I have committed new warping methods average and mode to trunk, this will be part of gdal-1.10
On Tue, Apr 9, 2013 at 10:01 AM, Etienne Tourigny <etourigny....@gmail.com>wrote: > The patch works successfully - it was a build environment problem. > > > On Mon, Apr 8, 2013 at 3:17 AM, John Twilley <math...@gmail.com> wrote: > >> Thank you, Etienne, for writing this code. I greatly appreciate it! >> >> I updated my svn checkout, then applied your patch with no errors. I >> tried to warp my landcover files which use color tables (which is why mode >> is so important to me) and they did not work. Here is the output: >> >> jmt@nala:~/git/mathuin/TopoMC$ /home/jmt/svn/gdal/apps/.libs/gdalwarp >> --debug -multi -tr 6 6 -te 2087232 2395968 2104512 2410176 -r mode >> regions/Provincetown/Datasets/L1L.tif L1L-new.tif >> Copying color table from regions/Provincetown/Datasets/L1L.tif to new >> file. >> Creating output file that is 2880P x 2368L. >> Processing input file regions/Provincetown/Datasets/L1L.tif. >> Warning: Input file regions/Provincetown/Datasets/L1L.tif has a color >> table, which will likely lead to bad results when using a resampling method >> other than nearest neighbour. Converting the dataset prior to 24/32 bit is >> advised. >> ERROR 5: GDALWarpOptions.Validate() >> eResampleArg=6 is not a supported value. >> jmt@nala:~/git/mathuin/TopoMC$ >> >> Let me know if I can provide any additional information to help you out! >> >> Jack. >> >> -- >> mathuin at gmail dot com >> >> >> On Sun, Apr 7, 2013 at 1:19 PM, Etienne Tourigny <etourigny....@gmail.com >> > wrote: >> >>> I have implemented mode and average warping algorithms, based on those >>> used in overview creation. >>> >>> http://trac.osgeo.org/gdal/ticket/5049 >>> >>> This code has been tested on a few datasets (see attachments) with all >>> datatypes (Byte, Int, Float) but not all cases have been looked into (e.g. >>> color tables, various projections). >>> >>> Any feedback and testing would be appreciated. >>> >>> Cheers >>> Etienne >>> >>> >>> On Wed, Mar 27, 2013 at 6:13 PM, John Twilley <math...@gmail.com> wrote: >>> >>>> I'm interested in this feature request as well. Adding the mode >>>> resampling algorithm to gdalwarp would be very beneficial to my projects, >>>> right up there with being able to access the warp API from Python. Is this >>>> at all possible? Should I submit a feature request on Trac, or what? Just >>>> let me know! >>>> >>>> Jack. >>>> >>>> -- >>>> mathuin at gmail dot com >>>> >>>> >>>> On Mon, Feb 18, 2013 at 8:17 AM, Jan Hartmann <j.l.h.hartm...@uva.nl>wrote: >>>> >>>>> >>>>> Hi devs, >>>>> >>>>> Would it be possible to add gauss and other interpolations to >>>>> gdalwarp? At the moment I georeference large scans to 2000*2000 tiles at >>>>> the most detailed scale, and then create 2000*2000 tiles at resolutions of >>>>> 2, 4 6 etc times the original scale, using gdaladdo and gauss or other >>>>> interpolations. It would help immensely if I could do that directly with >>>>> gdalwarp. >>>>> >>>>> >>>>> Funding would probably no problem. The question is: can and should it >>>>> be done? >>>>> >>>>> Jan >>>>> >>>>> >>>>> >>>>> _______________________________________________ >>>>> gdal-dev mailing list >>>>> gdal-dev@lists.osgeo.org >>>>> http://lists.osgeo.org/mailman/listinfo/gdal-dev >>>>> >>>> >>>> >>>> _______________________________________________ >>>> gdal-dev mailing list >>>> gdal-dev@lists.osgeo.org >>>> http://lists.osgeo.org/mailman/listinfo/gdal-dev >>>> >>> >>> >> >
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