Hello,
I'm trying to plot two perpendicular arrows and getting them to start from the exact same point. If I try the following:
···
---
import matplotlib
matplotlib.use('Agg')
import matplotlib.pyplot as mpl
from matplotlib.patches import FancyArrowPatch
fig = mpl.figure()
ax = fig.add_subplot(111)
arrow1 = FancyArrowPatch(posA=(0.5, 0.5), posB=(0.6, 0.5), \
arrowstyle='-|>', mutation_scale=20.)
arrow2 = FancyArrowPatch(posA=(0.5, 0.5), posB=(0.5, 0.6), \
arrowstyle='-|>', mutation_scale=20.)
ax.add_patch(arrow1)
ax.add_patch(arrow2)
fig.savefig('fancyarrow.png')
---
then the result are two perpendicular arrows but the arrows don't touch at their origin (see attached image). Is there a way to fix this?
Cheers,
Tom
http://matplotlib.sourceforge.net/api/artist_api.html?highlight=fancyarrowpatch#matplotlib.patches.FancyArrowPatch
try to set shrinkA and shrinkB to 0.
Also see below for how arrows are drawn.
http://matplotlib.sourceforge.net/users/annotations_guide.html#annotating-with-arrow
-JJ
···
On Thu, Nov 19, 2009 at 9:46 AM, Thomas Robitaille <thomas.robitaille@...287...> wrote:
Hello,
I'm trying to plot two perpendicular arrows and getting them to start from
the exact same point. If I try the following:
---
import matplotlib
matplotlib.use('Agg')
import matplotlib.pyplot as mpl
from matplotlib.patches import FancyArrowPatch
fig = mpl.figure()
ax = fig.add_subplot(111)
arrow1 = FancyArrowPatch(posA=(0.5, 0.5), posB=(0.6, 0.5), \
arrowstyle='-|>', mutation_scale=20.)
arrow2 = FancyArrowPatch(posA=(0.5, 0.5), posB=(0.5, 0.6), \
arrowstyle='-|>', mutation_scale=20.)
ax.add_patch(arrow1)
ax.add_patch(arrow2)
fig.savefig('fancyarrow.png')
---
then the result are two perpendicular arrows but the arrows don't touch at
their origin (see attached image). Is there a way to fix this?
Cheers,
Tom
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Thanks for the fix and the link!
Tom
···
On Nov 18, 2009, at 7:56 PM, Jae-Joon Lee wrote:
http://matplotlib.sourceforge.net/api/artist_api.html?highlight=fancyarrowpatch#matplotlib.patches.FancyArrowPatch
try to set shrinkA and shrinkB to 0.
Also see below for how arrows are drawn.
http://matplotlib.sourceforge.net/users/annotations_guide.html#annotating-with-arrow
-JJ
On Thu, Nov 19, 2009 at 9:46 AM, Thomas Robitaille > <thomas.robitaille@...287...> wrote:
Hello,
I'm trying to plot two perpendicular arrows and getting them to start from
the exact same point. If I try the following:
---
import matplotlib
matplotlib.use('Agg')
import matplotlib.pyplot as mpl
from matplotlib.patches import FancyArrowPatch
fig = mpl.figure()
ax = fig.add_subplot(111)
arrow1 = FancyArrowPatch(posA=(0.5, 0.5), posB=(0.6, 0.5), \
arrowstyle='-|>', mutation_scale=20.)
arrow2 = FancyArrowPatch(posA=(0.5, 0.5), posB=(0.5, 0.6), \
arrowstyle='-|>', mutation_scale=20.)
ax.add_patch(arrow1)
ax.add_patch(arrow2)
fig.savefig('fancyarrow.png')
---
then the result are two perpendicular arrows but the arrows don't touch at
their origin (see attached image). Is there a way to fix this?
Cheers,
Tom
------------------------------------------------------------------------------
Let Crystal Reports handle the reporting - Free Crystal Reports 2008 30-Day
trial. Simplify your report design, integration and deployment - and focus
on
what you do best, core application coding. Discover what's new with
Crystal Reports now. http://p.sf.net/sfu/bobj-july
_______________________________________________
Matplotlib-users mailing list
Matplotlib-users@lists.sourceforge.net
matplotlib-users List Signup and Options