[Maxima-bugs] [ maxima-Bugs-754008 ] plot3d occlusion failure; replot problem

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Bugs item #754008, was opened at 2003-06-13 16:59
Message generated for change (Comment added) made by crategus
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Category: Lisp Core - Plotting
Group: None
>Status: Pending
>Resolution: Out of Date
Priority: 5
Private: No
Submitted By: Stavros Macrakis (macrakis)
Assigned to: Nobody/Anonymous (nobody)
Summary: plot3d occlusion failure; replot problem

Initial Comment:
plot3d(a*exp(1/b),[a,.1,2],[b,.1,2]);

Bring up the config window and set azimuth to about 
133.  The grey wireframe appears in the rear corner of 
the cube, though it should be occluded.

Now hit "replot".  First of all, the plot becomes smaller.  
(Why?)  Then, when you rotate it, it breaks up into little 
squares or pieces of broken glass as you rotate it, 
though it reverts to a correct plot after you stop 
rotating.  This doesn't happen in the original plot.

Maxima 5.9.0 gcl 2.5.0 Windows 2000 mingw Athlon


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>Comment By: Dieter Kaiser (crategus)
Date: 2010-01-19 20:38

Message:
Perhaps this bug report as out of date. 

This report does not mention what plot program is used. I have tried to
reproduce the problem with Maxima 5.20.1 on Windows with gnuplot graph
Version 4.2 (patchlevel 3). I have got no problems with the plot.

Setting the status to pending and the resolution to "out of date".
Dieter Kaiser

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