開發環境:
arcgis jsapi版本4.9
由於我們這套代碼是基於vue,webpack開發的,會有少數vue代碼,但總體不影響
裏面還有些我們公司的js庫和html css,給出的代碼不能百分百直接運行,主要還是接口的總體介紹
代碼中常見且不知來源的變量說明:
this.map和this.mapView:就是地圖的map和mapView
this.apiInstance:這是公司框架封裝的用於實例化arcgis jsapi對象的,不是必須的,例如new this.apiInstance.Extent,用原版jsapi就改成new Extent
以下是所有文章代碼引用到的一個通用js文件,在此統一貼出代碼
//地圖通用操作
let comm = {
//圖層
layer: {
/**
* 創建天地圖圖層
* 只支持經緯度座標(需要平面的麥卡托座標可以自行修改)
* @param tdtLayerType 天地圖圖層類型,支持以下值:img=影像——經緯度,cia=影像註記——經緯度,vec=矢量——經緯度,cva=矢量註記——經緯度
* ter=地形圖——經緯度,cta=地形圖註記——經緯度
*/
createTdtLayer: function (apiInstance, tdtLayerType, layerConfig) {
//切片配置
//PS:加載天地圖圖層本質上是用自定義切片圖層
var tileInfo = new apiInstance.TileInfo({
"rows": 256,
"cols": 256,
"compressionQuality": 0,
//切片原點
"origin": {
"x": -180,
"y": 90
},
//座標系
"spatialReference": {
//本方法只支持經緯度座標,座標系爲wgs84
"wkid": 4326
},
"lods": [
//天地圖固定的切片級別
{"level": 2, "resolution": 0.3515625, "scale": 147748796.52937502},
{"level": 3, "resolution": 0.17578125, "scale": 73874398.264687508},
{"level": 4, "resolution": 0.087890625, "scale": 36937199.132343754},
{"level": 5, "resolution": 0.0439453125, "scale": 18468599.566171877},
{"level": 6, "resolution": 0.02197265625, "scale": 9234299.7830859385},
{"level": 7, "resolution": 0.010986328125, "scale": 4617149.8915429693},
{"level": 8, "resolution": 0.0054931640625, "scale": 2308574.9457714846},
{"level": 9, "resolution": 0.00274658203125, "scale": 1154287.4728857423},
{"level": 10, "resolution": 0.001373291015625, "scale": 577143.73644287116},
{"level": 11, "resolution": 0.0006866455078125, "scale": 288571.86822143558},
{"level": 12, "resolution": 0.00034332275390625, "scale": 144285.93411071779},
{"level": 13, "resolution": 0.000171661376953125, "scale": 72142.967055358895},
{"level": 14, "resolution": 8.58306884765625e-005, "scale": 36071.483527679447},
{"level": 15, "resolution": 4.291534423828125e-005, "scale": 18035.741763839724},
{"level": 16, "resolution": 2.1457672119140625e-005, "scale": 9017.8708819198619},
{"level": 17, "resolution": 1.0728836059570313e-005, "scale": 4508.9354409599309},
{"level": 18, "resolution": 5.3644180297851563e-006, "scale": 2254.4677204799655},
{"level": 19, "resolution": 2.68220901489257815e-006, "scale": 1127.23386023998275},
{"level": 20, "resolution": 1.341104507446289075e-006, "scale": 563.616930119991375},
{"level": 21, "resolution": 6.705522537231445375e-007, "scale": 281.8084650599956875},
{"level": 22, "resolution": 3.3527612686157226875e-007, "scale": 140.90423252999784375},
{"level": 23, "resolution": 1.67638063430786134375e-007, "scale": 70.452116264998921875},
{"level": 24, "resolution": 8.38190317153930671875e-008, "scale": 35.2260581324994609375}
]
});
//設置圖層全圖範圍
let spatialReference = new apiInstance.SpatialReference({wkid: 4326});
let fullExtent = new apiInstance.Extent(-180.0, -90.0, 180.0, 90.0, spatialReference);
//圖層配置
layerConfig = layerConfig || {};
$.extend(layerConfig, {
//天地圖切片的url模板
urlTemplate: "http://{subDomain}.tianditu.cn/" + tdtLayerType + "_c/wmts?SERVICE=WMTS&REQUEST=GetTile&VERSION=1.0.0&LAYER=" + tdtLayerType + "&STYLE=default&TILEMATRIXSET=c&TILEMATRIX={level}&TILEROW={row}&TILECOL={col}&FORMAT=tiles",
subDomains: ["t0", "t1", "t2", "t3", "t4", "t5", "t6", "t7"],
