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<DIV dir=ltr><FONT face=Arial color=#000000 size=2>Hi Dave,</FONT></DIV>
<DIV dir=ltr><FONT face=Arial size=2></FONT> </DIV>
<DIV dir=ltr><FONT face=Arial size=2>I updated my CVS edition last Friday
(13/07/07), so the version that was facing performance issues was 1.20. my OS is
WinXP Pro, Ver. 2002 SP2.0, processor is Intel Xeon 3.2 Ghz.</FONT></DIV>
<DIV dir=ltr><FONT face=Arial size=2></FONT> </DIV>
<DIV dir=ltr><FONT face=Arial size=2>I've just downloaded
the vtkVisibleCellSelector (v 1.15, cvs date: Mar 27) along with
vtkSelection (v 1.10, cvs date: Mar 31), vtkExtractSelection (v 1.15, cvs date:
Apr 2), vtkExtractSelectedIds (v 1.17.2.1, cvs date: May 9) and
vtkKdTreeSelector (v 1.3, cvs date: Apr 16). </FONT></DIV>
<DIV dir=ltr><FONT face=Arial size=2></FONT> </DIV>
<DIV dir=ltr><FONT face=Arial size=2>These files were used to replaced the
current CVS version to complete the compilation.</FONT></DIV>
<DIV dir=ltr><FONT face=Arial size=2></FONT> </DIV>
<DIV dir=ltr><FONT face=Arial size=2>I've tested the new libraries and they work
alot faster although it is still not as fast as the previous edition i was
using. Unfortunately, i do not have the old version anymore and i'm not sure
which associated files have been altered. </FONT></DIV>
<DIV dir=ltr><FONT face=Arial size=2></FONT> </DIV>
<DIV dir=ltr><FONT face=Arial size=2>The version that was extremely fast was the
CVS edition downloaded on March 24, 2007.</FONT></DIV>
<DIV dir=ltr><FONT face=Arial size=2></FONT> </DIV>
<DIV dir=ltr><FONT face=Arial size=2>Cheers, </FONT></DIV>
<DIV dir=ltr><FONT face=Arial size=2>Theo.</FONT></DIV></DIV>
<DIV dir=ltr><BR>
<HR tabIndex=-1>
<FONT face=Tahoma size=2><B>From:</B> vtkusers-bounces+t.lim=hw.ac.uk@vtk.org on
behalf of David E DeMarle<BR><B>Sent:</B> Mon 16/07/2007 15:18<BR><B>To:</B>
Lim, Theodore <BR><B>Cc:</B> vtk-users<BR><B>Subject:</B> Re: [vtkusers]
vtkVisibleCellSelector performance<BR></FONT><BR></DIV>
<DIV>What version of VTK/Graphics/vtkVisibleCellSelector.cxx do you
have?<BR><BR>I added logic on July 9th (rev 1.17) to make it possible to return
the selected vertices of each selected cell. We noticed that was causing a
significant slowdown so on July 16th (rev 1.20) I committed a change that fixed
the slowdown - or so I thought.<BR><BR>If you are using rev 1.20, let me know
what OS you are using and I'll take a look.<BR><BR>thanks,<BR>Dave
DeMarle<BR><BR>
<DIV><SPAN class=gmail_quote>On 7/16/07, <B class=gmail_sendername>Lim,
Theodore</B> <<A href="mailto:T.Lim@hw.ac.uk">T.Lim@hw.ac.uk</A>>
wrote:</SPAN>
<BLOCKQUOTE class=gmail_quote
style="PADDING-LEFT: 1ex; MARGIN: 0pt 0pt 0pt 0.8ex; BORDER-LEFT: rgb(204,204,204) 1px solid">
<DIV>
<DIV dir=ltr>
<DIV dir=ltr><FONT face=Arial color=#000000 size=2>Hi,</FONT></DIV>
<DIV dir=ltr><FONT face=Arial size=2></FONT> </DIV>
<DIV dir=ltr><FONT face=Arial size=2>I am facing performance issues when using
the latest CVS version of vtkVisibleCellSelector. I have not changed any of my
own code and also in the test example, the speed of the CVS version is very
slow. The vtk provided test example used to be blazingly fast, but now it
takes more than twice the time.</FONT></DIV>
<DIV dir=ltr><FONT face=Arial size=2></FONT> </DIV>
<DIV dir=ltr><FONT face=Arial size=2>The problem seems to in the <FONT
size=2>function - ComputeSelectedIds().</FONT></FONT></DIV>
<DIV dir=ltr><FONT face=Arial size=2></FONT> </DIV>
<DIV dir=ltr><FONT face=Arial size=2>Any ideas?</FONT></DIV>
<DIV dir=ltr><FONT face=Arial size=2></FONT> </DIV>
<DIV dir=ltr><FONT face=Arial size=2>Cheers, </FONT></DIV>
<DIV dir=ltr><FONT face=Arial
size=2>Theo.</FONT></DIV></DIV></DIV><BR>_______________________________________________<BR>This
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