ArcGIS切片服务获取切片方案xml文件（conf.xml）
在使用ArcGIS进行影像、地形等切片时，往往需要保持一致的切片方案才能够更好的加载地图服务。
本文介绍如何获取已经发布好的ArcGIS服务的切片方案xml文件。
当然切片xml文件还可以通过工具Generate Tile Cache Tiling Scheme生成，具体操作可参考相关文档，本文不做说明。
示例服务地址：http://localhost:6080/arcgis/rest/services/test/globaltdt5/MapServer
有两种方式获取切片方案xml文件：
1、如果能够直接登录到发布服务的ArcGIS服务器，可以通过服务器对应的文件夹找到conf.xml文件
文件路径（具体路径根据安装情况确定）:D:arcgisserverdirectoriesarcgiscachetest_globaltdt5LayersConf.xml
2、如果只是提供了一个服务访问地址，无法登录到指定机器，可通过url获取：
http://localhost:6080/arcgis/rest/directories/arcgiscache/test_globaltdt5/Layers/Conf.xml
说明：rest/directories/arcgiscache对应ArcGIS服务器上的arcgiscache目录：
test_globaltdt5为目录+服务名称：
LayersConf.xml为服务目录下的固定名称
注意：不建议使用多种不同切片方案，尤其做三维系统，不论是基于cesium还是基于ArcGIS，建议使用ogc标准的切片方案。
目前大多数都是使用以下切片方案，建议使用该方案（ogc_2000_start_0.xml）：
xml version="1.0" encoding="UTF-8"?> -TileCacheInfo xmlns:typens="http://www.esri.com/schemas/ArcGIS/10.5" xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:type="typens:TileCacheInfo"> -SpatialReference xsi:type="typens:GeographicCoordinateSystem"> WKT>GEOGCS["GCS_China_Geodetic_Coordinate_System_2000",DATUM["D_China_2000",SPHEROID["CGCS2000",6378137.0,298.257222101]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433],AUTHORITY["EPSG",4490]]WKT> XOrigin>-400XOrigin> YOrigin>-400YOrigin> XYScale>11258999068426.24XYScale> ZOrigin>-100000ZOrigin> ZScale>10000ZScale> MOrigin>-100000MOrigin> MScale>10000MScale> XYTolerance>8.9831528411952133e-009XYTolerance> ZTolerance>0.001ZTolerance> MTolerance>0.001MTolerance> HighPrecision>trueHighPrecision> LeftLongitude>-180LeftLongitude> WKID>4490WKID> LatestWKID>4490LatestWKID> SpatialReference> -TileOrigin xsi:type="typens:PointN"> X>-180X> Y>90Y> TileOrigin> TileCols>256TileCols> TileRows>256TileRows> DPI>96DPI> -LODInfos xsi:type="typens:ArrayOfLODInfo"> -LODInfo xsi:type="typens:LODInfo"> LevelID>0LevelID> Scale>295497593.05874997Scale> Resolution>0.70312500000000011Resolution> LODInfo> -LODInfo xsi:type="typens:LODInfo"> LevelID>1LevelID> Scale>147748796.52937579Scale> Resolution>0.35156250000000194Resolution> LODInfo> -LODInfo xsi:type="typens:LODInfo"> LevelID>2LevelID> Scale>73874398.264687896Scale> Resolution>0.17578125000000097Resolution> LODInfo> -LODInfo xsi:type="typens:LODInfo"> LevelID>3LevelID> Scale>36937199.132343948Scale> Resolution>0.087890625000000486Resolution> LODInfo> -LODInfo xsi:type="typens:LODInfo"> LevelID>4LevelID> Scale>18468599.566171981Scale> Resolution>0.043945312500000264Resolution> LODInfo> -LODInfo xsi:type="typens:LODInfo"> LevelID>5LevelID> Scale>9234299.7830859888Scale> Resolution>0.021972656250000125Resolution> LODInfo> -LODInfo xsi:type="typens:LODInfo"> LevelID>6LevelID> Scale>4617149.8915429944Scale> Resolution>0.010986328125000062Resolution> LODInfo> -LODInfo xsi:type="typens:LODInfo"> LevelID>7LevelID> Scale>2308574.9457714972Scale> Resolution>0.0054931640625000312Resolution> LODInfo> -LODInfo xsi:type="typens:LODInfo"> LevelID>8LevelID> Scale>1154287.4728857479Scale> Resolution>0.0027465820312500139Resolution> LODInfo> -LODInfo xsi:type="typens:LODInfo"> LevelID>9LevelID> Scale>577143.73644287419Scale> Resolution>0.0013732910156250076Resolution> LODInfo> -LODInfo xsi:type="typens:LODInfo"> LevelID>10LevelID> Scale>288571.86822143709Scale> Resolution>0.00068664550781250379Resolution> LODInfo> -LODInfo xsi:type="typens:LODInfo"> LevelID>11LevelID> Scale>144285.9341107186Scale> Resolution>0.00034332275390625206Resolution> LODInfo> -LODInfo xsi:type="typens:LODInfo"> LevelID>12LevelID> Scale>72142.967055359273Scale> Resolution>0.00017166137695312595Resolution> LODInfo> -LODInfo xsi:type="typens:LODInfo"> LevelID>13LevelID> Scale>36071.483527679637Scale> Resolution>8.5830688476562974e-005Resolution> LODInfo> -LODInfo xsi:type="typens:LODInfo"> LevelID>14LevelID> Scale>18035.741763839818Scale> Resolution>4.2915344238281487e-005Resolution> LODInfo> -LODInfo xsi:type="typens:LODInfo"> LevelID>15LevelID> Scale>9017.8708819199092Scale> Resolution>2.1457672119140744e-005Resolution> LODInfo> -LODInfo xsi:type="typens:LODInfo"> LevelID>16LevelID> Scale>4508.9354409599546Scale> Resolution>1.0728836059570372e-005Resolution> LODInfo> -LODInfo xsi:type="typens:LODInfo"> LevelID>17LevelID> Scale>2254.4677204799768Scale> Resolution>5.364418029785185e-006Resolution> LODInfo> -LODInfo xsi:type="typens:LODInfo"> LevelID>18LevelID> Scale>1127.2338602399891Scale> Resolution>2.6822090148925942e-006Resolution> LODInfo> -LODInfo xsi:type="typens:LODInfo"> LevelID>19LevelID> Scale>563.61693011999444Scale> Resolution>1.3411045074462967e-006Resolution> LODInfo> LODInfos> PreciseDPI>96PreciseDPI> TileCacheInfo>
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