copyright: "",
spatialReference: spatialReference,
fullExtent: fullExtent,
tileInfo: tileInfo,
});
//根據圖層配置新建圖層
let layer = new apiInstance.WebTileLayer(layerConfig);
return layer;
},
/**
* 創建圖形圖層並添加到地圖
* @param apiInstance
* @param map 地圖
* @param layerConfig 圖層配置
*/
createGraphicsLayerAndAddToMap: function (apiInstance, map, layerConfig) {
let layer = new apiInstance.GraphicsLayer(layerConfig);
//圖層添加到地圖
map.add(layer);
return layer;
},
},
//幾何
geometry: {
/**
* wkt轉點的圖形(Graphic)
* @param apiInstance api
* @param wkt wkt
* @param style 樣式
* @param sr 空間參考
* @param attributes 屬性字段值(可空)
*/
wktToPointGraphic: function (apiInstance, wkt, style, sr, attributes) {
//wkt轉點的幾何對象
let point = comm.geometry.wktToPoint(apiInstance, wkt, sr);
//生成點樣式
let markerSymbol = new apiInstance.SimpleMarkerSymbol(
style,
);
//生成圖形
let graphic = new apiInstance.Graphic({
//幾何對象
geometry: point,
//樣式
symbol: markerSymbol,
//屬性字段
attributes: attributes,
});
return graphic;
},
/**
* wkt轉點的文字的圖形(Graphic)
* @param apiInstance api
* @param wkt wkt
* @param style 樣式
* @param sr 空間參考
* @param attributes 屬性字段值(可空)
*/
wktToTextGraphic: function (apiInstance, wkt, style, sr, attributes) {
//wkt轉點的幾何對象
let point = comm.geometry.wktToPoint(apiInstance, wkt, sr);
//生成點樣式,TextSymbol=文字樣式
let markerSymbol = new apiInstance.TextSymbol(
style,
);
//生成圖形
let graphic = new apiInstance.Graphic({
//幾何對象
geometry: point,
//樣式
symbol: markerSymbol,
//屬性字段
attributes: attributes,
});
return graphic;
},
/**
* wkt轉點的圖片的圖形(Graphic)
* @param apiInstance api
* @param wkt wkt
* @param style 樣式
* @param sr 空間參考
* @param attributes 屬性字段值(可空)
*/
wktToPicGraphic: function (apiInstance, wkt, style, sr, attributes) {
//wkt轉點的幾何對象
let point = comm.geometry.wktToPoint(apiInstance, wkt, sr);
//生成點樣式,PictureMarkerSymbol=圖片點樣式
let pictureMarkerSymbol = new apiInstance.PictureMarkerSymbol(
style,
);
//生成圖形
let graphic = new apiInstance.Graphic({
//幾何對象
geometry: point,
//樣式
symbol: pictureMarkerSymbol,
//屬性字段
attributes: attributes,
});
return graphic;
},
/**
* wkt轉點幾何對象
* @param apiInstance api
* @param wkt wkt
* @param sr 空間參考
* @returns {apiInstance.Polyline}
*/
wktToPoint: function (apiInstance, wkt, sr) {
//wkt轉座標對象
let points = comm.geometry.wktToCoords(wkt);
//生成線
let point = new apiInstance.Point({
//座標
x: points[0],
y: points[1],
//空間參考
spatialReference: sr
});
return point;
},
/**
* 座標集合轉點幾何對象
* @param apiInstance api
* @param wkt wkt
* @param sr 空間參考
* @returns {apiInstance.Polyline}
*/
coordToPoint: function (apiInstance, coord, sr) {
//生成線
let point = new apiInstance.Point({
//座標
x: coord[0],
y: coord[1],
//空間參考
spatialReference: sr
});
return point;
},
/**
* 根據x y新建點幾何對象
* @param apiInstance api
* @param wkt wkt
* @param sr 空間參考
* @returns {apiInstance.Polyline}
*/
xyToPoint: function (apiInstance, x, y, sr) {
//生成線
let point = new apiInstance.Point({
//座標
x: x,
y: y,
//空間參考
spatialReference: sr
});
return point;
},
/**
* 點轉wkt
* @param geometry
* @returns {string}
*/
pointToWkt: function (geometry) {
return "POINT (" + geometry.x + " " + geometry.y + ")";
},
/**
* 線幾何對象轉線的圖形(Graphic)
* @param apiInstance api
* @param wkt wkt
* @param style 樣式
* @param sr 空間參考
