Hi Eric,
thanks a lot, that was exactly I was looking for...
Alex
On Thu, Oct 21, 2010 at 20:23, Eric Firing <efir...@hawaii.edu> wrote:
> On 10/20/2010 11:41 PM, Alexander Dietz wrote:
> > Hi,
> >
> > I am generating a scatter plot with a colorbar, and want to pass on the
> > colorbar to some function to do something with it, like
> >
> > plt.scatter(px, py, c=pz, ...)
> > cb = plt.colorbar()
> > foo(cb)
> >
> >
> > My question: How can I extract the range of the colorbar from the cb
> > object? The colorbar extends from min(pz) to max(pz), but can I access
> > these values from the cb object alone, without the need to pass pz to
> > foo as well?
>
> cb.norm.vmin
> cb.norm.vmax
>
> Or you can get the same thing from the collection returned by scatter:
>
> col = scatter(...)
> col.norm.vmin
> col.norm.vmax
>
> The colorbar uses the norm and colormap from the current image (or more
> generally, the color-mappable object), which in this case is the
> collection generated by scatter().
>
> Eric
>
> >
> >
> > Thanks
> > Alex
> >
> >
> >
> >
> ------------------------------------------------------------------------------
> > Nokia and AT&T present the 2010 Calling All Innovators-North America
> contest
> > Create new apps& games for the Nokia N8 for consumers in U.S. and
> Canada
> > $10 million total in prizes - $4M cash, 500 devices, nearly $6M in
> marketing
> > Develop with Nokia Qt SDK, Web Runtime, or Java and Publish to Ovi Store
> > http://p.sf.net/sfu/nokia-dev2dev
> >
> >
> >
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> > https://lists.sourceforge.net/lists/listinfo/matplotlib-users
>
>
>
> ------------------------------------------------------------------------------
> Nokia and AT&T present the 2010 Calling All Innovators-North America
> contest
> Create new apps & games for the Nokia N8 for consumers in U.S. and Canada
> $10 million total in prizes - $4M cash, 500 devices, nearly $6M in
> marketing
> Develop with Nokia Qt SDK, Web Runtime, or Java and Publish to Ovi Store
> http://p.sf.net/sfu/nokia-dev2dev
> _______________________________________________
> Matplotlib-users mailing list
> Matplotlib-users@lists.sourceforge.net
> https://lists.sourceforge.net/lists/listinfo/matplotlib-users
>
------------------------------------------------------------------------------
Nokia and AT&T present the 2010 Calling All Innovators-North America contest
Create new apps & games for the Nokia N8 for consumers in U.S. and Canada
$10 million total in prizes - $4M cash, 500 devices, nearly $6M in marketing
Develop with Nokia Qt SDK, Web Runtime, or Java and Publish to Ovi Store
http://p.sf.net/sfu/nokia-dev2dev
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