Excellent! Very cool method. I've used multiple classes for vectors but didn't think about it for rasters. Thanks for the advice.
- John *********************************************** John Callahan, Research Scientist Delaware Geological Survey, University of Delaware URL: http://www.dgs.udel.edu ************************************************* On Mon, Oct 17, 2011 at 3:05 PM, Smith, Michael ERDC-CRREL-NH < [email protected]> wrote: > John, > > I got a larger color range by using multiple classes > > LAYER > NAME "hillshade" > TYPE raster > TILEINDEX > "/benchmarking/wms/2011/data/raster/DEM/bil_16int/dem_bil16int.shp" > PROCESSING "CLOSE_CONNECTION=DEFER" > PROJECTION > "+init=epsg:4326" > END > CLASS > STYLE > COLORRANGE 46 154 88 251 255 128 > DATARANGE 1003 1800 > END > END > CLASS > STYLE > COLORRANGE 251 255 128 224 108 31 > DATARANGE 1800 2800 > END > END > CLASS > STYLE > COLORRANGE 224 108 31 200 55 55 > DATARANGE 2800 3500 > END > END > CLASS > STYLE > COLORRANGE 200 55 55 215 244 244 > DATARANGE 3500 4397 > END > END > END > > > From: John Callahan <[email protected]> > Date: Mon, 17 Oct 2011 14:54:13 -0400 > To: "[email protected]" <[email protected]> > Subject: Re: [mapserver-users] gradient display of raster DEM data > > Thanks for all your responses. I have COLORRANGE / DATARANGE working fine > in my map file. Works very well. I'm also looking at using gdaldem for a > more custom color scale. Thanks again. > > - John > > *********************************************** > John Callahan, Research Scientist > Delaware Geological Survey, University of Delaware > URL: http://www.dgs.udel.edu > ************************************************* > > > > On Fri, Oct 14, 2011 at 5:49 PM, Smith, Michael ERDC-CRREL-NH < > [email protected]> wrote: > >> John >> >> The DATARANGE / COLORRANGE keywords will be fully documented by 6.2 but >> they have been present in MapServer for years (since 4.6 or so). >> >> We used DATARANGE / COLORRANGE for dem display in this years FOSS4G WMS >> Benchmarking effort. >> >> Mike >> >> -- >> Michael Smith >> US Army Corps >> Remote Sensing GIS/Center >> >> From: John Callahan <[email protected]> >> Date: Fri, 14 Oct 2011 16:55:59 -0400 >> >> To: <[email protected]> >> Subject: [mapserver-users] gradient display of raster DEM data >> >> I know this has been asked before but I thought I'd ask to see if >> anything changed. >> >> I'm looking to display a raster digital elevation model in mapserver. >> My data is in flat files, img and tiff. I'd like to display this data as a >> continuous gradient color range, rather than using CLASS categories/bins for >> specific colors. Is it still tru ethat this is not possible, easily? >> >> One method (passed to me on this list) was too generate the colored >> image I want in another program, using GMT or similar tool, then use that in >> mapserver. This seems like the best option but is non-trivial to someone >> who hasn't done this before. (though not terribly difficult.) >> >> I also read about the use of DATARANGE and COLORRANGE in mapserver. >> However, these are not in the documentation. Are these available in trunk >> only? A ticket was generated that seems to say this will be included with >> MS 6.2. (http://trac.osgeo.org/mapserver/ticket/1305) Any insight on >> whether this is still the plan? >> >> >> Thanks for your help and advice. >> >> - John >> >> *********************************************** >> John Callahan, Research Scientist >> Delaware Geological Survey, University of Delaware >> URL: http://www.dgs.udel.edu >> ************************************************* >> >> _______________________________________________ mapserver-users mailing >> list [email protected] >> http://lists.osgeo.org/mailman/listinfo/mapserver-users >> > > _______________________________________________ mapserver-users mailing > list [email protected] > http://lists.osgeo.org/mailman/listinfo/mapserver-users >
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