Carlo A. Bertelli (Charta s.r.l. <bertelli <at> charta.acme.com> writes:
> > Hello, some time ago I complained with this list, asking for a better > algorithm for black and white and paletted raster maps. > While you scale the image, smaller black lines become thinner and > thinner, scaling to half size usually works without data loss but > further size reductions result into severe data loss. > I suggested introducting an "erose" option as to make thin lines > become fatter while reducing size. Hi, I would make a little study about JPEG2000 format. Wavelett compression could well suit your use case because redused resolutions are built in a different way. This page seems to have lots of sample images http://preserve.harvard.edu/massdig/hul_study/ -Jukka Rahkonen- _______________________________________________ gdal-dev mailing list gdal-dev@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/gdal-dev
