Frank Warmerdam wrote: > Aihe: Re: [mapserver-users] Two questions about WMS and outputformats > > Rahkonen Jukka wrote: > > Hi, > > > > By default, without having any OUTPUTFORMAT sections in the > mapfile, > > Mapserver is advertising following imageformats in WMS > GetCapabilities > > document: > > > > <GetMap> > > <Format>image/gif</Format> > > <Format>image/png</Format> > > <Format>image/png; mode=24bit</Format> > > <Format>image/jpeg</Format> > > <Format>image/vnd.wap.wbmp</Format> > > <Format>image/tiff</Format> > > <Format>image/svg+xml</Format> > > > > Some users have been confused because WMS client builds menu items > > according to that list, but at least "image/png; mode 24bit" and > > "image/tiff" do not give any output. What is the reason to include > > these formats in getCapabilities by default, if they do not work > > without creating OUTPUTFORMATs in the mapfile first? > > Jukka, > > I don't know why image/tiff and image/png; mode=24bit would not work. > Perhaps you could file a ticket with minimal details to > reproduce this problem. Please include the mapserv -v string > in the ticket so I can try to reproduce a similar scenario. > Assign the ticket directly to me.
I repeated the test in a more controlled way. Image/tiff works, but image/png; mode=24bit does not work. The other advertised format that does not work is image/svg xml. > > Second question is about JPEG outputformat. It works > through GD with > > these settings OUTPUTFORMAT > > NAME "jpeg" > > MIMETYPE "image/jpeg" > > DRIVER "GD/JPEG" > > EXTENSION "jpg" > > IMAGEMODE RGB > > END > > > > If I change driver to "GDAL/JPEG" I get this error on ms > errorlog [Mon > > Mar 16 11:16:05 2009].825000 msSaveImageGDAL(): General > error message. > > Failed to create output JPEG file. > > JPEG driver doesn't support 4 bands. Must be 1 (grey) or 3 > (RGB) bands. > > > > What makes GDAL/JPEG driver to believe that I want 4 bands? > Or is it > > just best to use DG/JPEG always? > > I'm surprised. This should not occur with IMAGEMODE RGB. I > would appreciate your also filing a ticket on this issue and > assigning it to me. It does occur with the Mapserver versions I was testing (5.2.0, 5.2.1 and 5.3-dev). I am filing two tickets. -Jukka- _______________________________________________ mapserver-users mailing list [email protected] http://lists.osgeo.org/mailman/listinfo/mapserver-users
