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If you are using blanking, you must set the PointVisibility
(vtkUnsignedCharArray). Turning blanking on assumes that you have set
this array, this is done for performance reasons.<br>
Will<br><br>
<br>
At 05:51 PM 5/31/2002 +0200, Sebastien_MARAUX wrote:<br>
<blockquote type=cite class=cite cite><font face="arial" size=2>I cannot
manage to use IsPointVisible with my program.</font><br>
<font face="arial" size=2>It makes it hang. Is there special things to do
: I try to mask </font><br>
<font face="arial" size=2>unvalued (x,y) by blanking them, and then test
if they are </font><br>
<font face="arial" size=2>blanked. but every call to isPointVisible() or
</font><br>
<font face="arial" size=2>GetPointsVisibility() leads to
crash.</font><br>
<br>
<font face="arial" size=2>I use blankingOn before calls.</font><br>
<br>
<font face="arial" size=2>Also, I noticed a bug report in the mailing
list from 1999, explaining that structuredGrid is not blanking correct
points.</font><br>
<font face="arial" size=2>has it been fixed ?</font><br>
<br>
<font face="arial" size=2>Sebastien MARAUX</font></blockquote></html>