Thanks Hamish. Also thanks for the new screenshot page. We're getting closer to being able to make a map like that, but still a ways off. I think Martin's got some good ideas for GRASS 7 cartography.
Michael On 9/26/07 2:03 AM, "Hamish" <[EMAIL PROTECTED]> wrote: > Hi, > > I just added a few bits and pieces to ps.map and the labeling system. > > - added a new symbol: extra/n_arrow1, based on the 'd.barscale -n' > north arrow head by Huidae Cho. (see attached ps.map screenshot) > more symbol info at http://grass.gdf-hannover.de/wiki/IconSymbols > > - ps.map's text instruction can now rotate the text > > - ps.map's text instruction now supports full RGB color triplets > > - v.label, d.labels, and ps.map labels now support full RGB color > triplets for labels, and allow wider borders > > - v.label will now use the vector map's name if not specified > > - d.labels now supports border widths. > !! the default width is 1.0, which can lead to ugly rotated boxes. > Use a width of 0 if you want nice clean boxes with d.labels on xmons. > Sorry, it's due to the way R_line_width() goes, not much I can > do about it without removing the functionality in d.labels. > > - [dev] I added some helper functions in d.paint.labels/color.c for > working with RGBA_Color structs. Maybe these should be made into > lib/ fns? If so, some peer review & better fn names would be nice. > http://freegis.org/cgi-bin/viewcvs.cgi/grass6/display/d.paint.labels/color.c > > > FWIW, here are the ps.map instructions used in the screenshot. The ring > is just the circle symbol placed concentrically with the north arrow. > The map info box is constructed using the rectangle, scalebar, and text > instructions. > > ps.map -r out=test.ps << EOF > scale 1:100000 > geogrid 2 m > color grey > numbers 2 > end > #... > scalebar s > where 2.4 5.8 > length 4000 > segment 4 > end > text 13.5% 16.5% meters > background white > end > text 13.5% 27% SCALE: 1:100,000 > background white > end > rectangle 3.4% 14% 24% 31% > fcolor white > width 0.5 > end > #... > point 11.9% 48% > symbol extra/n_arrow1 > rotate 4.4 > fcolor black > size 15 > end > text 11.5% 53.5% N > rotate 4.4 > end > point 11.9% 48% > symbol basic/circle > fcolor none > size 35 > end > end > EOF > > > If we add x% y% placement to the scalebar instruction those can be > scripted into little helper tools for auto-generation. > > > FWIW2, I still support the writing of a wxPython GUI frontend to write & > run ps.map scripts. I think the task isn't hard, just tedious. (PDF as a > save option would be nice too, could convert behind the scenes if the > right tools are present) The PS driver is nice and all, but the d.* > modules just aren't as pretty as ps.map, and the PS driver still has some > rendering issues. With GRASS 7 maybe the PS driver gets much nicer, I'd > put off discussing the dropping of ps.map until then. The two only > conflict for mindshare so little reason to drop it early IMO. > > e.g. when d.* can recreate something as nice as this new cartography > screenshot by Willem van Mierlo, we'll talk :) > http://grass.itc.it/screenshots/cartography.php > (the page will show up on the server in the next hour or two) > > (disclosure: ps.map couldn't make that either; two ps.map outputs were > merged with transparency in the GIMP. This was because PostScript doesn't > support vector area transparency. Apparently PDF 1.4+ does ....) > > > Hamish __________________________________________ Michael Barton, Professor of Anthropology Director of Graduate Studies School of Human Evolution & Social Change Center for Social Dynamics & Complexity Arizona State University phone: 480-965-6213 fax: 480-965-7671 www: http://www.public.asu.edu/~cmbarton _______________________________________________ grassuser mailing list [email protected] http://grass.itc.it/mailman/listinfo/grassuser
