Public bug reported:
Description: Ubuntu 9.04
Release: 9.04
python-matplotlib:
Installed: 0.98.5.2-1ubuntu3
Candidate: 0.98.5.2-1ubuntu3
Version table:
*** 0.98.5.2-1ubuntu3 0
500 http://gb.archive.ubuntu.com jaunty/universe Packages
100 /var/lib/dpkg/status
quiver plots fail when the 2D array is non-square and no 2D x,y arrays
are specified. This bug looks pretty much like Bug #134919.
Looks like some confusion on row/column major notation :-(
import numpy
import pylab
x=numpy.arange(0,10)+10
y=numpy.arange(0,15)
a=numpy.zeros((len(y),len(x)))
a[0,:2] = 1
a[1,:2] = 3
# fails
#pylab.quiver(a,a)
#pylab.show()
# fails
#pylab.quiver(y,x,a,a)
#pylab.show()
# works
xx,yy = numpy.meshgrid(x,y)
pylab.quiver(xx,yy,a,a)
pylab.show()
** Affects: matplotlib (Ubuntu)
Importance: Undecided
Status: New
--
quiver fails for non-square arrays
https://bugs.launchpad.net/bugs/405354
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