arcgis官网在线地址加解析

链接：http://cache1.arcgisonline.cn/arcgis/rest/services

选择Service：

• ChinaOnlineStreetWarm (MapServer)

Tile Info:

• Height: 256    //瓦片大小
• Width: 256
• DPI: 96
• Levels of Detail: 20
  • Level ID: 0 [ Start Tile, End Tile ]
  • Resolution: 156543.03392800014    //分辨率，【由大到小】
  • Scale: 5.91657527591555E8
  • ................
  • Level ID: 19 [ Start Tile, End Tile ]
  • Resolution: 0.29858214164761665
  • Scale: 1128.497176
• Format: PNG        //瓦片格式
• Compression Quality: 0.0
• Origin: X: -2.0037508342787E7    
  Y: 2.0037508342787E7           //源点坐标
• Spatial Reference: 102100  (3857) //坐标系

Initial Extent:      初始化范围

XMin: -2.0037507067161843E7

YMin: -1.0388426911955345E7

XMax: 2.0037507067161843E7

YMax: 3.0240971958386205E7

Spatial Reference: 102100 

Full Extent:      总图层范围

XMin: -2.0037507067161843E7

YMin: -3.0240971958386254E7

XMax: 2.0037507067161843E7

YMax: 3.0240971958386205E7

Spatial Reference: 102100