How big is the input image and how many triangles is ContourFilter generating?<br><br><div class="gmail_quote">On Sun, Sep 23, 2012 at 2:05 PM, P.J.Schaafsma <span dir="ltr"><<a href="mailto:jetze.schaafsma@gmail.com" target="_blank">jetze.schaafsma@gmail.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">...and the VTK_DEBUG_LEAKS output. Seems to work. Everything is cleaned up.<br>
Still, memory use is > 100Mb during the event loop in this simple case.<br>
<br>
Used source:<br>
<div class="im"><br>
<br>
int main()<br>
{<br>
vtkXMLImageDataReader *reader = vtkXMLImageDataReader::New();<br>
//reader->SetFileName("e:\\data\\volume\\manix_low.vti");<br>
reader->SetFileName("/media/Data/data/volume/manix_low.vti");<br>
<br>
vtkContourFilter *contour = vtkContourFilter::New();<br>
contour->SetInputConnection(reader->GetOutputPort());<br>
contour->SetValue(0, 800);<br>
<br>
vtkPolyDataMapper *mapper = vtkPolyDataMapper::New();<br>
mapper->SetInputConnection(contour->GetOutputPort());<br>
mapper->Update();<br>
<br>
vtkActor *actor = vtkActor::New();<br>
actor->SetMapper(mapper);<br>
<br>
vtkRenderer *renderer = vtkRenderer::New();<br>
renderer->AddActor(actor);<br>
<br>
vtkRenderWindow *render_window = vtkRenderWindow::New();<br>
render_window->AddRenderer(renderer);<br>
<br>
vtkInteractorStyleTrackballCamera *style =<br>
vtkInteractorStyleTrackballCamera::New();<br>
<br>
vtkRenderWindowInteractor *interactor = vtkRenderWindowInteractor::New();<br>
interactor->SetInteractorStyle(style);<br>
interactor->SetRenderWindow(render_window);<br>
interactor->Initialize();<br>
<br>
</div><div class="im"> ////// Comment this out and save memory<br>
render_window->Render();<br>
//////<br>
<br>
</div> renderer->RemoveActor(actor);<br>
render_window->Render();<br>
<div class="im"><br>
actor->Delete();<br>
mapper->Delete();<br>
contour->Delete();<br>
reader->Delete();<br>
<br>
</div><div class="im"> interactor->Start();<br>
<br>
render_window->RemoveRenderer(renderer);<br>
interactor->SetInteractorStyle(0);<br>
<br>
style->Delete();<br>
interactor->Delete();<br>
renderer->Delete();<br>
render_window->Delete();<br>
<br>
</div> // Just checking debug leaks works<br>
vtkActor *a = vtkActor::New();<br>
<br>
return 0;<br>
}<br>
<br>
Output<br>
<br>
<br>
vtkDebugLeaks has detected LEAKS!<br>
Class "vtkMatrix4x4" has 2 instances still around.<br>
Class "vtkOpenGLActor" has 1 instance still around.<br>
Class "vtkTransform" has 1 instance still around.<br>
<br>
<br>
<br>
<br>
<br>
<br>
--<br>
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