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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#1F497D;mso-fareast-language:EN-US">Thank you very much for the hint. I tried ExtractSurface, but it does not work at all with x,y,z data, but works find with ply data (as
in the example), but vtkDelaunay2D is also working smooth with ply data. Actually vtkExtractSurface computes, but I do not get any visible output. Computation takes even longer than with Delaunay2D. Any other hints for optimization of speed?<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#1F497D;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#1F497D;mso-fareast-language:EN-US">Thank you very much in advance!<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#1F497D;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p style="FONT-SIZE: 10pt; FONT-FAMILY: Arial"><strong><em>Beatrix Schober</em></strong><br>
Image Acquisition Development <br>
<br>
<strong>STEMMER IMAGING</strong> | Telefon: +49 89 80902-750<br>
<a style="COLOR: #0072bc" href="mailto:b.schober@stemmer-imaging.de">b.schober@stemmer-imaging.de</a> |
<a style="COLOR: #0072bc" href="http://www.stemmer-imaging.de">www.stemmer-imaging.de</a></p>
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<p style="FONT-SIZE: 8pt; FONT-FAMILY: Arial"><a href="http://www.stemmer-imaging.de/"><img style="HEIGHT: 27px; WIDTH: 109px" border="0" src="cid:stemmer-imaging-logo_a2683554-0e33-44e9-800c-5f58a623f38a.gif"></a></p>
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<font color="#726e6a">STEMMER IMAGING GmbH | Gutenbergstr. 9-13 | 82178 Puchheim, Deutschland
<br>
Registergericht München HR B 82026 | Geschäftsführer: Wilhelm Stemmer, Christof Zollitsch</font>
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<p class="MsoNormal"><b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">Von:</span></b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"> Bill Lorensen [mailto:bill.lorensen@gmail.com]
<br>
<b>Gesendet:</b> Freitag, 31. März 2017 15:53<br>
<b>An:</b> Schober Beatrix [STEMMER IMAGING GmbH] <b.schober@stemmer-imaging.de><br>
<b>Cc:</b> VTK Users <vtkusers@vtk.org><br>
<b>Betreff:</b> Re: [vtkusers] vtkDelaunay2D too slow<o:p></o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">Vtk7.1 has some new point cloud filters. For Example See <a href="http://www.vtk.org/Wiki/VTK/Examples/Cxx/Points/ExtractSurface">http://www.vtk.org/Wiki/VTK/Examples/Cxx/Points/ExtractSurface</a><o:p></o:p></p>
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<p class="MsoNormal">On Mar 31, 2017 7:15 AM, "Schober Beatrix [STEMMER IMAGING GmbH]" <<a href="mailto:b.schober@stemmer-imaging.de">b.schober@stemmer-imaging.de</a>> wrote:<o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:10.0pt;font-family:"Arial",sans-serif">Hi all,</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:10.0pt;font-family:"Arial",sans-serif"> </span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:10.0pt;font-family:"Arial",sans-serif">I have a laser point cloud (txt file with xyz values) of which I generate a vtkPolyData with points. I am running
Delaunay2D on it to get a surface.</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:10.0pt;font-family:"Arial",sans-serif"> </span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:10.0pt;font-family:"Arial",sans-serif">For 360.000 points vtkDelaunay2D takes around 2 minutes. As this number of points is a small point cloud, this is too
long for a customer application.</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:10.0pt;font-family:"Arial",sans-serif"> </span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:10.0pt;font-family:"Arial",sans-serif">Any hints, how to increase computation speed?</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:10.0pt;font-family:"Arial",sans-serif"> </span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:10.0pt;font-family:"Arial",sans-serif">Thank you very much in advance!</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:10.0pt;font-family:"Arial",sans-serif"> </span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:10.0pt;font-family:"Arial",sans-serif">Bea</span><o:p></o:p></p>
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<p><em><b><span style="font-size:10.0pt;font-family:"Arial",sans-serif">Beatrix Schober</span></b></em><span style="font-size:10.0pt;font-family:"Arial",sans-serif"><br>
Image Acquisition Development <br>
<br>
<strong><span style="font-family:"Arial",sans-serif">STEMMER IMAGING</span></strong> | Telefon:
<a href="tel:+49%2089%2080902750" target="_blank">+49 89 80902-750</a><br>
<a href="mailto:b.schober@stemmer-imaging.de" target="_blank"><span style="color:#0072BC">b.schober@stemmer-imaging.de</span></a> |
<a href="http://www.stemmer-imaging.de" target="_blank"><span style="color:#0072BC">www.stemmer-imaging.de</span></a><o:p></o:p></span></p>
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<p><span style="font-size:8.0pt;font-family:"Arial",sans-serif"><a href="http://www.stemmer-imaging.de/" target="_blank"><span style="text-decoration:none"><img border="0" width="106" height="24" style="width:1.1041in;height:.25in" id="_x0000_i1025" src="cid:image001.gif@01D2AD2C.27885CA0"></span></a><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:8.0pt;font-family:"Arial",sans-serif;color:#726E6A">STEMMER IMAGING GmbH | Gutenbergstr. 9-13 | 82178 Puchheim, Deutschland
<br>
Registergericht München HR B 82026 | Geschäftsführer: Wilhelm Stemmer, Christof Zollitsch</span><span style="font-size:8.0pt;font-family:"Arial",sans-serif">
<o:p></o:p></span></p>
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