Thanks Stan.
I read the docs (which are quite nice), but couldn't find a way to set the
ticks after the fact.
But your method worked,
Mark
On Wed, Nov 5, 2008 at 4:00 PM, Stan West <stan.west@...> wrote:
> *From:* Mark Bakker [mailto:markbak@...]
> *Sent:* Wednesday, November 05, 2008 06:25
> Hello list 
>
> I am trying to change the yticks on my colorbar (in combination with
> contourf) and cannot figure out how to do it.
>
> Short example:
>
> x,y = meshgrid(linspace(0,10),linspace(0,10))
> a = contourf(x,y,x,linspace(0,10,6))
> b = colorbar(a)
>
> This gives a nice colorbar, with ticks at 0,2,4,6,8,10
>
> But I want labels only at 0,5,10. So I thought I can change that as:
>
> b.ax.set_yticks([0,5,10])
> draw()
>
> But this gives really wacky results (totally messes up the colorbar), so
> that doesn't seem to be the way to do it.
>
> Can anybody tell me the correct way to do it?
>
> Thanks, Mark
>
> Try
>
> b = colorbar(a, ticks=linspace(0, 10, 3))
>
> Documentation is at
> http://matplotlib.sourceforge.net/api/pyplot_api.html#matplotlib.pyplot.colorbar
> .
>
