<html><head><style type="text/css"><!-- DIV {margin:0px;} --></style></head><body><div style="font-family:times new roman, new york, times, serif;font-size:10pt"><DIV style="FONT-SIZE: 10pt; FONT-FAMILY: times new roman, new york, times, serif">Hello Japrin,</DIV>
<DIV style="FONT-SIZE: 10pt; FONT-FAMILY: times new roman, new york, times, serif">the method reduces the amount of the memory allocated but doesn't releases it completely.</DIV>
<DIV style="FONT-SIZE: 10pt; FONT-FAMILY: times new roman, new york, times, serif">I've tryide what following :</DIV>
<DIV style="FONT-SIZE: 10pt; FONT-FAMILY: times new roman, new york, times, serif"> </DIV>
<DIV style="FONT-SIZE: 10pt; FONT-FAMILY: times new roman, new york, times, serif">//delete the memory allocated for the reader : it's a vtkstructedPoints in my case<BR><FONT color=#0000ff size=2>
<P>delete</FONT><FONT size=2> []((</FONT><FONT color=#0000ff size=2>unsigned</FONT><FONT size=2> </FONT><FONT color=#0000ff size=2>char</FONT><FONT size=2> *)reader->GetScalarPointer());</P></FONT><FONT size=2>
<P>reader->Delete();</P>
<P> </P>
<P>//then I deallocate the tables created for computin gradiants et displaying the volume</P>
<P>//vlmMppr : vtkVolumeRayCastMapper</P>
<P> </P><FONT color=#0000ff size=2>
<P>if</FONT><FONT size=2>(vlmMppr->GetGradientEstimator() && vlmMppr->GetGradientEstimator()->GetEncodedNormals())</P>
<P></FONT><FONT color=#0000ff size=2>delete</FONT><FONT size=2> [](vlmMppr->GetGradientEstimator()->GetEncodedNormals());</FONT></P>
<P><FONT size=2> </P>
<P></FONT><FONT color=#0000ff size=2>if</FONT><FONT size=2>(vlmMppr->GetGradientEstimator() && vlmMppr->GetGradientEstimator()->GetGradientMagnitudes())</P>
<P></FONT><FONT color=#0000ff size=2>delete</FONT><FONT size=2> [](vlmMppr->GetGradientEstimator()->GetGradientMagnitudes());</FONT></P>
<P><FONT size=2></FONT> </P>
<P><FONT size=2>I know it's really a little bit uggly , but the method i'(m followin is the most efficient for memory release after rendering.</FONT></P>
<P><FONT size=2>but never , all the memory was released.</FONT></P>
<P><FONT size=2></FONT> </P>
<P><FONT size=2></FONT> </P>
<P><FONT size=2>tahnk you for your help. .</FONT></P>
<P><FONT size=2></FONT> </P>
<P><FONT size=2>BEN REGUIGA Mohamed</P></FONT>
<P> </P></FONT></DIV>
<DIV style="FONT-SIZE: 12pt; FONT-FAMILY: times new roman, new york, times, serif">----- Message transféré ----<BR>De : "swordlover1986@163.com" <swordlover1986@163.com><BR>À : vtkusers@vtk.org<BR>Envoyé le : Lundi, 7 Avril 2008, 16h44mn 59s<BR>Objet : Re: [vtkusers] Release Memory after rendering<BR><BR>Hi,Mohamed Ben Reguiga:<BR><BR>I'm facing a similar problem.Could "void vtkActor::ReleaseGraphicsResources(vtkWindow *)" take effect?<BR><BR><BR><BR>Japrin<BR><BR><BR>
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