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<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>Hi,</span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'> </span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>I should have read your mail more closely.
If your surface is polydata, have you tried vtkPolyData::GetCellPoints()?</span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'> </span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>I am guessing that the point normals are
the average of the cell normals sharing the point.</span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'> </span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>HTH</span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'> </span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>John.</span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'> </span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'> </span></font></p>
<p class=MsoNormal style='margin-left:36.0pt'><font size=2 face=Tahoma><span
style='font-size:10.0pt;font-family:Tahoma'>-----Original Message-----<br>
<b><span style='font-weight:bold'>From:</span></b>
vtkusers-bounces+jcplatt=dsl.pipex.com@vtk.org
[mailto:vtkusers-bounces+jcplatt=dsl.pipex.com@vtk.org] <b><span
style='font-weight:bold'>On Behalf Of </span></b>Sawsan Ahmed<br>
<b><span style='font-weight:bold'>Sent:</span></b> </span></font><font size=2 face=Tahoma><span style='font-size:10.0pt;font-family:Tahoma'>22 January 2007</span></font><font
size=2 face=Tahoma><span style='font-size:10.0pt;font-family:Tahoma'> </span></font><font size=2 face=Tahoma><span style='font-size:10.0pt;font-family:Tahoma'>12:46</span></font><font
size=2 face=Tahoma><span style='font-size:10.0pt;font-family:Tahoma'><br>
<b><span style='font-weight:bold'>To:</span></b> John Platt<br>
<b><span style='font-weight:bold'>Cc:</span></b> vtkusers@vtk.org<br>
<b><span style='font-weight:bold'>Subject:</span></b> RE: [vtkusers] Simple
queries</span></font></p>
<p class=MsoNormal style='margin-left:36.0pt'><font size=3
face="Times New Roman"><span style='font-size:12.0pt'> </span></font></p>
<div>
<p class=MsoNormal style='margin-left:36.0pt'><font size=3
face="Times New Roman"><span style='font-size:12.0pt'>Hi,</span></font></p>
</div>
<div>
<p class=MsoNormal style='margin-left:36.0pt'><font size=3
face="Times New Roman"><span style='font-size:12.0pt'> I am
not using any user interaction.Without user interaction how can I do that?</span></font></p>
</div>
<div>
<p class=MsoNormal style='margin-left:36.0pt'><font size=3
face="Times New Roman"><span style='font-size:12.0pt'>Oliver.<br>
<br>
<b><i><span style='font-weight:bold;font-style:italic'>John Platt
<jcplatt@dsl.pipex.com></span></i></b> wrote:</span></font></p>
</div>
<blockquote style='border:none;border-left:solid #1010FF 1.5pt;padding:0cm 0cm 0cm 4.0pt;
margin-left:3.75pt;margin-top:5.0pt;margin-bottom:5.0pt'>
<div>
<p class=MsoNormal style='margin-left:36.0pt'><font size=2 color=navy
face=Arial><span style='font-size:10.0pt;font-family:Arial;color:navy'>Hi,</span></font></p>
</div>
<div>
<p class=MsoNormal style='margin-left:36.0pt'><font size=3
face="Times New Roman"><span style='font-size:12.0pt'> </span></font></p>
</div>
<div>
<p class=MsoNormal style='margin-left:36.0pt'><font size=2 color=navy
face=Arial><span style='font-size:10.0pt;font-family:Arial;color:navy'>Have you
tried using vtkCellPicker in your interactor?</span></font></p>
</div>
<div>
<p class=MsoNormal style='margin-left:36.0pt'><font size=3
face="Times New Roman"><span style='font-size:12.0pt'> </span></font></p>
</div>
<div>
<p class=MsoNormal style='margin-left:36.0pt'><font size=2 color=navy
face=Arial><span style='font-size:10.0pt;font-family:Arial;color:navy'>
vtCellPicker* cellPicker = vtkCellPicker::New();</span></font></p>
</div>
<div>
<p class=MsoNormal style='margin-left:36.0pt'><font size=2 color=navy
face=Arial><span style='font-size:10.0pt;font-family:Arial;color:navy'>
myInteractor->SetPicker(cellPicker);</span></font></p>
</div>
<div>
