Is this link of help? http://mapserver.org/input/raster.html#special-processing-directives
There's a directive to extract a single band from an n-band image... Steve -----Original Message----- From: mapserver-users-boun...@lists.osgeo.org [mailto:mapserver-users-boun...@lists.osgeo.org] On Behalf Of Peter Willis Sent: Friday, January 29, 2010 10:41 AM To: mapserver-users@lists.osgeo.org Subject: Re: [mapserver-users] How to serve individual RAW binary Bands fromWCS as floating point geotiff Hello, Interesting... The documentation indicates: &RangeSubset=contents:nearest[Band[120]] I tried what you suggest but continue to have the same problem. The mapserver *did not* complain about '&RESAMPLE=BILINEAR&Band=120' so I guess we can assume that those parameters work. Peter Rahkonen Jukka wrote: > Hi, > > I have never used this myself: &RangeSubset=contents:nearest[Band[120]] > Is that WCS 1.0.0 parameter? For selecting bands from WCS 1.0.0 service I > have been using something like > &RESAMPLE=BILINEAR&Band=4 > > -Jukka Rahkonen- > > > -----Alkuperäinen viesti----- > Lähettäjä: mapserver-users-boun...@lists.osgeo.org puolesta: Peter Willis > Lähetetty: pe 29.1.2010 0:26 > Vastaanottaja: mapserver-users@lists.osgeo.org > Aihe: Re: [mapserver-users] How to serve individual RAW binary Bands fromWCS > as floating point geotiff > > Hello, > > The definition of GEOTIFF_FLOAT is as follows: > > OUTPUTFORMAT > NAME GEOTIFF_FLOAT > DRIVER "GDAL/GTiff" > MIMETYPE "application/octet-stream" > IMAGEMODE FLOAT32 > END > > I Added the MIMETYPE as shown to ensure that web browsers > would ask to save the file rather than just open it in an > image viewer from a temp file. (MS Windows...) > > That part works fine. > > > Mostly I am concerned with extracting a specific 'band' > from the multi-band file. The server serves floating point > geotiff just fine. > > Peter > > > Rahkonen Jukka wrote: >> Hi, >> >> How have you defined the OUTPUTFORMAT for GEOTIFF_FLOAT? >> >> -Jukka Rahkonen- >> >> >> Peter Willis wrote: >> >> >>> Hello, >>> I have been setting up a WCS map file for mapserver. >>> PROBLEM: >>> Problems arise when rasters are defined >>> as follows: >> LAYER >> NAME SomeDataChannel120 >> STATUS OFF >> DEBUG ON >> TYPE RASTER ### required >> PROCESSING "BANDS=120" >> METADATA >> "wcs_label" "Data/stuff" >> "wcs_rangeset_name" 'bands' >> "wcs_rangeset_label" "Stuff thats mapped" >> "ows_extent" '-135 55 -121 46' >> "wcs_resolution" '0.08333333333333332 -0.083333333333333332' >> "ows_srs" 'EPSG:4326' >> "wcs_srs" 'EPSG:4326' >> "wcs_formats" 'GEOTIFF_FLOAT,GEOTIFF_INT16' >> "wcs_nativeformat" 'ENVI' >> # "wcs_bandcount" '563' >> "wcs_rangeset_axes" 'bands' >> END >> DATA /data/stuff.img >> PROJECTION >> "init=epsg:4623" >> END >> DUMP TRUE ### required >> END >> >> >> I have 'wcs_bandcount' commented out because mapserver >> causes an internal error in the web server if I define the >> band count. >> >> I get floating point geotiff served with the following client request: >> http://sparky.com/cgi-bin/wcs?REQUEST=GetCoverage&SERVICE=WCS&VERSION=1.0.0&COVERAGE=SomeDataChannel120&CRS=EPSG:4326&BBOX=-135,55,-121,46&WIDTH=432&HEIGHT=216&FORMAT=GEOTIFF_FLOAT&RangeSubset=contents:nearest[Band[120]] >> >> ..however, I always only get the first band from the img file.... >> >> >> QUESTIONS: >> >> Is there a problem with this setup? >> >> Do I need to define each band as a layer in the mapfile >> or will mapserver WCS allow the client to request a single >> channel? >> >> Thanks for any enlightenment, >> >> Peter > _______________________________________________ > mapserver-users mailing list > mapserver-users@lists.osgeo.org > http://lists.osgeo.org/mailman/listinfo/mapserver-users > > > > _______________________________________________ mapserver-users mailing list mapserver-users@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/mapserver-users _______________________________________________ mapserver-users mailing list mapserver-users@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/mapserver-users