red',
width: 1
})
})
});
var vectorD2P3 = new ol.layer.Vector({ // ----D2P3
source: sourceD2P3,
style: new ol.style.Style({
fill: new ol.style.Fill({
color: 'blue',
}),
stroke: new ol.style.Stroke({
color: 'blue',
width: 1
})
})
});
var controls = ol.control.defaults().extend([
new ol.control.ScaleLine(), /*control del mapita lateral*/
new ol.control.Attribution(), /*control del letrero de Open Street Maps*/
new ol.control.MousePosition({ /*control de LONGITUD Y LATITUD en donde se coloque el mause*/
coordinateFormat: ol.coordinate.createStringXY(4),
projection: 'EPSG:4326'
}),
new ol.control.OverviewMap({
layers: [
new ol.layer.Tile({
source: new ol.source.OSM()
})
]
}),
/*new ol.control.ZoomSlider(),*/
new ol.control.FullScreen() /*control de expancon u cerrado del mapa*/
]);
var Mivista = new ol.View({
center: ol.proj.fromLonLat([-98.2172, 19.03464]),
zoom: 12
}) //-98.197, 19.0433 puebla
var layers = [osm,
vectorD2P1, vectorD2P2, vectorD2P3,
];
// Creacion del mapa con las 3 capas
var map = new ol.Map({
/*target------*/
target: 'map',
/*layers------*/
layers: layers,
controls: controls,
/*view--------*/
view: Mivista,
});
Mivista.setRotation(-.4999) // Rota el plano 27 grados
</script>
</body>
</html>
我把回答我问题的代码留给你，我希望它会非常有用
<!DOCTYPE html>
<html lang="es">
<head>
<meta charset="utf-8" />
<script src="https://cdn.jsdelivr.net/gh/openlayers/openlayers.github.io@master/en/v6.
3.1/build/ol.js" type="text/javascript"></script>
<link rel="stylesheet" href="https://cdn.jsdelivr.net/gh/openlayers/openlayers.github.io@master/en/v6
.3.1/css/ol.css" type="text/css">
<style>
/*estilo de la caja del mapa*/
#map {
width: 100%;
height: 1000px;
box-shadow: 5px 5px 5px #888;
}
</style>
<style>
/*estilo de los controles del mapa*/
.ol-mouse-position {
/*estilo del control de longitud y latitud */
font-size: 12px;
font-family: Arial Black;
}
</style>
</head>
<body>
<div id="map"></div>
<script>
var osm = new ol.layer.Tile({ // capa osm (Open Street Maps)
source: new ol.source.OSM()
});
// OBJECTO_1 TopoJSON
var geojsonObjectochentaPARROQUIAS = {
// OBJETO TopoJSON
"type": "Topology",
"arcs": [
[
[711, 1839],
[-37, -99],
[-3, -8],
[-2, -4],
[-3, -4],
[-2, -3],
[-1, -1],
[-2, -1],
[-3, -3],
[-2, -1],
[-4, -2],
[-1, 0],
[-3, -1],
[-24, 1],
[-12, -3],
[-10, -15],
[-1, -3],
[-5, -13],
[-2, -23],
[-1, -94],
[275, -220],
[17, -31],
[34, -52],
[117, -112],
[19, -19],
[30, -142]
],
[
[1085, 986],
[-5, -9],
[0, 0],
[-30, -40],
[-47, -48],
[-18, -16],
[-21, -16],
[-45, -61],
[-16, -16],
[-4, -4],
[-101, -125],
[-28, -6],
[-5, -7],
[-3, -2],
[-3, -1],
[-7, -16],
[-573, 431],
[-1, 1],
[-12, 5],
[-9, 3],
[-157, 6],
[16, 868],
[14, 15],
[82, 49],
[599, -158]
],
[
[711, 1839],
[315, -82],
[459, -119],
[-3, -4],
[-143, -167],
[75, -84],
[-12, -10],
[-39, -51],
[-3, -3],
[-15, -16],
[-76, -26],
[-133, -211],
[-28, -44],
[-23, -36]
],
[
[2354, 410],
[-76, -313],
[-220, 43],
[-37, -140],
[-11, 11],
[-129, 128],
[-17, 17],
[-6, 5],
