never mind. Got it working. One annoying thing, though, when the line reaches the edge of the figure, a line is drawn horizontally to the other side. This doesn't happen when I display all of the points at once.
Mathew Mathew Yeates wrote: > something isn't working > In my main routine I have > xpt,ypt= m(lons[0:500],lats[0:500]) > outlines=m.plot(xpt,ypt,'r-') #m is my basemap, outlines is a list of > size 1. Huh? > > then in my update routine I have > counter=0 > def update(): > global counter > xpt,ypt= > m(lons[counter*500:(counter+1)*500],lats[counter*500:(counter+1)*500]) > counter += 1 > outlines[0].set_data(xpt,ypt) > canvas.draw_idle() > return True > > but this produces strange results. After a few iterations the line > disappears completely. Is it wrong to use lists when I get xpt and ypt? > > Mathew > > > > > > Jeff Whitaker wrote: > >> Mathew Yeates wrote: >> >>> Hi >>> >>> I see the example of updating a plot in >>> examples/animation/gtk_timeout.py where the 2 lines >>> ---- >>> line.set_ydata(np.random.rand(10)) >>> fig.canvas.draw_idle() >>> ---- >>> >>> >>> What is the equivalent when I want to update a Basemap with new >>> latitudes and longitudes and I have done >>> m=Basemap(......) >>> m.plot(longitude_list,latitude_list) >>> >>> Thanks >>> Mathew >>> >>> >> Mathew: The Basemap plot method returns a list of matplotlib Line2d >> objects which you can use just as in the example. >> >> -Jeff >> >> > > > > ------------------------------------------------------------------------- > 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
