On Thursday, September 6, 2012, jonasr wrote:
> Hello,
>
> i spotted a bug in the Rectangle function when plotting with multiple
> subplot, here is a source code example:
>
> #!/usr/bin/env python
> # -*- coding: utf-8 -*-
>
> from matplotlib.pyplot import *
> from numpy import *
> import sys, os
>
> def main():
> f, axs = subplots(1,2)
>
> x=arange(0,10,0.001)
> y=sin(x)
> axs[0].plot(x,y,"blue")#,alpha=1)
> axs[1].plot(x,y,"blue",alpha=1)
>
> rect = Rectangle((0,0), 1, 1, facecolor="blue",alpha=1)
> axs[0].add_patch(rect)
> axs[1].add_patch(rect)
>
> show()
> return 0
>
> if __name__ == '__main__':
> main()
>
> this script should plot two sin functions and a rectangle in both subplots
> .
> the rectangle doesn't seem to appear until i move the area from the left
> subplot (where the rectangle should appear)
> over to the second subplot.
> here is an example how it looks like:
> http://www.imagebanana.com/view/hzm8bjro/example.png
>
> if i remove the command
> axs[1].add_patch(rect)
> the problem doesn't seem to appear
>
> my current matplotlib version is: '1.1.1rc'
> os is ubuntu 12.04
>
> greetz jonas
>
>
>
>
Not a bug. An artist, such as the rectangle patch, can only reliably work
in one axes object at a time. It can not be in two places at once. Make
two rectangles and attach each to an axes, and it will work.
Cheers!
Ben Root
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