* @param attributes 屬性字段值(可空)
*/
polylineToPolylineGraphic: function (apiInstance, geometry, style, sr, attributes) {
//生成線樣式
let lineSymbol = new apiInstance.SimpleLineSymbol(
style,
);
//生成圖形
let graphic = new apiInstance.Graphic({
//幾何對象
geometry: geometry,
//樣式
symbol: lineSymbol,
//屬性字段
attributes: attributes,
});
return graphic;
},
/**
* wkt轉線的圖形(Graphic)
* @param apiInstance api
* @param wkt wkt
* @param style 樣式
* @param sr 空間參考
* @param attributes 屬性字段值(可空)
*/
wktToPolylineGraphic: function (apiInstance, wkt, style, sr, attributes) {
//wkt轉線的幾何對象
let polyline = comm.geometry.wktToPolyline(apiInstance, wkt, sr);
//生成線樣式
let lineSymbol = new apiInstance.SimpleLineSymbol(
style,
);
//生成圖形
let graphic = new apiInstance.Graphic({
//幾何對象
geometry: polyline,
//樣式
symbol: lineSymbol,
//屬性字段
attributes: attributes,
});
return graphic;
},
/**
* wkt轉線幾何對象
* @param apiInstance api
* @param wkt wkt
* @param sr 空間參考
* @returns {apiInstance.Polyline}
*/
wktToPolyline: function (apiInstance, wkt, sr) {
//wkt轉座標對象
let points = comm.geometry.wktToCoords(wkt);
//生成線
let polyline = new apiInstance.Polyline({
//座標
paths: points,
//空間參考
spatialReference: sr
});
return polyline;
},
/**
* 座標轉線幾何對象
* @param apiInstance api
* @param coord 座標對象,格式如:[[[113.545949, 22.24015749], [113.56989, 22.24916], [113.55324, 22.220588]]]
* @param sr 空間參考
* @returns {apiInstance.Polyline}
*/
coordToPolyline: function (apiInstance, coord, sr) {
//生成線
let polyline = new apiInstance.Polyline({
//座標
paths: coord,
//空間參考
spatialReference: sr
});
return polyline;
},
/**
* 線轉wkt
* @param geometry
* @returns {string}
*/
polylineToWkt: function (geometry) {
var wkt = [];
var paths = geometry.paths;
for (var i in paths) {
var path = paths[i];
for (var j in path) {
var p = path[j];
wkt.push(p.join(" "));
}
}
return "LINESTRING (" + wkt.join(",") + ")";
},
/**
* wkt轉面的圖形(Graphic)
* @param apiInstance api
* @param wkt wkt
* @param style 樣式
* @param sr 空間參考
* @param attributes 屬性字段值(可空)
*/
wktToPolygonGraphic: function (apiInstance, wkt, style, sr, attributes) {
//wkt轉面的幾何對象
let polygon = comm.geometry.wktToPolygon(apiInstance, wkt, sr);
//生成面樣式
let fillSymbol = new apiInstance.SimpleFillSymbol(
style,
);
//生成圖形
let graphic = new apiInstance.Graphic({
//幾何對象
geometry: polygon,
//樣式
symbol: fillSymbol,
//屬性字段
attributes: attributes,
});
return graphic;
},
/**
* 面幾何對象轉面的圖形(Graphic)
* @param apiInstance api
* @param wkt wkt
* @param style 樣式
* @param sr 空間參考
* @param attributes 屬性字段值(可空)
*/
polygonToPolygonGraphic: function (apiInstance, geometry, style, sr, attributes) {
//生成面樣式
let fillSymbol = new apiInstance.SimpleFillSymbol(
style,
);
//生成圖形
let graphic = new apiInstance.Graphic({
//幾何對象
geometry: geometry,
//樣式
symbol: fillSymbol,
//屬性字段
attributes: attributes,
});
return graphic;
},
/**
* wkt轉面幾何對象
* @param apiInstance api
* @param wkt wkt
* @param sr 空間參考
* @returns {apiInstance.Polygon}
*/
wktToPolygon: function (apiInstance, wkt, sr) {
//wkt轉座標對象
let points = comm.geometry.wktToCoords(wkt);
//生成面
let polygon = new apiInstance.Polygon({
//座標
rings: points,
//空間參考
spatialReference: sr
});
return polygon;
},
/**
* 座標對象轉面幾何對象
* @param apiInstance api
