This has now been fixed in SVN. See the example/pylab_examples/image_clip_path.py for usage.
Mike Federico Milano wrote: > Dear Mike, > > thanks a lot for the information. > > Best wishes, > > Federico > > > > Michael Droettboom wrote: > >> Unfortunately, clip paths are not implemented for the Agg backend. >> Other backends (Ps, Pdf, Svg) may work, but I haven't tried that in a >> while. >> >> I've spent a few tries trying to come up with the magic Agg >> incantation to make this work. It's not really documented in Agg, but >> it should theoretically be possible. It would take someone probably >> to dig through the Agg source code and figure it out. Any volunteers? ;) >> >> Cheers, >> Mike >> >> Federico Milano wrote: >> >>> Dear All, >>> >>> I am a new user of python and of matplotlib, so, please excuse me if I >>> am asking a trivial question. >>> >>> I am trying to use the funciton imshow to plot a temperature map of the >>> voltage levels of an electrical grid. After creating the grid data >>> using "meshgrid" and "griddata" functions, "imshow" works nicely and >>> fills up the whoe axes box. >>> >>> Since, I also have the border line of the electrical grid (in the form >>> of a closed polygon coordinates), my next step is to clip the >>> temperature map using this polygon as a patch. Thus, I have created a >>> Path instance with the polygon coordinates, subsequently, a PathPatch >>> instance, say "patch". >>> >>> Finally, I call the imshow function using the Artist options >>> "clip_on=True" and "clip_path=patch". I was expecting that imshow would >>> have filed up only the region inside the polygon, but imshow is still >>> mapping the full figure axis box, i.e., the plots with and without the >>> clip_path option are identical. >>> >>> What am I missing or doing wrong? >>> >>> Thank you very much in advance for any help, >>> >>> Best wishes, >>> >>> Federico >>> >>> >>> >>> ------------------------------------------------------------------------- >>> >>> This SF.Net email is sponsored by the Moblin Your Move Developer's >>> challenge >>> Build the coolest Linux based applications with Moblin SDK & win >>> great prizes >>> Grand prize is a trip for two to an Open Source event anywhere in the >>> world >>> http://moblin-contest.org/redirect.php?banner_id=100&url=/ >>> _______________________________________________ >>> Matplotlib-users mailing list >>> Matplotlib-users@lists.sourceforge.net >>> https://lists.sourceforge.net/lists/listinfo/matplotlib-users >>> >>> > > ------------------------------------------------------------------------- > This SF.Net email is sponsored by the Moblin Your Move Developer's challenge > Build the coolest Linux based applications with Moblin SDK & win great prizes > Grand prize is a trip for two to an Open Source event anywhere in the world > http://moblin-contest.org/redirect.php?banner_id=100&url=/ > _______________________________________________ > Matplotlib-users mailing list > Matplotlib-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/matplotlib-users > -- Michael Droettboom Science Software Branch Operations and Engineering Division Space Telescope Science Institute Operated by AURA for NASA ------------------------------------------------------------------------- This SF.Net email is sponsored by the Moblin Your Move Developer's challenge Build the coolest Linux based applications with Moblin SDK & win great prizes Grand prize is a trip for two to an Open Source event anywhere in the world http://moblin-contest.org/redirect.php?banner_id=100&url=/ _______________________________________________ Matplotlib-users mailing list Matplotlib-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/matplotlib-users
