第openlayers實現(xiàn)圖標拖動獲取坐標app.Dtotype.handleUpEvent=function(){

dataResult={"coordinatex":this.coordinate_[0],"coordinatey":this.coordinate_[1]};

this.coordinate_=null;

this.feature_=null;

returnfalse;

*@desc定義坐標系統(tǒng)與范圍

varworldExtent=[-180,-90,180,90];//世界范圍

varprojection=j.get("EPSG:4326");//4326坐標

varprojectionExtent=projection.getExtent();

*@desc去掉第0層的天地圖分辨率信息，不會出現(xiàn)縮放到最后是空白的現(xiàn)象

vartdtResolutions=[0.02197265625,0.010986328125,0.0054931640625,

0.00274658203125,0.001373291015625,0.0006866455078125,

0.00034332275390625,0.000171661376953125,0.0000858306884765625,

0.00004291534423828125,0.000021457672119140625,

0.0000107288360595703125,0.00000536441802978515625,0.000002682209014892578125,0.0000013411045074462890625

*@desc與分辨率信息需要每層嚴格對應起來

varmatrixIds=[6,7,8,9,10,11,12,13,14];

varmatrixIdszj=[15,16,17,18,19,20]

*@desc天地圖格網(wǎng)信息

vartdtGrid=newol.tilegrid.WMTS({

origin:ol.extent.getTopLeft(projectionExtent),

resolutions:tdtResolutions.slice(0,9),

matrixIds:matrixIds

vartdtGridzj=newol.tilegrid.WMTS({

origin:ol.extent.getTopLeft(projectionExtent),

resolutions:tdtResolutions.slice(9,15),

matrixIds:matrixIdszj

*@desc國家天地圖圖層

varwmtsVecLayer=newol.layer.Tile({

source:newol.source.WMTS({

layer:'vec',

style:'default',

version:'1.0.0',

matrixSet:'c',

format:'tiles',

url:'http://t{0-6}./vec_c/wmtstk=key',

tileGrid:tdtGrid,

wrapX:true

minResolution:0.0000858306884765625,

maxResolution:0.02197265625

varwmtsAnnoLayer=newol.layer.Tile({

source:newol.source.WMTS({

layer:'cva',

style:'default',

version:'1.0.0',

matrixSet:'c',

format:'tiles',

url:'http://t{0-6}./cva_c/wmtstk=key',

tileGrid:tdtGrid,

wrapX:true

minResolution:0.0000858306884765625,

maxResolution:0.02197265625

*@desc浙江天地圖圖層

varzJVecLayer=newol.layer.Tile({

source:newol.source.WMTS({

style:'default',

version:'1.0.0',

wrapX:true,

layer:'ZJEMAP',

matrixSet:'TileMatrixSet0',

format:'image/png',

url:'/ZJEMAP_2D/wmts',

tileGrid:tdtGridzj,

wrapX:true

minResolution:0.0000013411045074462890625,

maxResolution:0.0000858306884765625,

varzJAnnoLayer=newol.layer.Tile({

source:newol.source.WMTS({

style:'default',

version:'1.0.0',

wrapX:true,

layer:'ZJEMAPANNO',

matrixSet:'TileMatrixSet0',

format:'image/png',

url:'/ZJEMAPANNO_2D/w