* @param coord 座標對象 格式是arcgis jsapi標準,例如:[[[113.527839, 22.27028], [113.527238, 22.2557786], [113.5437178, 22.2597268], [113.54423, 22.2730306], [113.527839, 22.27028]]]
* @param sr 空間參考
* @returns {apiInstance.Polygon}
*/
coordToPolygon: function (apiInstance, coord, sr) {
//生成面
let polygon = new apiInstance.Polygon({
//座標
rings: coord,
//空間參考
spatialReference: sr
});
return polygon;
},
/**
* 面轉wkt
* @param geometry
* @returns {string}
*/
polygonToWkt: function (geometry) {
let wkt = [];
let rings = geometry.rings;
for (let i in rings) {
let ring = rings[i];
for (let j in ring) {
let p = ring[j];
wkt.push(p.join(" "));
}
}
return "POLYGON ((" + wkt.join(",") + "))";
},
/**
* wkt轉座標對象
* PS:座標對象是arcgis jsapi格式
* @param wkt
* @returns {*}
*/
wktToCoords: function (wkt) {
var features, type, str;
wkt = wkt.replace(/[\n\r]/g, " ");
var matches = comm.geometry.regExes.typeStr.exec(wkt);
if (matches) {
type = matches[1].toLowerCase();
str = matches[2];
if (comm.geometry.parse[type]) {
features = comm.geometry.parse[type].apply(this, [str]);
}
}
return features;
},
/**
* wkt轉座標對象的正則表單式
*/
regExes: {
'typeStr': /^\s*(\w+)\s*\(\s*(.*)\s*\)\s*$/,
'spaces': /\s+/,
'parenComma': /\)\s*,\s*\(/,
'doubleParenComma': /\)\s*\)\s*,\s*\(\s*\(/, // can't use {2} here
'trimParens': /^\s*\(?(.*?)\)?\s*$/
},
/**
* wkt轉座標對象
*/
parse: {
'point': function (str) {
var coords = comm.util.trim(str).split(comm.geometry.regExes.spaces);
for (var i in coords)
coords[i] = Number(coords[i]);
return coords;//new esri.geometry.Point(coords[0], coords[1]);
},
'pointzm': function (str) {
var coords = comm.util.trim(str).split(comm.geometry.regExes.spaces);
for (var i in coords)
coords[i] = Number(coords[i]);
return coords.slice(0, 2);//new esri.geometry.Point(coords[0], coords[1]);
},
'linestring': function (str) {
var points = comm.util.trim(str).split(',');
var components = [];
for (var i = 0, len = points.length; i < len; ++i) {
components.push(comm.geometry.parse.point.apply(this, [points[i]]));
}
return components//new esri.geometry.Polyline(components);
},
'linestringzm': function (str) {
var points = comm.util.trim(str).split(',');
var components = [];
for (var i = 0, len = points.length; i < len; ++i) {
components.push(comm.geometry.parse.pointzm.apply(this, [points[i]]));
}
return components//new esri.geometry.Polyline(components);
},
'multilinestring': function (str) {
var line;
var lines = comm.util.trim(str).split(comm.geometry.regExes.parenComma);
var components = [];
for (var i = 0, len = lines.length; i < len; ++i) {
line = lines[i].replace(comm.geometry.regExes.trimParens, '$1');
components.push(comm.geometry.parse.linestring.apply(this, [line]));
}
return components;
},
'polygon': function (str) {
var ring, linestring, linearring;
var rings = comm.util.trim(str).split(comm.geometry.regExes.parenComma);
var components = [];
for (var i = 0, len = rings.length; i < len; ++i) {
ring = rings[i].replace(comm.geometry.regExes.trimParens, '$1');
linestring = comm.geometry.parse.linestring.apply(this, [ring]);
components.push(linestring);
}
return components;
}
},
},
//通用
util: {
trim: function (str) {
return str.replace(/^\s\s*/, '').replace(/\s\s*$/, '');
}
}
};
module.exports = comm;