On Tue, May 27, 2008 at 3:55 PM, Darren Dale <[EMAIL PROTECTED]> wrote:
> On the trunk, the following script will show an image but will not rescale it:
>
> im=imshow(rand(10,10))
> im.set_clim(0,0.2)
> draw()
I see that too -- and another image related bug:
In [177]: imshow(rand(10,10))
Out[177]: <matplotlib.image.AxesImage object at 0x1003acec>
In [178]: hot()
Traceback (most recent call last):
File "<ipython console>", line 1, in ?
File
"/home/titan/johnh/dev/lib/python2.4/site-packages/matplotlib/pyplot.py",
line 2305, in hot
draw_if_interactive()
File
"/home/titan/johnh/dev/lib/python2.4/site-packages/matplotlib/backends/backend_tkagg.py",
line 58, in draw_if_interactive
figManager.show()
File
"/home/titan/johnh/dev/lib/python2.4/site-packages/matplotlib/backends/backend_tkagg.py",
line 338, in show
self.canvas.draw()
File
"/home/titan/johnh/dev/lib/python2.4/site-packages/matplotlib/backends/backend_tkagg.py",
line 191, in draw
FigureCanvasAgg.draw(self)
File
"/home/titan/johnh/dev/lib/python2.4/site-packages/matplotlib/backends/backend_agg.py",
line 255, in draw
self.figure.draw(self.renderer)
File
"/home/titan/johnh/dev/lib/python2.4/site-packages/matplotlib/figure.py",
line 792, in draw
for a in self.axes: a.draw(renderer)
File
"/home/titan/johnh/dev/lib/python2.4/site-packages/matplotlib/axes.py",
line 1394, in draw
im.draw(renderer)
File
"/home/titan/johnh/dev/lib/python2.4/site-packages/matplotlib/image.py",
line 226, in draw
im = self.make_image(renderer.get_image_magnification())
File
"/home/titan/johnh/dev/lib/python2.4/site-packages/matplotlib/image.py",
line 182, in make_image
im.is_grayscale = self.cmap.is_gray()
File
"/home/titan/johnh/dev/lib/python2.4/site-packages/matplotlib/colors.py",
line 504, in is_gray
return (np.alltrue(self._lut[:,0] == self._lut[:,1])
AttributeError: LinearSegmentedColormap instance has no attribute '_lut'
I thought at first all I would need to do is add an _init call in is_gray:
def is_gray(self):
if not self._isinit: self._init()
return (np.alltrue(self._lut[:,0] == self._lut[:,1])
and np.alltrue(self._lut[:,0] == self._lut[:,2]))
which does indeed stop the exception but there is the same problem you
point to: the image is not updated. I don't have time to drill into
this one right now, but they are probably the same bug. I'm
committing the is_gray lut bugfix and punting on the deeper bug for
now.
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