Dear Yang,<br><br>Hope the below link helps you if i didnt understand you wrong.<br><br><a href="http://www.vtk.org/Wiki/VTK/Examples/Cxx/Images/PickingAPixel">http://www.vtk.org/Wiki/VTK/Examples/Cxx/Images/PickingAPixel</a><br>
<br>Good luck,<br>Saraswathi<br><br><div class="gmail_quote">On Fri, Oct 8, 2010 at 10:29 AM, Xiaopeng Yang <span dir="ltr"><<a href="mailto:yxp233@postech.ac.kr">yxp233@postech.ac.kr</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;">
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<p class="MsoNormal"><span style="font-size: 11pt; color: rgb(31, 73, 125);">Hi all,</span></p>
<p class="MsoNormal"><span style="font-size: 11pt; color: rgb(31, 73, 125);"> </span></p>
<p class="MsoNormal"><span style="font-size: 11pt; color: rgb(31, 73, 125);">I made a program to visualize CT image in 2D by VTI widget. I am
trying to select seed points by clicking some position in the 2D CT image
interactively. Anyone knows how to program this? Does VTK has function to get the
coordinates of some point in CT image? What is the name of that function?</span></p>
<p class="MsoNormal"><span style="font-size: 11pt; color: rgb(31, 73, 125);"> </span></p>
<p class="MsoNormal"><span style="font-size: 11pt; color: rgb(31, 73, 125);">Thanks,</span></p>
<p class="MsoNormal"><span style="font-size: 11pt; color: rgb(31, 73, 125);">Xiaopeng Yang</span></p>
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