Hi again! The mapfile we are using is about 10 000 lines of code so I have not attached that file. I can send the map file privatly, but I rather not put it on the mailing list. However, I have added the main map file, the palette file and the output format file.
Espen 2009/11/7 Thomas Bonfort <[email protected]>: > Espen, > please provide the complete mapfile and actual palette file that were > used for the images you produced. > looking at the code there's no reason another color should be picked > if it was provided in the palette file, so either you're doing > something wrong in your mapfile/palette combination, either there's a > bug in the code somewhere. > > thomas > www.camptocamp.com > +33 5 16 57 01 02 > > > > On Sat, Nov 7, 2009 at 11:48, Espen Isaksen <[email protected]> wrote: >> Is this the only way to make it work correctly? It seems a lot easier >> to extract all the RGB colors we use from the map file and add that to >> the palette file? That is what we have done now, and it will be a lot >> more work to actually extract the colors from all the different map >> images we then have to create(different colors going from mountain >> areas, forest areas down to urban areas). >> >> Espen >> >> >> >> 2009/11/6 Steve Lime <[email protected]>: >>> Correct. My palette creation process has been to: >>> >>> 1) create a master image that shows as many possible rendering outputs as >>> possible as a 24-bit PNG. >>> >>> 2) use a tool to reduce the colors in that image to the desired number and >>> create a 8-bit file. In my case >>> I use PhotoShop and produce a gif. Here's a link to the one I used for our >>> rec. compass app but after >>> color reduction to 128 colors. >>> >>> http://maps.dnr.state.mn.us/compass/remove/compass_color_master.gif >>> >>> 3) extract a palette from the 8-bit image. I wrote a little perl script >>> that processes gdalinfo output. >>> >>> 4) my outputformat block is like so: >>> >>> OUTPUTFORMAT >>> NAME png >>> DRIVER "AGG/PNG" >>> MIMETYPE "image/png" >>> IMAGEMODE RGB >>> EXTENSION "png" >>> FORMATOPTION "INTERLACE=OFF" >>> FORMATOPTION "PALETTE_FORCE=TRUE" >>> FORMATOPTION "PALETTE=/mapserver/compass/compass.palette" >>> END >>> >>> I've not had problems with this method... >>> >>> It's possible there's a bug but it's going to be difficult to fix without a >>> good test case. >>> >>> Steve >>> >>>>>> On 11/6/2009 at 9:52 AM, in message >>> <[email protected]>, Espen Isaksen >>> <[email protected]> wrote: >>>> Sorry, this still creates trouble. And you have omitted >>>> >>>> FORMATOPTION "PALETTE_FORCE=TRUE" >>>> >>>> on this one. That means it does not use the palette file right? >>>> >>>> Espen >>>> >>>> >>>> 2009/11/6 Stephen Woodbridge <[email protected]>: >>>>> Espen, >>>>> >>>>> Try using this: >>>>> >>>>> OUTPUTFORMAT >>>>> NAME agg >>>>> DRIVER "AGG/PNG" >>>>> MIMETYPE "image/png" >>>>> IMAGEMODE RGB >>>>> FORMATOPTION "INTERLACE=false" >>>>> FORMATOPTION "QUANTIZE_FORCE=ON" >>>>> FORMATOPTION "QUANTIZE_DITHER=OFF" >>>>> FORMATOPTION "QUANTIZE_COLORS=256" >>>>> FORMATOPTION "PALETTE=/data/maps/palette.txt" >>>>> END >>>>> >>>>> And see if it does what you want. Also note that I use "ON" and note >>>>> "TRUE" >>>>> as the value of "QUANTIZE_FORCE", but I'm not sure if the matters or not. >>>>> >>>>> -Steve >>>>> >>>>> Espen Isaksen wrote: >>>>>> >>>>>> Yes, that is what we have been doing all along. I guess I never should >>>>>> have mentioned our testing with putting lots of colors in the palette >>>>>> file, as it just confuses people :-) >>>>>> >>>>>> So forget our testing, we have only put the colors we use in the >>>>>> mapfile once in the palette file(attached in the first mail), and the >>>>>> error in the color is like on the map I attached(first mail). >>>>>> >>>>>> Espen >>>>>> >>>>>> >>>>>> >>>>>> 2009/11/6 Thomas Bonfort <[email protected]>: >>>>>>> >>>>>>> Stephen Woodbridge replied to this thread, and gave the correct usage >>>>>>> of the palette file: set the same colors in your palette file as in >>>>>>> your mapfile. >>>>>>> >>>>>>> regards, >>>>>>> >>>>>>> thomas >>>>>>> >>>>>>> www.camptocamp.com >>>>>>> +33 5 16 57 01 02 >>>>>>> >>>>>>> >>>>>>> >>>>>>> On Fri, Nov 6, 2009 at 14:24, Espen Isaksen <[email protected]> >>>>>>> wrote: >>>>>>>> >>>>>>>> Justed wanted to bring this question into attention again since we did >>>>>>>> not get a solution to the problem, and we have not found one either. >>>>>>>> >>>>>>>> Could this possibly be a bug in Mapserver? Should we report it? >>>>>>>> >>>>>>>> Espen >>>>>>>> >>>>>>>> >>>>>>>> >>>>>>>> 2009/10/28 Espen Isaksen <[email protected]>: >>>>>>>>> >>>>>>>>> Hi! >>>>>>>>> >>>>>>>>> We are testing out using a palette file in our outputformat to >>>>>>>>> decrease file size in the png output. Most of the time this works >>>>>>>>> great, but some times when we are tiling the data we get some errors. >>>>>>>>> The color seem to shift to a similar color from one tile to another. >>>>>>>>> >>>>>>>>> We have added the colors we use in the map file in the palette.txt >>>>>>>>> file. The documentation says it needs 256 colors in the map file, but >>>>>>>>> we do not use that many colors right now. (we tried adding the same >>>>>>>>> color more than one time, but that created other problems....) >>>>>>>>> >>>>>>>>> I have attached a png file showing the problem across a lake. The >>>>>>>>> color on the right side is the correct color and the color we have >>>>>>>>> added to the palette file. The color on the left side of the lake is >>>>>>>>> not something we have set. >>>>>>>>> >>>>>>>>> I have also added the palette.txt file and the outputformat we use is >>>>>>>>> this: >>>>>>>>> >>>>>>>>> OUTPUTFORMAT >>>>>>>>> NAME "png" >>>>>>>>> DRIVER "AGG/PNG" >>>>>>>>> MIMETYPE "image/png" >>>>>>>>> IMAGEMODE "rgb" >>>>>>>>> EXTENSION "png" >>>>>>>>> FORMATOPTION "PALETTE_FORCE=TRUE" >>>>>>>>> FORMATOPTION >>>>>>>>> "PALETTE=/data/maps/palette.txt" >>>>>>>>> END >>>>>>>>> >>>>>>>>> Does anybody know why this happens in Mapserver and how to fix it? >>>>>>>>> >>>>>>>>> Espen >>>>>>>>> >>>>>>>> _______________________________________________ >>>>>>>> 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 >>> >> _______________________________________________ >> mapserver-users mailing list >> [email protected] >> http://lists.osgeo.org/mailman/listinfo/mapserver-users >> >
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map.map
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output_format.map
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