[-5, 2],
[-7, 3],
[-8, 2],
[-15, 4],
[-173, 40],
[-169, 39],
[-2, 6],
[3, 33],
[-239, 651],
[-21, 32],
[-86, 93],
[133, 211],
[76, 26],
[15, 16],
[3, 3],
[39, 51],
[12, 10],
[-75, 84],
[146, 171],
[2, 1],
[16, 3],
[11, 2],
[9, 1],
[16, 2],
[20, 3],
[20, 1],
[16, 2],
[21, -2],
[14, -2],
[20, -3],
[18, -4],
[21, -8],
[24, -10],
[15, -9],
[23, -14],
[39, -28],
[32, -27],
[20, -14],
[32, -18],
[22, -10],
[23, -6],
[35, -4],
[33, -5],
[41, -1],
[74, -8],
[44, -15],
[73, -32],
[101, -41],
[169, -77],
[118, -51],
[74, -35],
[12, -5],
[-15, -66],
[-41, -179],
[-69, -252],
[-35, -26],
[-3, -9],
[-7, -15],
[-14, -48],
[-4, -57],
[-7, -16],
[-39, -41],
[-14, -22],
[-21, -44],
[-23, -3],
[-15, -1],
[-9, -2],
[-8, -6],
[-10, -16],
[-5, -11],
[0, 0]
]
],
"transform": {
"scale": [0.00001991525380089962, 0.000012987212987305721],
"translate": [-98.20093192354561, 19.06017018766488]
},
"objects": {
"D2P1": {
"type": "GeometryCollection",
"geometries": [{
"arcs": [
[0, 1]
],
"type": "Polygon",
"properties": {
"Name": "(STA. MARÍA) 1 P.MARIA AUXILIO DE LOS CRISTIANOS",
"description": null,
"timestamp": null,
"begin": null,
"end": null,
"altitudeMode": null,
"tessellate": -1,
"extrude": 0,
"visibility": -1,
"drawOrder": null,
"icon": null,
"snippet": ""
}
}]
},
"D2P2": {
"type": "GeometryCollection",
"geometries": [{
"arcs": [
[-1, 2]
],
"type": "Polygon",
"properties": {
"Name": "(STA. MARÍA) 2 P. NUESTRA SEÑORA DE LA CANDELARIA",
"description": null,
"timestamp": null,
"begin": null,
"end": null,
"altitudeMode": null,
"tessellate": -1,
"extrude": 0,
"visibility": -1,
"drawOrder": null,
"icon": null,
"snippet": ""
}
}]
},
"D2P3": {
"type": "GeometryCollection",
"geometries": [{
"arcs": [
[3]
],
"type": "Polygon",
"properties": {
"Name": "(STA. MARÍA) 3 P. SEÑOR DE LAS MARAVILLAS",
"description": null,
"timestamp": null,
"begin": null,
"end": null,
"altitudeMode": null,
"tessellate": -1,
"extrude": 0,
"visibility": -1,
"drawOrder": null,
"icon": null,
"snippet": ""
}
}]
}
}
};
// OBJECTO_2 TopoJSON
var geojsonObjectXXX = { // -------------------------------------------------ObjectXXX-----Municipio_TopoJSON
"type": "Topology",
"arcs": [
[
[3698, 68],
[-126, 23],
[-54, 8],
[-370, -99],
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]
],
"transform": {
"scale": [3.750052683335661, 4.395371608583082],
"translate": [-10941343.283091985, 2137380.706460472]
},
"objects": {
"municipioDePuebla": {
"type": "GeometryCollection",
"geometries": [{
"arcs": [
[0]
],
"type": "Polygon",
"properties": {
"Name": "MUNICIPIO DE PUEBLA",
"description": null,
"timestamp": null,
"begin": null,
"end": null,
"altitudeMode": null,
"tessellate": -1,
"extrude": 0,
"visibility": -1,
"drawOrder": null,
"icon": null,
"snippet": ""
}
}]
}
}
}; // Municipio_TopoJSON
/* ol.format.TopoJSON------------------------------------------------------------------------------------------------------------------*/
var sourceOchentaPARROQUIAS = new ol.source.Vector({
