[mapserver-users] DEM

[Jean-Christophe Malapert]

Hi,

I have a DEM with the following information:
PROJCS["SimpleCylindrical Moon",
    GEOGCS["GCS_Moon",
        DATUM["D_Moon",
            SPHEROID["Moon",1737400,0]],
        PRIMEM["Reference_Meridian",0],
        UNIT["degree",0.0174532925199433]],
    PROJECTION["Equirectangular"],
    PARAMETER["latitude_of_origin",0],
    PARAMETER["central_meridian",0],
    PARAMETER["standard_parallel_1",0],
    PARAMETER["false_easting",0],
    PARAMETER["false_northing",0],
    UNIT["metre",1,
        AUTHORITY["EPSG","9001"]]]
Origin = (-5458203.076000000350177,2729101.538000000175089)
Pixel Size = (118.450587586805568,-118.450587586805568)
Metadata:
  AREA_OR_POINT=Area
Image Structure Metadata:
  INTERLEAVE=BAND
Corner Coordinates:
Upper Left  (-5458203.076, 2729101.538) (180d 0' 0.00"W, 90d 0' 0.00"N)
Lower Left  (-5458203.076,-2729101.538) (180d 0' 0.00"W, 90d 0' 0.00"S)
Upper Right ( 5458203.076, 2729101.538) (180d 0' 0.00"E, 90d 0' 0.00"N)
Lower Right ( 5458203.076,-2729101.538) (180d 0' 0.00"E, 90d 0' 0.00"S)
Center      (   0.0000000,   0.0000000) (  0d 0' 0.01"E,  0d 0' 0.01"N)
Band 1 Block=92160x1 Type=Int16, ColorInterp=Gray
  NoData Value=-32768
  Offset: 0,   Scale:0.5

>From my understanding of the DEM information, each pixel value must be
multiplied by 0.5. If I want to access to my DEM through the WCS protocol,
how can I say to mapserver to multiply each value by 0.5 so that my client
displays the right values ? If it is not possible, is there a way to have
this information in the getCapabilities ?

Thanks a lot,
Jean-Christophe
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