Landsat image tiffs

Zenon Panoussis oracle at PROVOCATION.NET
Fri Aug 18 23:43:11 PDT 2006


Zenon Panoussis wrote:

> In a map that displays etopo and srtm tiffs without problems,
> I have this layer:

>  LAYER
>    NAME "landsat"
>    TYPE RASTER
>    STATUS DEFAULT
>    DATA "007068_15me[suffix].tif"
>  END

> mapserver refuses to display this particular layer no matter what I do.

The base map uses UNITS DD. Experimenting on, I added

PROJECTION
  "proj=utm"
  "ellps=WGS84"
  "datum=WGS84"
  "zone=18"
  "units=m"
  "south"
  "no_defs"
END

to the layer. The layer was still not displayed. I then went in the
opposite direction, removed the projection definition from the layer
and run

  gdalwarp -t_srs '+proj=latlong' old.tif new.tif

Now mapserver actually displays the raster, but only as a solid-colour
orange square.

I've already been barking up so many trees trying to get this to work,
and there's still a whole forest left. Does anyone have a sample layer
and creation command for landsat images, and would be willing to post
it here?

Z



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