From d74b495736f0c04522ec54274b70fed0ded2878d Mon Sep 17 00:00:00 2001
From: zhongrj <646384940@qq.com>
Date: Tue, 27 Jun 2023 11:30:06 +0800
Subject: [PATCH] 任务新增导出
---
public/map/widgets/map/TianDiTuLayer.js | 176 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 176 insertions(+), 0 deletions(-)
diff --git a/public/map/widgets/map/TianDiTuLayer.js b/public/map/widgets/map/TianDiTuLayer.js
new file mode 100644
index 0000000..b7ac5bf
--- /dev/null
+++ b/public/map/widgets/map/TianDiTuLayer.js
@@ -0,0 +1,176 @@
+define(['esri/layers/TiledMapServiceLayer',
+ 'esri/SpatialReference',
+ 'esri/geometry/Extent',
+ 'esri/layers/TileInfo',
+ 'dojo',
+ "dojo/_base/lang",
+ "dojo/on"
+ ],
+ function(TiledMapServiceLayer,
+ SpatialReference,
+ Extent,
+ TileInfo,
+ dojo,
+ lang,
+ on
+ ){
+
+ return dojo.declare("TianDiTuLayer", TiledMapServiceLayer, {
+ _mercatortype:"geo",//geo|mercator
+ url:"",
+ _layer:"",
+ displayLevels:[],//从0开始
+ _levelIndex:null,
+ _extentChangeHandler:null,
+ constructor: function(mercatortype,url,layer,options) {
+ this.mercatortype = mercatortype;
+ this.url = url;
+ this._layer = layer;
+ this._tilematrixSet="";
+ this.format="tiles",
+ lang.mixin(this, options);
+ if(this.displayLevels && this.displayLevels.length>0){
+ this._levelIndex={};
+ for(var i=0;i<this.displayLevels.length;i++){
+ this._levelIndex[this.displayLevels[i]]=this.displayLevels[i];
+ }
+ }
+ if(mercatortype == "geo")
+ {
+ this.spatialReference = new SpatialReference({ wkid:4326 });
+ this.initialExtent = (this.fullExtent = new Extent(-180.0, -90.0, 180.0, 90.0, this.spatialReference));
+ if(!this._tilematrixSet)
+ this._tilematrixSet = "c";
+ this.tileInfo = new TileInfo({
+ "rows" : 256,
+ "cols" : 256,
+ "dpi" : 90.71428571428571,
+ "format" : "PNG32",
+ "compressionQuality" : 0,
+ "origin" : {
+ "x" : -180,
+ "y" : 90
+ },
+ "spatialReference" : {
+ "wkid" : 4326
+ },
+ "lods" : [
+ {"level" : 1, "resolution" : 0.703125, "scale" : 295497593.05875003},
+ {"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" : 0.000002682209014892578, "scale":1127.2338602399827}
+ // {"level" : 20, "resolution" : 0.000001341104507446289, "scale":563.6169301199914}
+ ]
+ });
+ }
+ else
+ {
+ this.spatialReference = new SpatialReference({ wkid:3857 });
+ this.fullExtent = this.initialExtent = new esri.geometry.Extent(-20037508.3427892,-20037508.3427892,20037508.3427892,20037508.3427892, new esri.SpatialReference({
+ wkid: 3857
+ }))
+ if(!this._tilematrixSet)
+ this._tilematrixSet = "w";
+ this.tileInfo = new esri.layers.TileInfo({
+ "dpi": 96, //必须，否则图错 90.71428571427429
+ "rows" : 256,
+ "cols" : 256,
+ "compressionQuality" : 0,
+ "origin" : {
+ "x" : -20037508.3427892,
+ "y" : 20037508.342787
+ },
+ "spatialReference" : {
+ "wkid" : 3857
+ },
+ "lods" : [
+ {"level" : 1, "resolution" : 78271.51696402048, "scale" : 2.958293554545656E8},
+ {"level" : 2, "resolution" : 39135.75848201024, "scale" : 1.479146777272828E8},
+ {"level" : 3, "resolution" : 19567.87924100512, "scale" : 7.39573388636414E7},
+ {"level" : 4, "resolution" : 9783.93962050256, "scale" : 3.69786694318207E7},
+ {"level" : 5, "resolution" : 4891.96981025128, "scale" : 1.848933471591035E7},
+ {"level" : 6, "resolution" : 2445.98490512564, "scale" : 9244667.357955175},
+ {"level" : 7, "resolution" : 1222.99245256282, "scale" : 4622333.678977588},
+ {"level" : 8, "resolution" : 611.49622628141, "scale" : 2311166.839488794},
+ {"level" : 9, "resolution" : 305.748113140705, "scale" : 1155583.419744397},
+ {"level" : 10, "resolution" : 152.8740565703525, "scale" : 577791.7098721985},
+ {"level" : 11, "resolution" : 76.43702828517625, "scale" : 288895.85493609926},
+ {"level" : 12, "resolution" : 38.21851414258813, "scale" : 144447.92746804963},
+ {"level" : 13, "resolution" : 19.109257071294063, "scale" : 72223.96373402482},
+ {"level" : 14, "resolution" : 9.554628535647032, "scale" : 36111.98186701241},
+ {"level" : 15, "resolution" : 4.777314267823516, "scale" : 18055.990933506204},
+ {"level" : 16, "resolution" : 2.388657133911758, "scale" : 9027.995466753102},
+ {"level" : 17, "resolution" :1.194328566955879, "scale" : 4513.997733376551},
+ {"level" : 18, "resolution" :0.5971642834779395, "scale" : 2256.998866688275},
+ {"level" : 19, "resolution" : 0.298582738909933, "scale": 1128.49943336487}
+ // {"level" : 20, "resolution" : 0.1492913694549665, "scale": 564.249716682435}
+ ]});
+ }
+
+ this.loaded = true;
+ this.onLoad(this);
+ },
+
+ getTileUrl: function(level, row, col) {
+ var url=
+ this.url+"?SERVICE=WMTS&VERSION=1.0.0&REQUEST=GetTile&FORMAT="+this.format+"&TILEMATRIXSET="+this._tilematrixSet
+ +"&STYLE=default&LAYER="
+ +this._layer+"&TILEMATRIX="
+ +(level)
+ +"&TILEROW="
+ +row
+ +"&TILECOL="
+ +col;
+
+ return url;
+
+ },
+ setDisplayLevels:function(value)
+ {
+ this.displayLevels=value;
+ this._levelIndex={};
+ if(!this.displayLevels){
+ this._levelIndex=null;
+ return;
+ }
+ for(var i=0;i<this.displayLevels.length;i++){
+ this._levelIndex[this.displayLevels[i]]=this.displayLevels[i];
+ }
+ },
+ _setMap: function(a, c, d, b) {
+ var map=a;
+ //控制显示级别
+ this._extentChangeHandler = map.on("extent-change",lang.hitch(this,function(evt){
+ if(evt.levelChange){
+ if(this._levelIndex && !this._levelIndex[evt.lod.level])
+ {
+ this.hide();
+ }else
+ {
+ this.show();
+ }
+ }
+ }));
+ return this.inherited(arguments);
+ },
+ _unsetMap: function(a, c) {
+ this._extentChangeHandler.remove();
+ this.inherited(arguments);
+ }
+ });
+});
--
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