[Matplotlib-users] A contourf bug?

Hi Everyone, Looks like I may have run into a bug for the contourf function. I was able to reproduce the problem on two OS X systems. One was based on 10.5 and the other was on 10.4. The problem appears when you use contourf with alpha 1. With the transparency there appears to be streaks

[Matplotlib-users] ticks in Matplotlib

Hi, I'm looking into customizing the the tick positions on an imshow plot. I found that you can do this by doing img = imshow(data) img.ax.xaxis.set_ticks([100.,200.]) The problem with this method is that it moves the tick positions on the bottom and top x axis. What if I wanted to do have