The limits don't get automatically adjusted when using add_patch(). You could do something like:
plt.gca().set_xlim(min([x for x, y in vertices]), max([x for x, y in vertices])) plt.gca().set_ylim(min([y for x, y in vertices]), max([y for x, y in vertices])) Again, vlines will do all this for you. Mike Amitava Maity wrote: > Thanks, > > Being a novice, I am trying the first thing in the example > gallery > that caught my eye. Vlines does seem to be a better option. But > what's > puzzling me is why do I get just a plot of the axes with the > following > code? Where are the vertical lines that I am looking for? > > > > from matplotlib import path > from matplotlib import patches > from matplotlib import pyplot as plt > > codes = (1, 2, 1, 2, 1, 2, 1, 2, 1, 2, 1, 2, 1, 2, 1, 2, 1, 2, 1, > 2) > vertices = ((39525.540000000001, 144.91), (39525.540000000001, > 161.352), > (39874.5, 149.5), (39874.5, 166.142), (40205.0, 150.41), > (40205.0, > 167.05199999999999), (40518.449999999997, 149.36000000000001), > (40518.449999999997, 166.00200000000001), (40828.0, > 148.50999999999999), (40828.0, 165.15199999999999), > (41173.239999999998, 151.16), (41173.239999999998, 167.602), > (41510.0, > 150.09), (41510.0, 166.732), (41858.0, 146.25), (41858.0, > 162.892), > (42158.0, 152.63999999999999), (42158.0, 169.28199999999998), > (42486.889999999999, 155.22999999999999), (42486.889999999999, > 171.672)) > > patch = patches.PathPatch(path.Path(vertices, codes)) > plt.gca().add_patch(patch) > plt.show() > > > On Thu, 30 Oct 2008 Michael Droettboom wrote : > >> If your first tuple is "codes", and second is "vertices", >> >> You can do: >> >> from matplotlib import path >> from matplotlib import patches >> from matplotlib import pyplot as plt >> >> patch = patches.PathPatch(path.Path(vertices, codes)) >> plt.gca().add_patch(patch) >> plt.show() >> >> >> However... rather than going through all that, have you >> considered >> > using vlines? That will save you the trouble of generating all > the > data in that format yourself. > >> http://matplotlib.sourceforge.net/api/pyplot_api.html#matplotlib.pypl >> > ot.vlines > >> Cheers, >> Mike >> >> Amitava Maity wrote: >> >>> Hello list, >>> >>> I have generated the following tuples: >>> >>> (1, 2, 1, 2, 1, 2, 1, 2, 1, 2, 1, 2, 1, 2, 1, 2, 1, 2, 1, 2) >>> ((39525.540000000001, 144.91), (39525.540000000001, 161.352), >>> (39874.5, 149.5), (39874.5, 166.142), (40205.0, 150.41), >>> (40205.0, >>> 167.05199999999999), (40518.449999999997, 149.36000000000001), >>> (40518.449999999997, 166.00200000000001), (40828.0, >>> 148.50999999999999), (40828.0, 165.15199999999999), >>> (41173.239999999998, 151.16), (41173.239999999998, 167.602), >>> > (41510.0, > >>> 150.09), (41510.0, 166.732), (41858.0, 146.25), (41858.0, >>> 162.892), >>> (42158.0, 152.63999999999999), (42158.0, 169.28199999999998), >>> (42486.889999999999, 155.22999999999999), (42486.889999999999, >>> 171.672)) >>> >>> How do I use the Matplotlib.path class to draw a set of >>> disconnected >>> vertical lines? >>> >>> Thanks in advance, >>> AMaity. >>> >>> -------------------------------------------------------------------- >>> > ----- > >>> 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 > -- 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
