关于北极地投影的,自定义一个投影,一放大操作,图上的要素就都不见了,在超图桌面里操作
以下是投影文件的信息:
< ?xml version="1.0" encoding="GB2312"?><SuperMapProjection xmlns:sml="http://www.supermap.com/sml" sml:Version="20090106">
< sml:CoordinateReferenceSystem>
< sml:Name>North_Pole_Stereographic</sml:Name>
< sml:Type>-1</sml:Type>
< sml:EPSGCode>0</sml:EPSGCode>
< sml:Units>METER</sml:Units>
< sml:DistUnits>METER</sml:DistUnits>
< sml:GeographicCoordinateSystem>
< sml:Name>GCS_WGS_1984</sml:Name>
< sml:Type>4326</sml:Type>
< sml:Units>DEGREE</sml:Units>
< sml:DistUnits>METER</sml:DistUnits>
< sml:HorizontalGeodeticDatum>
< sml:Name>D_WGS_1984</sml:Name>
< sml:Type>6326</sml:Type>
< sml:Spheroid>
< sml:Name>WGS_1984</sml:Name>
< sml:Type>7030</sml:Type>
< sml:SemiMajorAxis>6378137</sml:SemiMajorAxis>
< sml:InverseFlattening>298.257223563</sml:InverseFlattening>
< /sml:Spheroid>
< /sml:HorizontalGeodeticDatum>
< sml:PrimeMeridian>
< sml:Name>Greenwich</sml:Name>
< sml:Type>8901</sml:Type>
< sml:PrimeMeridian>0</sml:PrimeMeridian>
< /sml:PrimeMeridian>
< /sml:GeographicCoordinateSystem>
< sml:MapProjection>
< sml:Name>Azimuthal_Equidistant</sml:Name>
< sml:Type>43032</sml:Type>
< /sml:MapProjection>
< sml:Parameters>
< sml:FalseEasting>0</sml:FalseEasting>
< sml:FalseNorthing>0</sml:FalseNorthing>
< sml:CentralMeridian>180</sml:CentralMeridian>
< sml:StandardParallel1>0</sml:StandardParallel1>
< sml:StandardParallel2>0</sml:StandardParallel2>
< sml:ScaleFactor>0</sml:ScaleFactor>
< sml:CentralParallel>90</sml:CentralParallel>
< sml:Azimuth>0</sml:Azimuth>
< sml:FirstPointLongitude>0</sml:FirstPointLongitude>
< sml:SecondPointLongitude>0</sml:SecondPointLongitude>
< /sml:Parameters>
< /sml:CoordinateReferenceSystem>
< /SuperMapProjection>