[mapserver-users] WCS layer units question...

[Carl Godkin]

Hi,

I have a local WCS & WMS server.

I am trying to figure out if I can somehow define the Z units of a terrain
layer I'm serving.

The single band from the individual GeoTIFF files providing the terrain
data looks like this (from gdalinfo):

Band 1 Block=512x512 Type=Float32, ColorInterp=Gray
  Description = Layer_1
  NoData Value=-999999
  Unit Type: m     <===================================== units are meters
  Metadata:
    LAYER_TYPE=athematic
    RepresentationType=ATHEMATIC

but when I download a GeoTIFF using a WCS GetCoverage request on this
layer, the GeoTIFF's single band just looks like this:

Band 1 Block=571x3 Type=Float32, ColorInterp=Gray

without "Unit Type."

I also tried using
   UNITS Meters
in my LAYER definition in my map file (copying an example I found among the
case studies on the web site) but it didn't seem to have any effect.

Is there some way to define and retrieve the Z units for a WCS server?

Thanks very much.

carl
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