features: (new ol.format.TopoJSON({
layers: ['D2P1', 'D2P2', 'D2P3']
})).readFeatures(geojsonObjectochentaPARROQUIAS, {
dataProjection: 'EPSG:4326',
featureProjection: 'EPSG:3857'
})
});
var sourceMunicipio = new ol.source.Vector({
features: (new ol.format.TopoJSON()).readFeatures(geojsonObjectXXX)
});
/* ol.layer.Vector-----------------------------------------------------------------------------------------------------------------------*/
function generateRandomColor(seed) {
let r = Math.floor(Math.random() * 255)
let g = Math.floor(Math.random() * 255)
let b = Math.floor(Math.random() * 255)
return `rgba(${r}, ${g}, ${b}, 0.3)`
}
let features = sourceOchentaPARROQUIAS.getFeatures()
let colors = {}
features.forEach((feature, i) => {
let geom = feature.getGeometry()
colors[geom.ol_uid] = generateRandomColor(geom.ol_uid)
})
function vectorStyleFunction(feature) {
let geom = feature.getGeometry()
let id = geom.ol_uid
let style = new ol.style.Style({
fill: new ol.style.Fill({
color: colors[id]
}),
stroke: new ol.style.Stroke({
color: /*'rgba(9, 87, 140, 1)',*/ 'blue',
width: 1
}),
text: new ol.style.Text({
font: '12px Calibri,sans-serif',
fill: new ol.style.Fill({
color: '#000',
}),
stroke: new ol.style.Stroke({
color: '#fff',
width: 3,
}),
}),
})
// style.getText().setText(geom.ol_uid);
return style
}
var vectorLayerOchentaPARROQUIAS = new ol.layer.Vector({ // ----82 POLIGONOS
source: sourceOchentaPARROQUIAS,
style: vectorStyleFunction
});
var vectorLayerMunicipioDePuebla = new ol.layer.Vector({ // ----1 POLIGONO
source: sourceMunicipio,
style: new ol.style.Style({
fill: new ol.style.Fill({
color: 'rgba(255, 255, 255, 0.00)'
}),
stroke: new ol.style.Stroke({
color: '#09a7ee',
width: 2
}),
})
});
/* CONTROLES-----------------------------------------------------------------------------------------------------------------------*/
var controls = ol.control.defaults().extend([
new ol.control.ScaleLine(), /*control del mapita lateral*/
new ol.control.Attribution(), /*control del letrero de Open Street Maps*/
new ol.control.MousePosition({ /*control de LONGITUD Y LATITUD en donde se coloque el mause*/
coordinateFormat: ol.coordinate.createStringXY(4),
projection: 'EPSG:4326'
}),
new ol.control.OverviewMap({
layers: [
new ol.layer.Tile({
source: new ol.source.OSM()
})
]
}),
/*new ol.control.ZoomSlider(),*/
new ol.control.FullScreen() /*control de expancon u cerrado del mapa*/
]);
// Creacion del mapa con las TRES capas
var Mivista = new ol.View({
center: ol.proj.fromLonLat([-98.2172, 19.0150]),
zoom: 12
}) //-98.197, 19.0433 puebla
// pedida de capas
/*LAYERS*/
var layers = [osm, vectorLayerOchentaPARROQUIAS, vectorLayerMunicipioDePuebla];
var map = new ol.Map({
/*target------*/
target: 'map',
layers: layers,
controls: controls,
/*view--------*/
view: Mivista,
});
Mivista.setRotation(-.4999) // Rota el plano 27 grados en sentido contrario de las manecillas del reloj
</script>
</body>
</html>