<div dir="ltr">You may also have a look at<br><br><a href="http://devsample.org/index.php?option=com_content&task=view&id=48&Itemid=27">http://devsample.org/index.php?option=com_content&task=view&id=48&Itemid=27</a><br>
<br>Jothy<br><br><div class="gmail_quote">2010/8/19 David Doria <span dir="ltr"><<a href="mailto:daviddoria%2Bvtk@gmail.com">daviddoria+vtk@gmail.com</a>></span><br><blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;">
<div class="gmail_quote">2010/8/19 Hüseyin Savaş <span dir="ltr"><<a href="mailto:metlord@hotmail.com" target="_blank">metlord@hotmail.com</a>></span><div><div></div><div class="h5"><br><blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;">
<div style="padding-left: 10px; padding-right: 10px; padding-top: 15px;" name="Compose message area">
<div><font face="Arial" size="2">Hello,</font></div>
<div><font face="Arial" size="2">I want to display density(greyscale) value of my
cursor's position on an image while my mouse is moving. </font></div>
<div><font face="Arial" size="2">For this I have RenderWindowInteractor's
GetLastEventPosition() which returns two integers as coordinate.</font></div>
<div><font face="Arial" size="2">I have tried various ways but couldn't achieve
success yet. </font></div>
<div><font face="Arial" size="2">If someone could give me some lead information that
would be perfect.</font></div>
<div><font face="Arial" size="2">Thanks,</font></div><div><font face="Arial" size="2"><br></font></div></div></blockquote><div><br></div></div></div><div>Dean Inglis created a great example of this here: </div><a href="http://www.vtk.org/Wiki/VTK/Examples/Cxx/Images/PickingAPixel" target="_blank">http://www.vtk.org/Wiki/VTK/Examples/Cxx/Images/PickingAPixel</a></div>
<div class="gmail_quote"><br></div><div class="gmail_quote"><a href="http://www.vtk.org/Wiki/VTK/Examples/Cxx/Images/PickingAPixel" target="_blank"></a>Let us know if that does the trick.<br><font color="#888888"><br><div>
David</div></font></div>
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