It is best to create a figure of a right size in the first place.
If this cannot be done, try something like below.
dpi = 80
fig=figure(1, dpi=dpi)
ax = axes((0,0,1,1))
ax.set_aspect(1)
from matplotlib.transforms import TransformedBbox, Affine2D
w, h = fig.get_size_inches()
bbox = TransformedBbox(ax.bbox,
fig.transFigure.inverted()+Affine2D().scale(w, h))
savefig(a.png, bbox_inches=bbox, dpi=dpi)
Note that the size of the output will be different from the original
figure size.
Regards,
-JJ
On Tue, Feb 23, 2010 at 3:37 PM, Bruce Ford br...@clearscienceinc.com wrote:
I'm attempting to output an image with a predictable bounding box so
that it can be placed into a KML document and be correctly
georeferenced.
Essentially I need a PNG that has NO labeling and the size of the
image be exactly the size of the plot bounding box and no more, no
less.
I can get exactly what I want with the top and bottom of the image with:
fig.add_axes((0,0,1,1)
However, I'm still left with undesired space on the left and right.
How can I bring the left and right edges of the bounding box to match
the image width?
Also, this might be a candidate for a handy function for
pyplot.figure(). This could be very useful for anyone needing to make
KML-friendly figures.
Thanks for any ideas!
Bruce
---
Bruce W. Ford
Clear Science, Inc.
br...@clearscienceinc.com
http://www.ClearScienceInc.com
Phone/Fax: 904-379-9704
8241 Parkridge Circle N.
Jacksonville, FL 32211
Skype: bruce.w.ford
Google Talk: for...@gmail.com
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