Hello all,
i created some program to read from netcdf files and plot the data, and it
seems to work ok. But when i try to run an older file, it just shows this:
Traceback (most recent call last):
File "netcdf2png.py", line 199, in <module>
savefig("range.png")
File "/usr/lib/pymodules/python2.6/matplotlib/pyplot.py", line 356, in
savefig
return fig.savefig(*args, **kwargs)
File "/usr/lib/pymodules/python2.6/matplotlib/figure.py", line 1032, in
savefig
self.canvas.print_figure(*args, **kwargs)
File "/usr/lib/pymodules/python2.6/matplotlib/backend_bases.py", line
1476, in print_figure
**kwargs)
File "/usr/lib/pymodules/python2.6/matplotlib/backends/backend_agg.py",
line 358, in print_png
FigureCanvasAgg.draw(self)
File "/usr/lib/pymodules/python2.6/matplotlib/backends/backend_agg.py",
line 314, in draw
self.figure.draw(self.renderer)
File "/usr/lib/pymodules/python2.6/matplotlib/artist.py", line 46, in
draw_wrapper
draw(artist, renderer, *args, **kwargs)
File "/usr/lib/pymodules/python2.6/matplotlib/figure.py", line 773, in
draw
for a in self.axes: a.draw(renderer)
File "/usr/lib/pymodules/python2.6/matplotlib/artist.py", line 46, in
draw_wrapper
draw(artist, renderer, *args, **kwargs)
File "/usr/lib/pymodules/python2.6/matplotlib/axes.py", line 1735, in draw
a.draw(renderer)
File "/usr/lib/pymodules/python2.6/matplotlib/collections.py", line 704,
in draw
return Collection.draw(self, renderer)
File "/usr/lib/pymodules/python2.6/matplotlib/artist.py", line 46, in
draw_wrapper
draw(artist, renderer, *args, **kwargs)
File "/usr/lib/pymodules/python2.6/matplotlib/collections.py", line 201,
in draw
self.update_scalarmappable()
File "/usr/lib/pymodules/python2.6/matplotlib/collections.py", line 477,
in update_scalarmappable
self._facecolors = self.to_rgba(self._A, self._alpha)
File "/usr/lib/pymodules/python2.6/matplotlib/cm.py", line 166, in to_rgba
x = self.norm(x)
File "/usr/lib/pymodules/python2.6/matplotlib/colors.py", line 825, in
__call__
raise ValueError("minvalue must be less than or equal to maxvalue")
ValueError: minvalue must be less than or equal to maxvalue
Any ideas?
Thx in advance
···
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