Am Fr, 2. Oktober 2009 schrieb Holger Schöner: > On Thu, 1 Oct 2009, Adam Ratcliffe wrote: > > With further experimentation it seems that 32767 does seem to be the > > correct value for the -srcnodata option. I've also found that if I > > omit the -dstnodata option from the gdalwarp command the black holes do > > not appear, presumably because the void data is then not included in > > the reprojected image. > > Thanks for working this out! Maybe you can correct the wiki page?
Thanks for improving it! > I will try out your suggestions in a few days myself (and might update > the page afterwards, if you have not done so then) ... I tried it out, and I can confirm that the void handling is improved by leaving out the -dstnodata option. Of course, artefacts are still to be seen (at least in hill-shaded and relief-colored results, that is what I tested), but they are less striking. -- Holger Schoener [email protected] _______________________________________________ Mapnik-users mailing list [email protected] https://lists.berlios.de/mailman/listinfo/mapnik-users

