Alignment Issue when using BaseMap

RonanCrowley — Thu, 14 Oct 2010 15:22:40 GMT

Hi,

I'm having issues using the ESRI JavaScript API aligning my data above it.

My data aligns perfectly with the ERSI MapServer Imagery (See attachment Align_1.png)

However, when I activate the TileBaseMapServiceLayer the data becomes misaligned (See attachment Align_2.png)

I'm trying to investigate why this is happening.

The BaseLayer is in spatial reference 102100 and the MapServer is in spatial reference 3857, but according to the documentation these are both identical.

3857 WGS_1984_Web_Mercator_Auxiliary_Sphere
PROJCS["WGS_1984_Web_Mercator_Auxiliary_Sphere",GEOGCS["GCS_WGS_1984",DATUM["D_WGS_1984",SPHEROID["WGS_1984",6378137.0,298.257223563]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],PROJECTION["Mercator_Auxiliary_Sphere"],PARAMETER["False_Easting",0.0],PARAMETER["False_Northing",0.0],PARAMETER["Central_Meridian",0.0],PARAMETER["Standard_Parallel_1",0.0],PARAMETER["Auxiliary_Sphere_Type",0.0],UNIT["Meter",1.0]]

102100 WGS_1984_Web_Mercator_Auxiliary_Sphere
PROJCS["WGS_1984_Web_Mercator_Auxiliary_Sphere",GEOGCS["GCS_WGS_1984",DATUM["D_WGS_1984",SPHEROID["WGS_1984",6378137.0,298.257223563]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],PROJECTION["Mercator_Auxiliary_Sphere"],PARAMETER["False_Easting",0.0],PARAMETER["False_Northing",0.0],PARAMETER["Central_Meridian",0.0],PARAMETER["Standard_Parallel_1",0.0],PARAMETER["Auxiliary_Sphere_Type",0.0],UNIT["Meter",1.0]]

Thanks,
Ronan

topic Alignment Issue when using BaseMap in ArcGIS JavaScript Maps SDK Questions

Alignment Issue when using BaseMap