Hi Bill<div><br></div><div>My final goal is to generate an STL mesh from the .ply format.</div><div><br></div><div>I import the .ply file into Meshlab, remesh and output a .stl file.</div><div><br></div><div>If there's a better way, please let me know.</div>
<div><br></div><div>Theodore</div><div><br><br><div class="gmail_quote">On 16 May 2010 22:26, Bill Lorensen <span dir="ltr"><<a href="mailto:bill.lorensen@gmail.com">bill.lorensen@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">
If you run GeometryFilter on Structured Points you will only get the<br>
boundary faces.<br>
\ply is a polygon format. AFAIK is cannot represent the solid elements<br>
that exist within Structured Points.<br>
<br>
Maybe you can share your final goal.<br>
<br>
Bill<br>
<div><div></div><div class="h5"><br>
On Sun, May 16, 2010 at 5:22 PM, Ted Kord <<a href="mailto:teddy.kord@googlemail.com">teddy.kord@googlemail.com</a>> wrote:<br>
> Hi<br>
> I converted a vtk StructuredData file to Polydata format. However, when I<br>
> load the result in Paraview, all I get is a red cube. Is there a filter I'm<br>
> supposed to use to get back my original image geometry?<br>
> What I actually want to do is obtain a .ply file from the .vtk file (by<br>
> saving the .vtp file as .ply). Is there a better way to do this?<br>
> Thanks<br>
> Theodore<br>
> ==<br>
> The code I used to convert form vtk to polydata is:<br>
><br>
> int main(int, char *[])<br>
><br>
> {<br>
><br>
> vtkSmartPointer<vtkStructuredPointsReader> reader =<br>
> vtkSmartPointer<vtkStructuredPointsReader>::New();<br>
><br>
> reader->SetFileName("test.vtk");<br>
><br>
> reader->Update();<br>
><br>
> //create Structuredpoints<br>
><br>
> vtkSmartPointer<vtkStructuredPoints> structuredPoints = reader->GetOutput();<br>
><br>
> vtkSmartPointer<vtkGeometryFilter> geometryFilter =<br>
> vtkSmartPointer<vtkGeometryFilter>::New();<br>
><br>
> geometryFilter->SetInput(structuredPoints);<br>
><br>
> geometryFilter->Update();<br>
><br>
> vtkPolyData* polydata = geometryFilter->GetOutput();<br>
><br>
> std::cout << "Output has " << polydata->GetNumberOfPoints() << " points." <<<br>
> std::endl;<br>
><br>
> vtkSmartPointer<vtkXMLPolyDataWriter> writer =<br>
> vtkSmartPointer<vtkXMLPolyDataWriter>::New();<br>
><br>
> writer->SetFileName("test.vtp");<br>
><br>
> writer->SetInput(polydata);<br>
><br>
> writer->Write();<br>
><br>
> return EXIT_SUCCESS;<br>
><br>
> }<br>
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</blockquote></div><br></div>