Hi all, I've been messing with quiver a bit, and have some confusions:
according to the docs: """ units: [‘width’ | ‘height’ | ‘dots’ | ‘inches’ | ‘x’ | ‘y’ ]arrow units; the arrow dimensions except for length are in multiples of this unit.
"""and yes, when I change units from 'dots' for 'inched', the length of the arrows do indeed change.
""" angles: [‘uv’ | ‘xy’ | array]... Alternatively, arbitrary angles may be specified as an array of values in degrees, CCW from the x-axis.
"""
This crashes for me with:
Traceback (most recent call last):
File "quiver_test.py", line 72, in <module>
plt.draw()
File
"/Library/Frameworks/Python.framework/Versions/2.5/lib/python2.5/site-packages/matplotlib/pyplot.py",
line 341, in draw
get_current_fig_manager().canvas.draw()
File
"/Library/Frameworks/Python.framework/Versions/2.5/lib/python2.5/site-packages/matplotlib/backends/backend_tkagg.py",
line 215, in draw
FigureCanvasAgg.draw(self)
File
"/Library/Frameworks/Python.framework/Versions/2.5/lib/python2.5/site-packages/matplotlib/backends/backend_agg.py",
line 279, in draw
self.figure.draw(self.renderer)
File
"/Library/Frameworks/Python.framework/Versions/2.5/lib/python2.5/site-packages/matplotlib/figure.py",
line 772, in draw
for a in self.axes: a.draw(renderer)
File
"/Library/Frameworks/Python.framework/Versions/2.5/lib/python2.5/site-packages/matplotlib/axes.py",
line 1601, in draw
a.draw(renderer)
File
"/Library/Frameworks/Python.framework/Versions/2.5/lib/python2.5/site-packages/matplotlib/quiver.py",
line 425, in draw
verts = self._make_verts(self.U, self.V)
File
"/Library/Frameworks/Python.framework/Versions/2.5/lib/python2.5/site-packages/matplotlib/quiver.py",
line 484, in _make_verts
theta = ma.asarray(self.angles*np.pi/180.0).filled(0)
TypeError: can't multiply sequence by non-int of type 'float'
I've enclosed a small test script...
Thanks,
-Chris
--
Christopher Barker, Ph.D.
Oceanographer
Emergency Response Division
NOAA/NOS/OR&R (206) 526-6959 voice
7600 Sand Point Way NE (206) 526-6329 fax
Seattle, WA 98115 (206) 526-6317 main reception
chris.bar...@noaa.gov
quiver_test.py
Description: application/python
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