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<div class=Section1><pre><font size=2 face="Courier New"><span
style='font-size:10.0pt'>Sercani:<o:p></o:p></span></font></pre><pre><font
size=2 face="Courier New"><span style='font-size:10.0pt'><o:p> </o:p></span></font></pre><pre><font
size=2 face="Courier New"><span style='font-size:10.0pt'>You can get the vtkPolyData<o:p></o:p></span></font></pre><pre><font
size=2 face="Courier New"><span style='font-size:10.0pt'>of the vtkImageTracerWidget and get its bounds using, for example:<o:p></o:p></span></font></pre><pre><font
size=2 face="Courier New"><span style='font-size:10.0pt'>vtkPolyData poly = vtkPolyData::New();<o:p></o:p></span></font></pre><pre><font
size=2 face="Courier New"><span style='font-size:10.0pt'>widget->GetPath( poly );<o:p></o:p></span></font></pre><pre><font
size=2 face="Courier New"><span style='font-size:10.0pt'>double* bounds = poly->GetBounds();<o:p></o:p></span></font></pre><pre><font
size=2 face="Courier New"><span style='font-size:10.0pt'><o:p> </o:p></span></font></pre><pre><font
size=2 face="Courier New"><span style='font-size:10.0pt'>from the bounds and knowing the underlying vtkImageActor’s<o:p></o:p></span></font></pre><pre><font
size=2 face="Courier New"><span style='font-size:10.0pt'>input (vtkImageData) origin and spacing, you can calculate<o:p></o:p></span></font></pre><pre><font
size=2 face="Courier New"><span style='font-size:10.0pt'>the enclosed region’s extents and feed those into <o:p></o:p></span></font></pre><pre><font
size=2 face="Courier New"><span style='font-size:10.0pt'>a vtkImageClip to clip the vtkImageActor’s input:<o:p></o:p></span></font></pre><pre><font
size=2 face="Courier New"><span style='font-size:10.0pt'><o:p> </o:p></span></font></pre><pre><font
size=2 face="Courier New"><span style='font-size:10.0pt'>double* origin = imageActor->GetInput()->GetOrigin();<o:p></o:p></span></font></pre><pre><font
size=2 face="Courier New"><span style='font-size:10.0pt'>double* spacing = imageActor->GetInput()->GetSpacing();<o:p></o:p></span></font></pre><pre><font
size=2 face="Courier New"><span style='font-size:10.0pt'>int xmin = (int)((bounds[0] – origin[0])/spacing[0] + 0.5);<o:p></o:p></span></font></pre><pre><font
size=2 face="Courier New"><span style='font-size:10.0pt'>int xmax = (int)((bounds[1] – origin[0])/spacing[0] + 0.5);<o:p></o:p></span></font></pre><pre><font
size=2 face="Courier New"><span style='font-size:10.0pt'>int ymin = (int)((bounds[2] – origin[1])/spacing[1] + 0.5);<o:p></o:p></span></font></pre><pre><font
size=2 face="Courier New"><span style='font-size:10.0pt'>int ymax = (int)((bounds[3] – origin[1])/spacing[1] + 0.5);<o:p></o:p></span></font></pre><pre><font
size=2 face="Courier New"><span style='font-size:10.0pt'>etc., etc.<o:p></o:p></span></font></pre><pre><font
size=2 face="Courier New"><span style='font-size:10.0pt'><o:p> </o:p></span></font></pre><pre><font
size=2 face="Courier New"><span style='font-size:10.0pt'>vtkImageClip clip = vtkImageClip::New();<o:p></o:p></span></font></pre><pre><font
size=2 face="Courier New"><span style='font-size:10.0pt'>clip->SetOutputWholeExtent( xmin,xmax,ymin,ymax,zmin,zmax);<o:p></o:p></span></font></pre><pre><font
size=2 face="Courier New"><span style='font-size:10.0pt'>clip->SetInput(imageActor->GetInput());<o:p></o:p></span></font></pre><pre><font
size=2 face="Courier New"><span style='font-size:10.0pt'><o:p> </o:p></span></font></pre><pre><font
size=2 face="Courier New"><span style='font-size:10.0pt'> <o:p></o:p></span></font></pre><pre><font
size=2 face="Courier New"><span style='font-size:10.0pt'>Dean<o:p></o:p></span></font></pre><pre><font
size=2 face="Courier New"><span style='font-size:10.0pt'><o:p> </o:p></span></font></pre><pre><font
size=2 face="Courier New"><span style='font-size:10.0pt'>>Isn't there anyone who did this before? I have implemented<o:p></o:p></span></font></pre><pre><font
size=2 face="Courier New"><span style='font-size:10.0pt'>>vtkImageTracerWidget example code to my project but i couldn't get the image<o:p></o:p></span></font></pre><pre><font
