Is the following a bug? I don't really know what 'adaptive=True' means
-- the documentation isn't very helpful -- so maybe it's not supposed
to work for functions like this...
def g(x,y):
if y <= 0 or y >= x**2:
return 0
else:
return 1
Then
plot3d(g, (-3, 3), (-3, 3), adaptive=True)
fails, with the message
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "/home/palmieri/.sage/sage_notebook/worksheets/admin/37/code/
7.py", line 6, in <module>
plot3d(g, (-Integer(3), Integer(3)), (-Integer(3), Integer(3)),
adaptive=True)
File "/usr/local/share/sage/local/lib/python2.5/site-packages/
SQLAlchemy-0.4.6-py2.5.egg/", line 1, in <module>
File "/home/palmieri/Documents/sage-3.1.2/local/lib/python2.5/site-
packages/sage/plot/plot3d/plot3d.py", line 157, in plot3d
P = plot3d_adaptive(f, urange, vrange, **kwds)
File "/home/palmieri/Documents/sage-3.1.2/local/lib/python2.5/site-
packages/sage/plot/plot3d/plot3d.py", line 255, in plot3d_adaptive
G.set_texture(texture[k], opacity=opacity)
IndexError: list index out of range
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