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<P class=MsoNormal style="MARGIN: 0in 0in 0pt"><FONT face="Times New Roman" size=3>Hello,</FONT></P>
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<P class=MsoNormal style="MARGIN: 0in 0in 0pt"><FONT face="Times New Roman" size=3>I am confronted with a graphics problem, to be more specific 3D Segmentation of Triangular Surface Meshes.</FONT></P>
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<P class=MsoNormal style="MARGIN: 0in 0in 0pt"><FONT face="Times New Roman" size=3>The data is in the format of vrml files.</FONT></P>
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<P class=MsoNormal style="MARGIN: 0in 0in 0pt"><FONT face="Times New Roman" size=3>I am in search of a library, that supports the following:</FONT></P>
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<LI class=MsoNormal style="MARGIN: 0in 0in 0pt; mso-list: l0 level1 lfo1; tab-stops: list .5in"><FONT face="Times New Roman" size=3>A Robust Triangular Mesh Data Structure that stores vertices, faces, texture indices and texels, vertex-edge-face adjacency</FONT></LI>
<LI class=MsoNormal style="MARGIN: 0in 0in 0pt; mso-list: l0 level1 lfo1; tab-stops: list .5in"><FONT face="Times New Roman" size=3>Examining n-ring neighborhood of a vertex</FONT></LI>
<LI class=MsoNormal style="MARGIN: 0in 0in 0pt; mso-list: l0 level1 lfo1; tab-stops: list .5in"><FONT face="Times New Roman" size=3>Computing vertex curvatures</FONT></LI>
<LI class=MsoNormal style="MARGIN: 0in 0in 0pt; mso-list: l0 level1 lfo1; tab-stops: list .5in"><FONT face="Times New Roman" size=3>Mesh import from a vrml file</FONT></LI>
<LI class=MsoNormal style="MARGIN: 0in 0in 0pt; mso-list: l0 level1 lfo1; tab-stops: list .5in"><FONT face="Times New Roman" size=3>Connected component analysis of the mesh</FONT></LI>
<LI class=MsoNormal style="MARGIN: 0in 0in 0pt; mso-list: l0 level1 lfo1; tab-stops: list .5in"><FONT face="Times New Roman" size=3>Access to vertex and face normals</FONT></LI>
<LI class=MsoNormal style="MARGIN: 0in 0in 0pt; mso-list: l0 level1 lfo1; tab-stops: list .5in"><FONT face="Times New Roman" size=3>Sub mesh extraction</FONT></LI>
<LI class=MsoNormal style="MARGIN: 0in 0in 0pt; mso-list: l0 level1 lfo1; tab-stops: list .5in"><FONT face="Times New Roman" size=3>Affine Transformations on the mesh</FONT></LI></UL>
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<P class=MsoNormal style="MARGIN: 0in 0in 0pt"><FONT face="Times New Roman" size=3>I came to know that ITK has a mesh class that implements a very basic version of the mesh datastructure and also has some mesh filters.</FONT></P>
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<P class=MsoNormal style="MARGIN: 0in 0in 0pt"><FONT size=3><FONT face="Times New Roman">Is it a good idea to use itk::mesh to facilitate the needs mentioned above ? <SPAN style="mso-spacerun: yes"> </SPAN></FONT></FONT></P>
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<P class=MsoNormal style="MARGIN: 0in 0in 0pt"><FONT face="Times New Roman" size=3>Are any mesh segmentation algorithms being added to future versions of ITK ?</FONT></P>
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<P class=MsoNormal style="MARGIN: 0in 0in 0pt"><FONT face="Times New Roman" size=3>I also heard VTK has some support for the meshes, but apparently VTK does not incorporate any mesh segmentation algorithms. The VTK CVS seems to support vrml import but not the stable release.</FONT></P>
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<P class=MsoNormal style="MARGIN: 0in 0in 0pt"><FONT face="Times New Roman" size=3>Are there any other libraries </FONT></P>
<P class=MsoNormal style="MARGIN: 0in 0in 0pt"><FONT face="Times New Roman" size=3>I need your suggestions…….</FONT></P>
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<P class=MsoNormal style="MARGIN: 0in 0in 0pt"><FONT face="Times New Roman" size=3>Thanks in advance.</FONT></P>
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<P class=MsoNormal style="MARGIN: 0in 0in 0pt"><FONT face="Times New Roman" size=3>Bye</FONT></P>
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<P class=MsoNormal style="MARGIN: 0in 0in 0pt"><FONT face="Times New Roman" size=3>Deepak</FONT></P>
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