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<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>OK, I’ll try again without the attachments…</span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'> </span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>For polygons with lobes, the tests I’ve done with
ParaView don’t give correct surface triangulation.</span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>In the case where the object comes from my custom reader,
using output->SetPolys(myCellsPtr); it produces a surface that doesn’t
stay within the polygon boundary, and applying the Delaunay2D filter to the
polyline object (SamplePolygon1Cell.vtk) also ‘blobbs’ the polygon.</span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>See links in earlier message –a correct surface
triangulation (SamplePolySurface.jpg), and the ParaView result
(PV_Delaunay2D_Polygon.jpg)</span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>I’m currently doing my own triangulation using
‘hgrd_src’ routines from CodeProject, but if there is a better way
to get the correct results within ParaView I’d be happy to try it.</span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'> </span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Here is the VTK object (SamplePolygon1Cell.vtk):</span></font></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'># vtk DataFile Version 3.0</span></font></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'>vtk output</span></font></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'>ASCII</span></font></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'>DATASET POLYDATA</span></font></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'>POINTS 49 float</span></font></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'>15.5517 43.6143 0 -3.2146 43.9618 0 -16.073 43.2667 0 </span></font></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'>-26.4987 38.0539 0 -28.7576 31.4509 0 -21.9809 21.894 0 </span></font></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'>-13.6403 22.4153 0 -5.99478 28.3232 0 2.51955 28.6707 0 </span></font></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'>5.99478 21.5465 0 3.90965 10.0782 0 -5.4735 -0.347525 0 </span></font></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'>-20.7646 0.69505 0 -38.1408 3.99652 0 -53.7793 6.77671 0 </span></font></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'>-66.2902 3.47524 0 -70.2867 -3.30148 0 -74.8045 -15.9861 0 </span></font></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'>-74.2832 -26.7593 0 -78.106 -44.1355 0 -63.51 -52.9974 0 </span></font></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'>-50.1303 -50.0434 0 -44.7437 -41.3553 0 -49.609 -33.8836 0 </span></font></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'>-50.8254 -24.1529 0 -39.5308 -21.894 0 -27.8888 -25.3692 0 </span></font></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'>-20.5908 -32.4935 0 -15.5517 -38.5752 0 -4.95222 -48.6533 0 </span></font></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'>15.7255 -50.391 0 33.2754 -49.3484 0 52.3892 -44.3093 0 </span></font></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'>60.2085 -31.9722 0 60.3823 -21.894 0 54.6481 -14.4222 0 </span></font></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'>44.7437 -11.2945 0 32.9279 -14.596 0 24.066 -21.199 0 </span></font></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'>14.8566 -29.7133 0 5.12598 -30.7559 0 -1.12945 -23.1103 0 </span></font></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'>0.0868797 -15.6386 0 7.03735 -13.901 0 20.7646 -9.20938 0 </span></font></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'>33.2754 0.69505 0 42.8323 11.1208 0 39.7046 29.0182 0 </span></font></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'>33.2754 39.7915 0 </span></font></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'>LINES 1 51</span></font></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'>50 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25
26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 0</span></font></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'> </span></font></p>
<p style='margin:0in;margin-bottom:.0001pt'><font size=2 face=Arial><span
style='font-size:10.0pt;font-family:Arial'>Bob Anderson</span></font></p>
<p style='margin:0in;margin-bottom:.0001pt'><font size=2 face="Times New Roman"><span
style='font-size:10.0pt'>MIRARCO Mining Innovation</span></font></p>
<p style='margin:0in;margin-bottom:.0001pt'><font size=2 face="Times New Roman"><span
style='font-size:10.0pt'>Laurentian University</span></font></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'> </span></font></p>
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