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<p class=MsoNormal><font size=2 face="Courier New"><span style='font-size:10.0pt;
font-family:"Courier New"'>Dear VTK users,</span></font></p>
<p class=MsoNormal><font size=2 face="Courier New"><span style='font-size:10.0pt;
font-family:"Courier New"'> </span></font></p>
<p class=MsoNormal><font size=2 face="Courier New"><span style='font-size:10.0pt;
font-family:"Courier New"'>I really need some help on this.</span></font></p>
<p class=MsoNormal><font size=2 face="Courier New"><span style='font-size:10.0pt;
font-family:"Courier New"'> </span></font></p>
<p class=MsoNormal><font size=2 face="Courier New"><span style='font-size:10.0pt;
font-family:"Courier New"'>I have a very simple pipeline (polydata -> mapper
-> actor -> vtkRenderer -> vtkRenderWindow ->
vtkRenderWindowInteractor) and the polydata contains 20.000 points. </span></font></p>
<p class=MsoNormal><font size=2 face="Courier New"><span style='font-size:10.0pt;
font-family:"Courier New"'> </span></font></p>
<p class=MsoNormal><font size=2 face="Courier New"><span style='font-size:10.0pt;
font-family:"Courier New"'>The following loop takes 30 seconds pr. iteration on
a Dell Inspiron 9100, 3.2Ghz, 1 Gb RAM, ATI Mobility Radeon 9700 128 Mb, XP
service pack 2:</span></font></p>
<p class=MsoNormal><font size=2 face="Courier New"><span style='font-size:10.0pt;
font-family:"Courier New"'> </span></font></p>
<p class=MsoNormal><font size=2 face="Courier New"><span style='font-size:10.0pt;
font-family:"Courier New"'>for (int n=0; n<40; n++)</span></font></p>
<p class=MsoNormal><font size=2 face="Courier New"><span style='font-size:10.0pt;
font-family:"Courier New"'>{</span></font></p>
<p class=MsoNormal><font size=2 face="Courier New"><span style='font-size:10.0pt;
font-family:"Courier New"'> cerr << "n = " <<
n << "\n";</span></font></p>
<p class=MsoNormal><font size=2 face="Courier New"><span style='font-size:10.0pt;
font-family:"Courier New"'> pPolyData->Modified();</span></font></p>
<p class=MsoNormal><font size=2 face="Courier New"><span style='font-size:10.0pt;
font-family:"Courier New"'> pRenWin->Render();
// uses 30 seconds!!</span></font></p>
<p class=MsoNormal><font size=2 face="Courier New"><span style='font-size:10.0pt;
font-family:"Courier New"'> }</span></font></p>
<p class=MsoNormal><font size=2 face="Courier New"><span style='font-size:10.0pt;
font-family:"Courier New"'> </span></font></p>
<p class=MsoNormal><font size=2 face="Courier New"><span style='font-size:10.0pt;
font-family:"Courier New"'>On a Dell Dimension 8300 with GeForce Fx 5200 it
takes less than a second.</span></font></p>
<p class=MsoNormal><font size=2 face="Courier New"><span style='font-size:10.0pt;
font-family:"Courier New"'> </span></font></p>
<p class=MsoNormal><font size=2 face="Courier New"><span style='font-size:10.0pt;
font-family:"Courier New"'>I've upgraded with the latest graphics drives from
Dell, also tried Omega drivers (</span></font><font size=2 face="Courier New"><span
lang=DA style='font-size:10.0pt;font-family:"Courier New"'><a
href="http://www.omegadrivers.net/"><span lang=EN-US>http://www.omegadrivers.net/</span></a></span></font><font
size=2 face="Courier New"><span style='font-size:10.0pt;font-family:"Courier New"'>),
ran the code on VTK42 DLLs (vtk42-LatestRelease.exe) and VTK44 (source
downloaded and build) but nothing seems to help.</span></font></p>
<p class=MsoNormal><font size=2 face="Courier New"><span style='font-size:10.0pt;
font-family:"Courier New"'> </span></font></p>
<p class=MsoNormal><font size=2 face="Courier New"><span style='font-size:10.0pt;
font-family:"Courier New"'>Any advices would be very much appreciated.</span></font></p>
<p class=MsoNormal><font size=2 face="Courier New"><span style='font-size:10.0pt;
font-family:"Courier New"'> </span></font></p>
<p class=MsoNormal><font size=2 face="Courier New"><span lang=DA
style='font-size:10.0pt;font-family:"Courier New"'>Thanks in advance,</span></font></p>
<p class=MsoNormal><font size=2 face="Courier New"><span lang=DA
style='font-size:10.0pt;font-family:"Courier New"'>Per</span></font></p>
<p class=MsoNormal><font size=2 face="Courier New"><span lang=DA
style='font-size:10.0pt;font-family:"Courier New"'> </span></font></p>
<p class=MsoNormal><font size=2 face="Courier New"><span lang=DA
style='font-size:10.0pt;font-family:"Courier New"'> </span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=DA style='font-size:10.0pt;
font-family:Arial'> </span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=DA style='font-size:10.0pt;
font-family:Arial'> </span></font></p>
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