Youre not deleting mapper in switchRepresentationToSphere().<div><br></div><div>I doubt the "Leaks" in Apple instruments will be any use in this case. <br><br><div class="gmail_quote">On Mon, May 10, 2010 at 8:52 AM, Benoist Laurent <span dir="ltr"><<a href="mailto:benoist@ibpc.fr">benoist@ibpc.fr</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;"><div style="word-wrap:break-word">Hi all,<div><br></div><div>I've got a problem for freeing memory with VTK 5.2.</div>
<div>In my program, I've got a function that allows to switch between a line representation and a sphere representations.</div><div>Each time I switch, I pay attention to remove the actor from the renderer then delete the actor before initializing it again.</div>
<div><br></div><div>But when I use Apple Instruments to check for memory leaks, I can see that there is not memory leak (good point) but that the memory usage increases every time I switch from lines to spheres (see picture).</div>
<div><br></div><div>Does anyone have an idea of what am I doing wrong ?</div><div><br></div><div>Any help would be appreciated.</div><div>Thanks.</div><div>Ben.</div><div><br></div><div><br></div><div>Here is the code.</div>
<div><br></div><div><div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px">void switchRepresentationToLines()</div><div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px">{</div>
<div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px"><span style="white-space:pre"> </span>deleteActor();</div><p style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px;min-height:13px">
<span style="white-space:pre"> </span><br></p><div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px"><span style="white-space:pre"> </span>vtkPolyDataMapper * mapper = vtkPolyDataMapper::New();</div>
<div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px"><span style="white-space:pre"> </span>mapper->SetInput(_data);</div><p style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px;min-height:13px">
<span style="white-space:pre"> </span><br></p><div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px"><span style="white-space:pre"> </span>_actor = vtkActor::New();</div><div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px">
<span style="white-space:pre"> </span>_actor->SetMapper(mapper);</div><div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px;min-height:13px"><br></div><div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px">
<span style="white-space:pre"> </span>_renderer->AddActor(_actor);</div><div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px"><span style="white-space:pre"> </span>updateDisplay();</div><p style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px;min-height:13px">
<span style="white-space:pre"> </span><br></p><div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px"><span style="white-space:pre"> </span>mapper->Delete();</div><div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px">
}</div><div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px;min-height:13px"><br></div><div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px">void switchRepresentationToSpheres()</div>
<div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px">{</div><div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px"><span style="white-space:pre"> </span>deleteActor();</div>
<div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px"><span style="white-space:pre"> </span>vtkSphereSource * sphereSource = vtkSphereSource::New();</div><div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px">
<span style="white-space:pre"> </span>sphereSource->SetThetaResolution(10.0);</div><div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px"><span style="white-space:pre"> </span>sphereSource->SetPhiResolution(10.0);</div>
<div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px"><span style="white-space:pre"> </span>sphereSource->SetRadius(1.0);</div><p style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px;min-height:13px">
<span style="white-space:pre"> </span><br></p><div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px"><span style="white-space:pre"> </span>vtkGlyph3D * glyph = vtkGlyph3D::New();</div><div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px">
<span style="white-space:pre"> </span>glyph->SetInput(_data);</div><div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px"><span style="white-space:pre"> </span>glyph->SetSourceConnection(sphereSource->GetOutputPort());</div>
<div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px"><span style="white-space:pre"> </span>glyph->SetVectorModeToUseNormal();</div><div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px">
<span style="white-space:pre"> </span>glyph->SetScaleModeToScaleByVector();</div><div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px"><span style="white-space:pre"> </span>glyph->SetScaleFactor(0.5);</div>
<p style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px;min-height:13px"><span style="white-space:pre"> </span><br></p><div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px"><span style="white-space:pre"> </span>vtkPolyDataMapper * mapper = vtkPolyDataMapper::New();</div>
<div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px"><span style="white-space:pre"> </span>mapper->ImmediateModeRenderingOn();</div><div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px">
<span style="white-space:pre"> </span>mapper->SetInputConnection(glyph->GetOutputPort());</div><p style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px;min-height:13px"><span style="white-space:pre"> </span><br>
</p><div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px"><span style="white-space:pre"> </span>_actor = vtkActor::New();</div><div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px">
<span style="white-space:pre"> </span>_actor->SetMapper(mapper);</div><p style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px;min-height:13px"><span style="white-space:pre"> </span><br></p><div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px">
<span style="white-space:pre"> </span>_renderer->AddActor(_actor);</div><div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px"><span style="white-space:pre"> </span>updateDisplay();</div><p style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px;min-height:13px">
<span style="white-space:pre"> </span><br></p><div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px"><span style="white-space:pre"> </span>sphereSource->Delete();</div><div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px">
<span style="white-space:pre"> </span>glyph->Delete();</div><div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px">}</div><div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px">
<br></div><div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px"><div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px">void deleteActor()</div><div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px">
{</div><div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px"><span style="white-space:pre"> </span>if (actor)</div><div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px"><span style="white-space:pre"> </span>{</div>
<div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px"><span style="white-space:pre"> </span>_renderer->RemoveActor(_actor);</div><div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px">
<span style="white-space:pre"> </span>_actor->Delete();</div><div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px"><span style="white-space:pre"> </span>_actor = NULL;</div><div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px">
<span style="white-space:pre"> </span>}<span style="white-space:pre"> </span></div><div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px">}</div><div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px">
<br></div><div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px"><img height="95" width="389"></div><div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px"><br></div><div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px">
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