vue-cesium
Version:
Vue 3.x components for CesiumJS.
226 lines (219 loc) • 7.71 kB
JavaScript
'use strict';
Object.defineProperty(exports, '__esModule', { value: true });
var TiandituMapsStyle = require('./TiandituMapsStyle.js');
var Uri = require('urijs');
function _interopDefaultLegacy (e) { return e && typeof e === 'object' && 'default' in e ? e : { 'default': e }; }
var Uri__default = /*#__PURE__*/_interopDefaultLegacy(Uri);
"use strict";
const TiandituMapsStyleUrl = {};
const TiandituMapsStyleLayer = {};
const TiandituMapsStyleID = {};
const TiandituMapsStyleFormat = {};
const TiandituMapsStyleEPSG = {};
const TiandituMapsStyleLabels = {};
class TiandituImageryProvider {
constructor(options) {
Object.keys(TiandituMapsStyle["default"]).forEach((key) => {
TiandituMapsStyleUrl[TiandituMapsStyle["default"][key]] = options.protocol + "://{s}.tianditu.gov.cn/" + TiandituMapsStyle["default"][key] + "/wmts";
TiandituMapsStyleLayer[TiandituMapsStyle["default"][key]] = TiandituMapsStyle["default"][key].slice(0, 3);
TiandituMapsStyleID[TiandituMapsStyle["default"][key]] = TiandituMapsStyle["default"][key].slice(4);
TiandituMapsStyleFormat[TiandituMapsStyle["default"][key]] = "tiles";
if (TiandituMapsStyleID[TiandituMapsStyle["default"][key]] === "w") {
TiandituMapsStyleEPSG[TiandituMapsStyle["default"][key]] = "900913";
} else {
TiandituMapsStyleEPSG[TiandituMapsStyle["default"][key]] = "4490";
}
switch (TiandituMapsStyle["default"][key]) {
case "img_w":
case "img_c":
case "cia_w":
case "cia_c":
case "cta_w":
case "cta_c":
TiandituMapsStyleLabels[TiandituMapsStyle["default"][key]] = [
"1",
"2",
"3",
"4",
"5",
"6",
"7",
"8",
"9",
"10",
"11",
"12",
"13",
"14",
"15",
"16",
"17",
"18"
];
break;
case "vec_w":
case "vec_c":
case "cva_w":
case "cva_c":
TiandituMapsStyleLabels[TiandituMapsStyle["default"][key]] = [
"1",
"2",
"3",
"4",
"5",
"6",
"7",
"8",
"9",
"10",
"11",
"12",
"13",
"14",
"15",
"16",
"17",
"18",
"19"
];
break;
case "ter_w":
case "ter_c":
TiandituMapsStyleLabels[TiandituMapsStyle["default"][key]] = ["1", "2", "3", "4", "5", "6", "7", "8", "9", "10", "11", "12", "13", "14"];
break;
case "eia_w":
case "eia_c":
case "eva_w":
case "eva_c":
case "ibo_c":
case "ibo_w":
TiandituMapsStyleLabels[TiandituMapsStyle["default"][key]] = ["1", "2", "3", "4", "5", "6", "7", "8", "9", "10"];
break;
}
});
const { Credit, Resource, defaultValue, Event, GeographicTilingScheme, WebMercatorTilingScheme } = Cesium;
options = defaultValue(options, {});
this._mapStyle = defaultValue(options.mapStyle, TiandituMapsStyle["default"].IMG_W);
this._url = options.url || defaultValue(options.url, TiandituMapsStyleUrl[this._mapStyle]);
const resource = Resource.createIfNeeded(this._url);
resource.appendForwardSlash();
this._ready = false;
this._resource = resource;
this._token = options.token;
this._layer = defaultValue(options.layer, TiandituMapsStyleLayer[this._mapStyle]);
this._style = defaultValue(options.style, "default");
this._tileMatrixSetID = defaultValue(options.tileMatrixSetID, TiandituMapsStyleID[this._mapStyle]);
this._tileMatrixLabels = defaultValue(options.tileMatrixLabels, TiandituMapsStyleLabels[this._mapStyle]);
this._format = defaultValue(options.format, TiandituMapsStyleFormat[this._mapStyle]);
this._epsgCode = TiandituMapsStyleEPSG[this._mapStyle];
