I'm trying to make a shadow effect behind text boxes in a plot (similarly to
what can be done with legends).
After a fair bit of searching around I found the matplotlib.patches.Shadow
class which seems to be good for this. But I cannot get it to work properly.
I suspect it has something to do with different transforms being used for
the text itself and the actual bbox that surrounds it. This is what I have
tried:
import numpy as n
import pylab as p
import matplotlib.patches as pt
p.figure()
p.plot([0,1],[0,1])
ax=p.gca()
tb=p.text(0.9,0.2,'test',horizontalalignment='center',verticalalignment='center',fontsize='small',
color='green',weight='bold',bbox=dict(boxstyle="round,pad=0.5",ec='black',fill=False))
bb=tb.get_bbox_patch()
sh=pt.Shadow(bb,0.1,0.1)
ax.add_patch(sh)
p.draw()
p.show()
This seems to produce nothing at all (or maybe something that is far outside
the axis limits).
Am I missing something obvious here? Is there some other method that will do
this in an easier way?
Would appreciate any help, cheers
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