Jean-Christophe Penalva wrote:
> Hello,
>
> i draw some rectangle (with PolyCollection) on one figure. I'd like to put
> around (on the right vertical, or at the bottom horizontal) a colormap
> with the
> min and max values (as in
> http://matplotlib.sourceforge.net/examples/pylab_examples/colorbar_tick_labelling_demo.html)
>
>
>
> Here is a part of my code
>
> ...
> c = collections.PolyCollection(list_rect)
> c.set_array(liste_colormap)
> c.set_cmap(cm.hot)
c is a PolyCollection instance
> fig = plt.figure(figsize=(16, 12))
> ax = fig.add_subplot(111)
> ax.add_collection(c)
> ax.set_xlim(xorig, xmax)
> ax.set_ylim(yorig, ymax)
> ax.set_yticks((ymax/6, (ymax/6)*3, (ymax/6)*5))
> ax.set_yticklabels(('Rangee 1', 'Rangee 2','Rangee 3'))
> plt.title(str(num_semaine)+"-"+str(annee))
> cmap=cmap,norm=norm,orientation='horizontal')
> plt.colorbar(cax=c, ax=ax)
but cax is looking for an axes instance in which to draw the colorbar.
Try omitting that kwarg. The colorbar axes will be made automatically.
Eric
> plt.plot()
> plt.savefig("s"+str(num_semaine)+"-"+str(annee)+".png")
>
> At the end, there's a message :
> Traceback (most recent call last):
> File "/.../graph4.1.2.py", line 260, in <module>
> plt.colorbar(cax=c, ax=ax)
> File "/usr/lib/python2.6/dist-packages/matplotlib/pyplot.py", line
> 1326, in
> colorbar
> ret = gcf().colorbar(mappable, cax = cax, ax=ax, **kw)
> File "/usr/lib/python2.6/dist-packages/matplotlib/figure.py", line
> 1002, in
> colorbar
> cax.hold(True)
> AttributeError: 'PolyCollection' object has no attribute 'hold'
>
> Any idea ??
>
> Thank you.
>
> ######################################################################
> Jean-Christophe Penalva
> Centre Informatique National de l'Enseignement Superieur (CINES)
> Montpellier, FRANCE
> Tel : 33 4 67 141 414 Fax : 33 4 67 523 763
> http://www.cines.fr/
>
>
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iPhoneDevCamp asthey present alongside digital heavyweights like Barbarian
Group, R/GA, & Big Spaceship. http://www.creativitycat.com
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