this._tilingScheme = this._epsgCode === "900913" ? new WebMercatorTilingScheme() : new GeographicTilingScheme();
this._tileWidth = defaultValue(options.tileWidth, 256);
this._tileHeight = defaultValue(options.tileHeight, 256);
this._minimumLevel = defaultValue(options.minimumLevel, 0);
this._maximumLevel = defaultValue(options.maximumLevel, TiandituMapsStyleLabels[this._mapStyle].length);
this._rectangle = defaultValue(options.rectangle, this._tilingScheme.rectangle);
this._errorEvent = new Event();
const credit = defaultValue(options.credit, "\u5929\u5730\u56FE\u5168\u7403\u5F71\u50CF\u670D\u52A1");
this._credit = typeof credit === "string" ? new Credit(credit) : credit;
this._subdomains = defaultValue(options.subdomains, ["t0", "t1", "t2", "t3", "t4", "t5", "t6", "t7"]);
this._tileDiscardPolicy = options.tileDiscardPolicy;
this._ready = true;
}
getTileCredits(x, y, level) {
if (!this.ready) {
throw new Cesium.DeveloperError("getTileCredits must not be called before the imagery provider is ready.");
}
return void 0;
}
requestImage(x, y, level, request) {
if (!this.ready) {
throw new Cesium.DeveloperError("requestImage must not be called before the imagery provider is ready.");
}
const url = buildImageResource.call(this, x, y, level, request);
return Cesium.ImageryProvider.loadImage(this, url);
}
pickFeatures(x, y, level, longitude, latitude) {
return void 0;
}
get url() {
return this._resource.url;
}
get proxy() {
return this._resource.proxy;
}
get mapStyle() {
return this._mapStyle;
}
get tileWidth() {
return this._tileWidth;
}
get tileHeight() {
return this._tileHeight;
}
get maximumLevel() {
return this._maximumLevel;
}
get minimumLevel() {
return this._minimumLevel;
}
get tilingScheme() {
return this._tilingScheme;
}
get rectangle() {
return this._rectangle;
}
get errorEvent() {
return this._errorEvent;
}
get ready() {
return true;
}
// get readyPromise() {
// // return this._readyPromise
// }
get credit() {
return this._credit;
}
get hasAlphaChannel() {
return true;
}
get tileDiscardPolicy() {
return this._tileDiscardPolicy;
}
}
function buildImageResource(x, y, level, request) {
var _a;
const { combine, defined, defaultValue, queryToObject, objectToQuery } = Cesium;
const freezeObject = Object.freeze;
const options = freezeObject({
service: "WMTS",
version: "1.0.0",
request: "GetTile"
});
this._epsgCode === "900913" && (level -= 1);
const tileMatrixLabels = this._tileMatrixLabels;
const tileMatrixLabel = defined(tileMatrixLabels) ? tileMatrixLabels[level] : level.toString();
const subdomains = this._subdomains;
let url = this._url.replace("{s}", subdomains[(x + y + level) % subdomains.length]);
const uri = new Uri__default["default"](url);
let obj = queryToObject(defaultValue((_a = uri.query) == null ? void 0 : _a.call(uri), ""));
obj = combine(options, obj);
obj.tilematrix = tileMatrixLabel;
obj.layer = this._layer;
obj.style = this._style;
obj.tilerow = y;
obj.tilecol = x;
obj.tilematrixset = this._tileMatrixSetID;
obj.format = this._format;
const query = objectToQuery(obj);
url = uri.toString() + "?" + query;
defined(this._proxy) && (url = this._proxy.getURL(url));
defined(this._token) && (url += "&tk=" + this._token);
const resource = this._resource.getDerivedResource({
url,
request
});
return resource;
}
exports["default"] = TiandituImageryProvider;
//# sourceMappingURL=TiandituImageryProvider.js.map