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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal>Hello VTK users,<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>After segmentation, I would like to generate contours around the segmented regions. And then visualize the contours over the original images. However, The generated “contours” look like 3D surface, not 2D contours (see the following image). Do you guys know what’s going on?<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>The code for generating contours:<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New"'>vtkContourFilter * contour = vtkContourFilter::New();<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New"'>contour->SetInput( vtkImporter2->GetOutput() );<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New"'>contour->SetValue(0, 128); // edges of a binary image with values 0,255<o:p></o:p></span></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><img width=253 height=264 id="_x56fe__x7247__x0020_1" src="cid:image003.jpg@01CBD40D.6D766490"><o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Thanks a lot,<o:p></o:p></p><p class=MsoNormal>Yang<o:p></o:p></p></div></body></html>