Hi Sebastien,<div><br></div><div>Yes, I don't delete it on purpose.<div><br></div><div>I would like to keep the polydata in memory but delete everything else which is related to the visualization in order to decrease the memory usage!</div>
<div><br></div><div>Thanks</div><div><br></div><div>Nicolas</div><div><br><div class="gmail_quote">On Sat, Jul 2, 2011 at 11:19 PM, Sebastien Jourdain <span dir="ltr"><<a href="mailto:sebastien.jourdain@kitware.com">sebastien.jourdain@kitware.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">You never deleted the sphere.<br>
<div><div></div><div class="h5"><br>
On Tue, Jun 28, 2011 at 5:56 PM, Nicolas Rannou <<a href="mailto:nicolas.lists@gmail.com">nicolas.lists@gmail.com</a>> wrote:<br>
> Hi all,<br>
> I would like to delete/remove actors from my rendering window to free<br>
> memory.<br>
> The issue is that the memory usage doesn't decrease after removing/deleting<br>
> the actors.<br>
> From my understanding, both following pseudo-codes should use the same<br>
> amount of memory.<br>
> But,<br>
> The first one uses: 15 Mb for 1000 spheres:<br>
> The second uses: 90 Mb for 1000 spheres:<br>
> How should I proceed in the 2nd case, to get back to the "original" memory<br>
> usage without actor?<br>
> Thanks,<br>
><br>
> Nicolas<br>
> ______________________________<br>
> 15 Mb<br>
> ______________________________<br>
> //Create a sphere<br>
> vtkSphereSource* sphere = new ...<br>
> ______________________________<br>
> 90 Mb<br>
> ______________________________<br>
> //Create sphere<br>
> vtkSphereSource* sphere = new ...<br>
> // mapper<br>
> vtkMapper* mapper ...<br>
> mapper->SetInput( sphere->GetOutput() )<br>
> // actor<br>
> vtkActor* actor...<br>
> actor->SetMapper(mapper)<br>
> mapper->Delete()<br>
> // Add and remove actor<br>
> renderer->AddActor(actor)<br>
> renderer->RemoveActor(actor)<br>
> // Delete actor<br>
> actor->Delete()<br>
> ______________________________<br>
> ______________________________<br>
><br>
><br>
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</blockquote></div><br></div></div>