#5249: [with patch, needs work] implicit_plot3d functionality (isosurfaces, 3d
contour plots, etc.)
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Reporter: jason | Owner: was
Type: enhancement | Status: new
Priority: major | Milestone: sage-3.4.2
Component: graphics | Keywords:
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Comment(by wcauchois):
Replying to [comment:17 cwitty]:
> Yes. I saw this problem when drawing spheres, and made a random change
to "fix" it. Search for "Make mysterious correction for Z edges" in the
code. This may be a different problem with a similar symptom; or it may
be the same problem, and my previous change was horribly wrong. (But it
did appear to fix the problem in the spheres I was drawing.)
Interesting. I took a look at some plots sans your correction, and it
looks like it might be the same species of bug -- the plots have a kind of
ripple distortion, radiating outward from a pole. Your change was not
wrong, however, or at least its removal did not affect any other bugs.
Is there anyone more knowledgeable about marching cubes and JVXL who is
willing to work on this bug? I will do what I can. I'd like to see
implicit_plot3d in Sage in the near future!
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/5249#comment:18>
Sage <http://sagemath.org/>
Sage - Open Source Mathematical Software: Building the Car Instead of
Reinventing the Wheel
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