On Mon, 20 Apr 2009 09:19:04 -0700 (PDT) "Curt, WE7U" <[email protected]> wrote:
> > I looked into it once. One option, the quick one, was to double the > > height and width of the drawing canvas, the use ImageMagick or > > Graphicsmagick to scale it down. > > The algorithm for scaling down by 2 doesn't sound difficult, but > maybe they do something special like look at the surrounding pixels > and vote to determine the final pixel. In any case we should be > able to do it in C very quickly using the same algorithm that IM or > GM use. Building a higher resolution canvas and scaling it down for display would also be useful for producing prettier printouts of maps, only the scaling factor for that purpose would be more like 4. (300dpi/72dpi). -Paul -- Paul J. Morris Biodiversity Informatics Manager Harvard University Herbaria/Museum of Comparative Zoölogy [email protected] AA3SD PGP public key available _______________________________________________ Xastir-dev mailing list [email protected] http://lists.xastir.org/cgi-bin/mailman/listinfo/xastir-dev
