Thanks Ben and Francesco. The zorder option didn't work, I'll use mayavi or try to make it work as is. And as for setting the z axis limits, I found that that line has to be placed after all plotting commands in the script.
Benjamin Root-2 wrote: > > Ananduri, > > On Fri, Jun 15, 2012 at 8:47 AM, ananduri <arun.nand...@gmail.com> wrote: > >> >> Hello, >> >> I have some minor questions regarding matplotlib. I'm using it to make a >> 3d >> plot, displaying a surface, it's contour map, a line climbing the surface >> and its projection onto the contour map. >> >> http://old.nabble.com/file/p34015720/landscape_draft.pnglandscape_draft.png >> >> As you can see, when the lines cross the contourf, they are somewhat >> obscured. Before I made the contourf transparent, the lines were blocked, >> even though they were above the contour plot when I viewed the picture >> from >> a different angle. Can this be fixed? I want the lines to appear on top >> of >> the contour plot. >> >> > Unfortunately, no. Matplotlib was originally designed as a 2D layering > renderer. The mplot3d toolkit tries to work within that framework, but in > the end, each artist object has to be represented by a single 3rd > dimension > coordinate (the layer), and so when two artists share bounding box > regions, > physically incorrect results will happen. Please see this FAQ: > > http://matplotlib.sourceforge.net/mpl_toolkits/mplot3d/faq.html#my-3d-plot-doesn-t-look-right-at-certain-viewing-angles > > > >> Also, I am trying to extend the z axis to be lower. This is most of the >> code >> I'm using: >> >> fig=plt.figure(1) >> ax=fig.gca(projection='3d') >> >> x=np.arange(0,2.5,.02) >> y=np.arange(0,2.3,.02) >> x,y=np.meshgrid(x,y) >> >> ax.plot_surface(x,y,Z(x,y),alpha=0.3) >> >> cset=ax.contourf(x,y,Z(x,y),zdir='z',offset=-2, >> cmap=plt.cm.jet,levels=np.linspace(0,9,100),alpha=0.5) >> >> ax.set_xlabel('x') >> ax.set_ylabel('y') >> >> ax.set_zlim(-2,8) #This is where I try to change the z axis limits. >> >> plt.show() >> >> I'm excluding the code which plots the lines. ax.set_zlim doesn't do >> anything; why is this? >> > > That would depend on which version of matplotlib you are using. The > v1.1.x > branch should have that working properly. > > Cheers! > Ben Root > > ------------------------------------------------------------------------------ > Live Security Virtual Conference > Exclusive live event will cover all the ways today's security and > threat landscape has changed and how IT managers can respond. Discussions > will include endpoint security, mobile security and the latest in malware > threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/ > _______________________________________________ > Matplotlib-users mailing list > Matplotlib-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/matplotlib-users > > -- View this message in context: http://old.nabble.com/3d-contourf-and-ax.set-tp34015720p34024704.html Sent from the matplotlib - users mailing list archive at Nabble.com. ------------------------------------------------------------------------------ Live Security Virtual Conference Exclusive live event will cover all the ways today's security and threat landscape has changed and how IT managers can respond. Discussions will include endpoint security, mobile security and the latest in malware threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/ _______________________________________________ Matplotlib-users mailing list Matplotlib-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/matplotlib-users
