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</o:shapelayout></xml><![endif]--></head><body lang=DE link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Hello Tolga,<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>yes you can create a custom Source. I did so already twice.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>I recommend you take a look at the vtkArrowSource. That should give you an idea of how to create an arrow and how to make it two-tipped.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Here you can find the ArrowSource(and other Sources if you need more inspiration): <o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><a href="http://www.koders.com/cpp/fid8455FF37BD948E7A11BD65E84A481C730D969674.aspx?s=mdef%3Atree">http://www.koders.com/cpp/fid8455FF37BD948E7A11BD65E84A481C730D969674.aspx?s=mdef%3Atree</a><o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>When creating a source it is important to set the Points and the according Cells correctly. If you want shading to work properly you should also set the normals for each point. And if you want to map textures the texture coordinates.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Cheers,<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Kirstin<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><b><span lang=EN-US style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>Von:</span></b><span lang=EN-US style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> vtkusers-bounces@vtk.org [mailto:vtkusers-bounces@vtk.org] <b>Im Auftrag von </b>Tolga Kurt<br></span><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>Gesendet:</span></b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> Dienstag, 11. September 2012 01:52<br><b>An:</b> vtkusers@vtk.org<br><b>Betreff:</b> [vtkusers] Creating custom source<o:p></o:p></span></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Hello,<o:p></o:p></p><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>I am working on a GUI for a Finite Element Method application. So that, I need to draw forces and moments acting on vertices.<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>For forces, i simply put oriented arrows but I need to put a different shape for acting moments. As a universal convention, moments are shown with arrows which have 2 tips. (Simple arrows in VTK have 1 tip as you know.)<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>Now I wonder, if I can create a customArrowSource with 2 tips. If I cannot, what can anyone suggest me?<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>Thanks,<o:p></o:p></p></div><div><p class=MsoNormal>Tolga Kurt.<o:p></o:p></p></div></div></body></html>