Le mercredi 09 novembre 2011 20:46:54, Kevin Ward a écrit : > No, it's just a plain PNG. I was operating under the assumption that > the EXTENT and UNITS parameters in the mapfile would define the > coordinates of the source image but perhaps that is only constraining > the output? > > If that is the case, how can I go about providing georeference for an > image such as that?
PNG has no native support for georeferencing. If it is important for you, then consider using GeoTIFF as output format with GDAL/GTiff : see http://mapserver.org/mapfile/outputformat.html > > Kevin > > On Wed, Nov 9, 2011 at 11:35 AM, Fawcett, David (MPCA) > > <[email protected]> wrote: > > Is the raster georeferenced? It kind of sounds like it is using pixel > > coordinates instead of coordinates from a spatial reference system. > > > > What do you get if you run gdalinfo on the image file? > > > > David. > > > > -----Original Message----- > > From: [email protected] > > [mailto:[email protected]] On Behalf Of kablukiw > > Sent: Wednesday, November 09, 2011 1:33 PM > > To: [email protected] > > Subject: [mapserver-users] subsetted output, but I don't want that > > > > I am new to mapserver and am experiencing difficulty with the output > > being generated by mapserv.exe (using OSGeo4W). The output I am getting > > is showing a subset of the original image even though I am not > > specifying any extents that would indicate I want anything other than > > the full image. > > > > The source file is a global image 1440x720 and the output I get is also > > 1440x720 but is showing only the bottom left 180x90 pixels of the source > > image resized to 720x360 and placed in the upper right of the output > > image. > > > > http://osgeo-org.1803224.n2.nabble.com/file/n6979235/test.png example > > output > > > > It seems as if the EXTENT is affecting the extent of the output but I'm > > not sure how. I am currently testing this from the cmd line with the > > following (I have seen the same issue when testing this mapfile with > > OpenLayers): > > > > mapserv.exe -nh > > "QUERY_STRING=map=c:/OSGeo4W/apache/htdocs/kevin/lst.map&mode=map" > > > test.png > > > > My map file: > > > > MAP > > NAME "LST" > > SIZE 1440 720 > > EXTENT -180 -90 180 90 > > UNITS DD > > SHAPEPATH "c:/OSGeo4W/apache/htdocs/kevin/" > > IMAGECOLOR 255 255 255 > > IMAGETYPE PNG > > STATUS ON > > DEBUG ON > > > > LAYER > > NAME "LST" > > TYPE RASTER > > STATUS DEFAULT > > DATA "lst_1440.png" > > OFFSITE 0 0 0 > > END # LAYER > > END # MAP > > > > Any suggestions would be greatly appreciated. Thanks, > > > > Kevin > > > > -- > > View this message in context: > > http://osgeo-org.1803224.n2.nabble.com/subsetted-output-but-I-don-t-want > > -that-tp6979235p6979235.html Sent from the Mapserver - User mailing list > > archive at Nabble.com. _______________________________________________ > > 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 _______________________________________________ mapserver-users mailing list [email protected] http://lists.osgeo.org/mailman/listinfo/mapserver-users
