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pre
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<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>Here is a sample that gets mouse position on a volume (or
another imagedata prop) and gets the world and structured coordinates…<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'> vtkPointPicker picker = new vtkPointPicker();<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'> picker.Pick(mouseX,mouseY, 0, renderer);<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'> double[] pos = new double[3];<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'> pos = picker.GetMapperPosition();<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'> int volIndex = imageData.FindPoint(pos); //voxel Id<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'> double[] worldPos = new double[3];<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'> worldPos = imageData.GetPoint(volIndex); //world
coordinates of the voxel<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'> int ijk[] = new int[3];<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'> double pcoords[] = new double[3];<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'> imageData.ComputeStructuredCoordinates(pos, ijk,
pcoords); //ijk is structured coordinates of the voxel<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>Yours sincerely,<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>Sercani…..<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </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"'> vtkusers-bounces@vtk.org
[mailto:vtkusers-bounces@vtk.org] <b>On Behalf Of </b>EDSB EDSB<br>
<b>Sent:</b> Wednesday, February 11, 2009 4:24 PM<br>
<b>To:</b> vtk mailing list<br>
<b>Subject:</b> [vtkusers] help please!!!!!get coordinates<o:p></o:p></span></p>
</div>
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<p class=MsoNormal><o:p> </o:p></p>
<pre>Hello all,<br>
I apologize for annoying you again with my question but I need some help.<br>
How can I extract the 3D coordinates of some non-zero voxel in a binary metaimage?<br>
<span style='color:black'>I 'm sorry for my insistence, </span>but I couldn't find any example on this topic.<br>
Thanks a lot for your help!<br>
<br>
Mary<o:p></o:p></pre>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Verdana","sans-serif"'><o:p> </o:p></span></p>
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<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Verdana","sans-serif"'>Scopri
le novità! <a href="http://www.windowslive.it/" target="_new">La tua vita, i
tuoi interessi, tutto insieme su Windows Live.</a><o:p></o:p></span></p>
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