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<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Dear All,<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial'>I want to calculate the inner centre of mass of
different polygons that includes also concave polygons.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial'>The function: ->GetCenter() only returns the physical
midpoint, but I need the centre inside the polygon surface.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial'>Or, exist a way a way to use the </span></font><code><font
size=2 face="Courier New"><span lang=EN-GB style='font-size:10.0pt'>vtkImageSkeleton2D
filter?<o:p></o:p></span></font></code></p>
<p class=MsoNormal><code><font size=2 face="Courier New"><span lang=EN-GB
style='font-size:10.0pt'><o:p> </o:p></span></font></code></p>
<p class=MsoNormal><code><font size=2 face="Courier New"><span lang=EN-GB
style='font-size:10.0pt'>The PowerCrustAlgorithmn is very unstable for my application,
because I have only the boundary points.<o:p></o:p></span></font></code></p>
<p class=MsoNormal><code><font size=2 face="Courier New"><span lang=EN-GB
style='font-size:10.0pt'><o:p> </o:p></span></font></code></p>
<p class=MsoNormal><code><font size=2 face="Courier New"><span lang=EN-GB
style='font-size:10.0pt'>Thanks for every help!<o:p></o:p></span></font></code></p>
<p class=MsoNormal><code><font size=2 face="Courier New"><span lang=EN-GB
style='font-size:10.0pt'><o:p> </o:p></span></font></code></p>
<p class=MsoNormal><code><font size=2 face="Courier New"><span lang=EN-GB
style='font-size:10.0pt'>All the best!<o:p></o:p></span></font></code></p>
<p class=MsoNormal><code><font size=2 face="Courier New"><span lang=EN-GB
style='font-size:10.0pt'><o:p> </o:p></span></font></code></p>
<p class=MsoNormal><code><font size=2 face="Courier New"><span lang=EN-GB
style='font-size:10.0pt'>Mario</span></font></code><font size=2 face=Arial><span
lang=EN-GB style='font-size:10.0pt;font-family:Arial'><o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial'><o:p> </o:p></span></font></p>
<p style='margin:0cm;margin-bottom:.0001pt;line-height:12.0pt'><font size=2
face="Times New Roman"><span lang=EN-GB style='font-size:10.0pt'>________________________________________<o:p></o:p></span></font></p>
<p style='margin:0cm;margin-bottom:.0001pt;line-height:12.0pt'><font size=2
face="Times New Roman"><span lang=EN-GB style='font-size:10.0pt'>Dipl.-Ing.(FH)
Mario Richtsfeld<o:p></o:p></span></font></p>
<p style='margin:0cm;margin-bottom:.0001pt;line-height:12.0pt'><font size=2
face="Times New Roman"><span lang=EN-GB style='font-size:10.0pt'>Research
assistant<o:p></o:p></span></font></p>
<p style='margin:0cm;margin-bottom:.0001pt;line-height:12.0pt'><font size=2
face="Times New Roman"><span lang=EN-GB style='font-size:10.0pt'>AUTOMATION
& CONTROL INSTITUTE | ACIN<o:p></o:p></span></font></p>
<p style='margin:0cm;margin-bottom:.0001pt;line-height:12.0pt'><st1:place
w:st="on"><st1:PlaceName w:st="on"><font size=2 face="Times New Roman"><span
lang=EN-GB style='font-size:10.0pt'>VIENNA</span></font></st1:PlaceName><font
size=2><span lang=EN-GB style='font-size:10.0pt'> <st1:PlaceType w:st="on">UNIVERSITY</st1:PlaceType></span></font></st1:place><font
size=2><span lang=EN-GB style='font-size:10.0pt'> OF TECHNOLOGY<o:p></o:p></span></font></p>
<p style='margin:0cm;margin-bottom:.0001pt;line-height:12.0pt'><font size=2
face="Times New Roman"><span style='font-size:10.0pt'>Gußhausstraße 27-29 |
376. 1040 Wien <o:p></o:p></span></font></p>
<p style='margin:0cm;margin-bottom:.0001pt;line-height:12.0pt'><font size=2
face="Times New Roman"><span style='font-size:10.0pt'>Tel.: +43 (0)1 - 58801 -
77663 <o:p></o:p></span></font></p>
<p style='margin:0cm;margin-bottom:.0001pt;line-height:12.0pt'><font size=2
face="Times New Roman"><span lang=EN-GB style='font-size:10.0pt'>Fax.: +43 (0)1
- 58801 - 37699 <o:p></o:p></span></font></p>
<p style='margin:0cm;margin-bottom:.0001pt;line-height:12.0pt'><span
class=MsoHyperlink><u><font size=2 color=blue face="Times New Roman"><span
lang=EN-GB style='font-size:10.0pt'>rm@acin.tuwien.ac.at</span></font></u></span><font
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class=MsoHyperlink><u><font size=2 color=blue><span style='font-size:10.0pt'><a
href="www.acin.tuwien.ac.at"><span lang=EN-GB>www.acin.tuwien.ac.at</span></a></span></font></u></span><font
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