size=2 face="Courier New"><span style='font-size:10.0pt'>>region inside this closed spline.<o:p></o:p></span></font></pre><pre><font
size=2 face="Courier New"><span style='font-size:10.0pt'><o:p> </o:p></span></font></pre>
<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="Courier New"><span style='font-size:10.0pt;
font-family:"Courier New"'>~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face="Courier New"><span style='font-size:10.0pt;
font-family:"Courier New"'>Dean Inglis, PhD<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face="Courier New"><span style='font-size:10.0pt;
font-family:"Courier New"'>~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face="Courier New"><span style='font-size:10.0pt;
font-family:"Courier New"'>~~~~ Center for Appendicular ~~~~~<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face="Courier New"><span style='font-size:10.0pt;
font-family:"Courier New"'>Magnetic Resonance Imaging Studies<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face="Courier New"><span style='font-size:10.0pt;
font-family:"Courier New"'>~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face="Courier New"><span style='font-size:10.0pt;
font-family:"Courier New"'>610 - <st1:Street w:st="on"><st1:address w:st="on">25
Charlton Ave. E.</st1:address></st1:Street><o:p></o:p></span></font></p>
<p class=MsoNormal><st1:place w:st="on"><st1:City w:st="on"><font size=2
face="Courier New"><span style='font-size:10.0pt;font-family:"Courier New"'>Hamilton</span></font></st1:City><font
size=2 face="Courier New"><span style='font-size:10.0pt;font-family:"Courier New"'>,
<st1:State w:st="on">Ontario</st1:State>, <st1:PostalCode w:st="on">L8N 1Y2</st1:PostalCode></span></font></st1:place><font
size=2 face="Courier New"><span style='font-size:10.0pt;font-family:"Courier New"'><o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face="Courier New"><span style='font-size:10.0pt;
font-family:"Courier New"'>~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face="Courier New"><span style='font-size:10.0pt;
font-family:"Courier New"'>Assistant Professor (Adjunct)<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face="Courier New"><span style='font-size:10.0pt;
font-family:"Courier New"'>Department of Civil Engineering<o:p></o:p></span></font></p>
<p class=MsoNormal><st1:place w:st="on"><st1:PlaceName w:st="on"><font size=2
face="Courier New"><span style='font-size:10.0pt;font-family:"Courier New"'>McMaster</span></font></st1:PlaceName><font
size=2 face="Courier New"><span style='font-size:10.0pt;font-family:"Courier New"'>
<st1:PlaceType w:st="on">University</st1:PlaceType></span></font></st1:place><font
size=2 face="Courier New"><span style='font-size:10.0pt;font-family:"Courier New"'><o:p></o:p></span></font></p>
<p class=MsoNormal><st1:place w:st="on"><st1:City w:st="on"><font size=2
face="Courier New"><span style='font-size:10.0pt;font-family:"Courier New"'>Hamilton</span></font></st1:City><font
size=2 face="Courier New"><span style='font-size:10.0pt;font-family:"Courier New"'>,
<st1:State w:st="on">Ontario</st1:State></span></font></st1:place><font
size=2 face="Courier New"><span style='font-size:10.0pt;font-family:"Courier New"'><o:p></o:p></span></font></p>
<p class=MsoAutoSig><font size=2 face="Courier New"><span style='font-size:
10.0pt;font-family:"Courier New"'>~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~</span></font><o:p></o:p></p>
<p><font size=2 face="Courier New"><span style='font-size:10.0pt;font-family:
"Courier New"'>Software Demos:<o:p></o:p></span></font></p>
<p class=MsoAutoSig><font size=2 face="Courier New"><span style='font-size:
10.0pt;font-family:"Courier New"'><a
href="http://www.youtube.com/watch?v=_zYNtHC9-0s">http://www.youtube.com/watch?v=_zYNtHC9-0s</a><o:p></o:p></span></font></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'><o:p> </o:p></span></font></p>
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