<font size="2"><font face="verdana,sans-serif">You cannot really view it as a surface, as a bunch of points, with not associations between them (which 3 points are edges of which triangle), they are not a surface. First you need to apply some surface reconstruction algorithm</font></font><div>

<font size="2"><font face="verdana,sans-serif"><br></font></font></div><div><font size="2"><font face="verdana,sans-serif">Regards,</font></font></div><div><font size="2"><font face="verdana,sans-serif">Dženan<br></font></font><br>

<div class="gmail_quote">On Fri, Feb 4, 2011 at 08:58, Nelson <span dir="ltr">&lt;<a href="mailto:gnjoseph@gmail.com">gnjoseph@gmail.com</a>&gt;</span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">

<br>
Hi All,<br>
<br>
This code displays only the nodes. ( I have attached the screen shot ) How<br>
can we view as a surface?<br>
<br>
#include &lt;vtkSmartPointer.h&gt;<br>
#include &lt;vtkProperty.h&gt;<br>
#include &lt;vtkPolyDataMapper.h&gt;<br>
#include &lt;vtkActor.h&gt;<br>
#include &lt;vtkParticleReader.h&gt;<br>
#include &lt;vtkRenderWindow.h&gt;<br>
#include &lt;vtkRenderWindowInteractor.h&gt;<br>
#include &lt;vtkInteractorStyleTrackballCamera.h&gt;<br>
#include &lt;vtkRenderer.h&gt;<br>
int main()<br>
{<br>
<br>
 Â  Â  Â  Â // Read the file<br>
 Â  Â  Â  Â vtkSmartPointer&lt;vtkParticleReader&gt; reader =<br>
vtkSmartPointer&lt;vtkParticleReader&gt;::New();<br>
 Â  Â  Â  Â reader-&gt;SetFileName ( &quot;cube.txt&quot; );<br>
 Â  Â  Â  Â reader-&gt;Update();<br>
 Â  Â  Â  Â std::cout &lt;&lt; reader-&gt;GetOutput()-&gt;GetNumberOfCells() &lt;&lt; std::endl;<br>
 Â  Â  Â  Â // Visualize<br>
 Â  Â  Â  Â vtkSmartPointer&lt;vtkPolyDataMapper&gt; mapper =<br>
vtkSmartPointer&lt;vtkPolyDataMapper&gt;::New();<br>
 Â  Â  Â  Â mapper-&gt;SetInputConnection(reader-&gt;GetOutputPort());<br>
 Â  Â  Â  Â vtkSmartPointer&lt;vtkActor&gt; actor = vtkSmartPointer&lt;vtkActor&gt;::New();<br>
 Â  Â  Â  Â actor-&gt;SetMapper(mapper);<br>
 Â  Â  Â  Â actor-&gt;GetProperty()-&gt;SetPointSize(4);<br>
 Â  Â  Â  Â actor-&gt;GetProperty()-&gt;SetColor(1,0,0);<br>
 Â  Â  Â  Â vtkSmartPointer&lt;vtkRenderer&gt; renderer =<br>
vtkSmartPointer&lt;vtkRenderer&gt;::New();<br>
 Â  Â  Â  Â vtkSmartPointer&lt;vtkRenderWindow&gt; renderWindow =<br>
vtkSmartPointer&lt;vtkRenderWindow&gt;::New();<br>
 Â  Â  Â  Â renderWindow-&gt;AddRenderer(renderer);<br>
 Â  Â  Â  Â vtkSmartPointer&lt;vtkRenderWindowInteractor&gt; renderWindowInteractor =<br>
vtkSmartPointer&lt;vtkRenderWindowInteractor&gt;::New();<br>
 Â  Â  Â  Â renderWindowInteractor-&gt;SetRenderWindow(renderWindow);<br>
 Â  Â  Â  Â renderer-&gt;AddActor(actor);<br>
 Â  Â  Â  Â renderer-&gt;SetBackground(.3, .6, .3); // Background color green<br>
<br>
 Â  Â  Â  Â vtkSmartPointer&lt;vtkInteractorStyleTrackballCamera&gt; style =<br>
vtkSmartPointer&lt;vtkInteractorStyleTrackballCamera&gt;::New();<br>
 Â  Â  Â  Â renderWindowInteractor-&gt;SetInteractorStyle( style );<br>
<br>
 Â  Â  Â  Â renderWindow-&gt;Render();<br>
 Â  Â  Â  Â renderWindowInteractor-&gt;Start();<br>
 Â  Â  Â  Â return EXIT_SUCCESS;<br>
} <a href="http://vtk.1045678.n5.nabble.com/file/n3370577/sample.jpg" target="_blank">http://vtk.1045678.n5.nabble.com/file/n3370577/sample.jpg</a><br>
<br>
-----<br>
Best Regards,<br>
Nelson<br>
--<br>
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</blockquote></div><br></div>