Jeff McKenna wrote:
Alans wrote:
Can anyone tell me how to use ASRP maps in mapserver, or point me at some
relevant documentation. The GDAL list of supported raster formats
indicates
that this should be possible
(http://www.gdal.org/frmt_various.html#SRP) but
I can't find any instructions as to how to specify this format in a
LAYER of
a .map file.
Hello Alans,
Interesting. I have never used that format but I can give some hints.
First, you should execute 'gdalinfo --formats' on your server to check
if you has SRP support. Look for something like "SRP (ro) : Standard
Raster Product (ASRP/USRP)" in the returned list of formats; this will
verify that your local MapServer/GDAL build can read the ASRP format.
Next, you can point to the image in your mapfile layer, such as (and I'm
guessing this, as I don't have your data to test):
LAYER
NAME "ASRP"
DATA "myfile.img"
TYPE RASTER
STATUS ON
END
(a good document for you to read about raster support in MapServer is
http://www.mapserver.org/input/raster.html)
Finally, you could test your mapfile with the shp2img commandline
utility, to see any error reports
(http://www.mapserver.org/utilities/shp2img.html)
I hope this helps you a little.
-jeff
Sorry Alans,
I forgot an import step:
After verifying SRP support with 'gdalinfo --formats', next step is to
see if GDAL can read your exact file, by using gdalinfo again:
gdalinfo myfile.img
You should see some info returned such as Size, Pixel Size,
Coordinates...etc.
Then you can focus on your mapfile layer.
-jeff
--
Jeff McKenna
FOSS4G Consulting and Training Services
http://www.gatewaygeomatics.com/
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