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<p class=MsoNormal><span style='color:#1F497D'>Isn&#8217;t there anyone who did
this before? I have implemented vtkImageTracerWidget example code to my project
but i couldn&#8217;t get the image region inside this closed spline&#8230;<o:p></o:p></span></p>

<p class=MsoNormal><span style='color:#1F497D'>Thanks already, yours sincerely&#8230;<o:p></o:p></span></p>

<p class=MsoNormal><span style='color:#1F497D'>Sercani&#8230; <o:p></o:p></span></p>

<p class=MsoNormal><span style='color:#1F497D'><o:p>&nbsp;</o:p></span></p>

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<p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span
style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> Sercani
[mailto:sercanimailgroups@gmail.com] <br>
<b>Sent:</b> Thursday, February 12, 2009 11:33 PM<br>
<b>To:</b> vtkusers@vtk.org<br>
<b>Subject:</b> ROI using vtkImageTracerWidget<o:p></o:p></span></p>

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<p class=MsoNormal><o:p>&nbsp;</o:p></p>

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<p class=MsoNormal>Hi everyone;<o:p></o:p></p>

<p class=MsoNormal>I am using vtkImageTracerWidget to draw freehand drawings on
a vtkImageActor (input of this actor is output of the vtkDICOMImageReader). I
want to use this closed spline for calculating the region area(using the spacing
of dataset too) and clip this region from image. I have looked at and tested
this example <a
href="http://public.kitware.com/cgi-bin/viewcvs.cgi/*checkout*/Examples/GUI/Tcl/ImageTracerWidget.tcl?root=VTK&amp;content-type=text/plain">http://public.kitware.com/cgi-bin/viewcvs.cgi/*checkout*/Examples/GUI/Tcl/ImageTracerWidget.tcl?root=VTK&amp;content-type=text/plain</a>
but couldn&#8217;t get things clear&#8230; How can i get the region boundaries
and use it for area calculating and clipping image?<o:p></o:p></p>

<p class=MsoNormal>Yours sincerely;<o:p></o:p></p>

<p class=MsoNormal>Sercani&#8230;.<o:p></o:p></p>

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