Hi,<br><br>The deletion with Delete( ) won't remove the line because... the line is used by the renderer (Take a look at the object factory, garbage collector, reference counter and all these stuff). I suggest you to remove the actor from the renderer... With, for instance, ren->RemoveActor( actor1 );<br>
<br>Or, if you want, you can set the background color to the line color...<br><br>HTH<br><br>Jerome<br><br><div class="gmail_quote">2009/5/14 luciangoron <span dir="ltr"><<a href="mailto:luciangoron@gmail.com">luciangoron@gmail.com</a>></span><br>
<blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;"><br>
I have a simple code here:<br>
<br>
I "print" 2 lines, and than I want to "delete" the first one... (I want to<br>
NOT see it anymore)<br>
<br>
#include "../common/CommonVTKRoutines.h"<br>
#include "../common/CommonANNRoutines.h"<br>
#include "../common/Common3DGeomRoutines.h"<br>
#include "../common/CommonIORoutines.h"<br>
#include "../common/CommonTerminalRoutines.h"<br>
#include "../common/ANN-VTK.h"<br>
<br>
using namespace cANN;<br>
using namespace std;<br>
<br>
int main (int argc, char** argv)<br>
{<br>
// create vtk renderer and vtk interactor //<br>
vtkRenderer *ren = vtkRenderer::New ();<br>
ren->SetBackground (0, 0, 0);<br>
vtkRenderWindowInteractor *iren = CreateRenderWindowAndInteractor (ren,<br>
"TEST", argc, argv);<br>
<br>
// first line //<br>
vtkLineSource *line1 = vtkLineSource::New();<br>
line1->SetPoint1 (1.0, 1.0, 1.0);<br>
line1->SetPoint2 (1.5, 1.5, 1.5);<br>
vtkActor *actor1 = createActorFromDataSet (line1->GetOutput(), false);<br>
actor1->GetProperty()->SetColor (1, 0, 0);<br>
ren->AddActor(actor1);<br>
<br>
// do a refresh //<br>
iren->Render();<br>
iren->Start();<br>
<br>
// second line //<br>
vtkLineSource *line2 = vtkLineSource::New();<br>
line2->SetPoint1 (0.5, 1.0, 1.5);<br>
line2->SetPoint2 (1.5, 1.0, 0.5);<br>
vtkActor *actor2 = createActorFromDataSet (line2->GetOutput(), false);<br>
actor2->GetProperty()->SetColor (0, 1, 0);<br>
ren->AddActor(actor2);<br>
<br>
// do a refresh //<br>
iren->Render();<br>
iren->Start();<br>
<br>
// suppose to delete de line //<br>
line1->Delete();<br>
actor1->Delete();<br>
<br>
// do a refresh //<br>
iren->Render();<br>
iren->Start();<br>
<br>
return 0;<br>
}<br>
<br>
PS : Please do not send me suggestions such as :<br>
<br>
" Why don't you color the line which you want to delete in black.. "<br>
<br>
Thanks in advance !<br>
--<br>
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</blockquote></div><br>