<p class=MsoNormal style='margin-left:36.0pt'><font size=2 color=navy
face=Arial><span style='font-size:10.0pt;font-family:Arial;color:navy'>
cellPicker->Delete();</span></font></p>
</div>
<div>
<p class=MsoNormal style='margin-left:36.0pt'><font size=3
face="Times New Roman"><span style='font-size:12.0pt'> </span></font></p>
</div>
<div>
<p class=MsoNormal style='margin-left:36.0pt'><font size=2 color=navy
face=Arial><span style='font-size:10.0pt;font-family:Arial;color:navy'>Then add
observers for the standard pick event (P key)</span></font></p>
</div>
<div>
<p class=MsoNormal style='margin-left:36.0pt'><font size=3
face="Times New Roman"><span style='font-size:12.0pt'> </span></font></p>
</div>
<div>
<p class=MsoNormal style='margin-left:36.0pt'><font size=2 color=navy
face=Arial><span style='font-size:10.0pt;font-family:Arial;color:navy'>
vtkCallbackCommand* pickEventCBC = vtkCallbackCommand::New();</span></font></p>
</div>
<div>
<p class=MsoNormal style='margin-left:36.0pt'><font size=2 color=navy
face=Arial><span style='font-size:10.0pt;font-family:Arial;color:navy'>
pickEventCBC->SetCallback(MyPickEventHandler );</span></font></p>
</div>
<div>
<p class=MsoNormal style='margin-left:36.0pt'><font size=2 color=navy
face=Arial><span style='font-size:10.0pt;font-family:Arial;color:navy'>
vtkAbstractPicker* picker = myInteractor->GetPicker();</span></font></p>
</div>
<div>
<p class=MsoNormal style='margin-left:36.0pt'><font size=2 color=navy
face=Arial><span style='font-size:10.0pt;font-family:Arial;color:navy'>
picker->AddObserver( vtkCommand::StartPickEvent, pickEventCBC, 0.5 );</span></font></p>
</div>
<div>
<p class=MsoNormal style='margin-left:36.0pt'><font size=2 color=navy
face=Arial><span style='font-size:10.0pt;font-family:Arial;color:navy'>
picker->AddObserver(
vtkCommand::PickEvent, pickEventCBC,
0.5 );</span></font></p>
</div>
<div>
<p class=MsoNormal style='margin-left:36.0pt'><font size=2 color=navy
face=Arial><span style='font-size:10.0pt;font-family:Arial;color:navy'>
picker->AddObserver( vtkCommand::EndPickEvent, pickEventCBC, 0.5 );</span></font></p>
</div>
<div>
<p class=MsoNormal style='margin-left:36.0pt'><font size=2 color=navy
face=Arial><span style='font-size:10.0pt;font-family:Arial;color:navy'>
pickEventCBC->Delete();</span></font></p>
</div>
<div>
<p class=MsoNormal style='margin-left:36.0pt'><font size=3
face="Times New Roman"><span style='font-size:12.0pt'> </span></font></p>
</div>
<div>
<p class=MsoNormal style='margin-left:36.0pt'><font size=2 color=navy
face=Arial><span style='font-size:10.0pt;font-family:Arial;color:navy'>Do your
work in MyPickEventHandler() e.g.</span></font></p>
</div>
<div>
<p class=MsoNormal style='margin-left:36.0pt'><font size=3
face="Times New Roman"><span style='font-size:12.0pt'> </span></font></p>
</div>
<div>
<p class=MsoNormal style='margin-left:36.0pt'><font size=2 color=navy
face=Arial><span style='font-size:10.0pt;font-family:Arial;color:navy'>
pickedCell = picker->GetCellId();</span></font></p>
</div>
<div>
<p class=MsoNormal style='margin-left:36.0pt'><font size=3
face="Times New Roman"><span style='font-size:12.0pt'> </span></font></p>
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<table class=MsoNormalTable border=0 cellspacing=0 cellpadding=0
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<td nowrap valign=top style='padding:0cm 0cm 0cm 0cm'>
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<p class=MsoNormal><font size=3 face="Times New Roman"><span
style='font-size:12.0pt'> </span></font></p>
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<p class=MsoNormal><font size=3 face="Times New Roman"><span
style='font-size:12.0pt'> </span></font></p>
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<div>
<p class=MsoNormal style='margin-left:36.0pt'><font size=2 color=navy
face=Arial><span style='font-size:10.0pt;font-family:Arial;color:navy'>HTH</span></font></p>
</div>
<div>
<p class=MsoNormal style='margin-left:36.0pt'><font size=3
face="Times New Roman"><span style='font-size:12.0pt'> </span></font></p>
</div>
<div>
<p class=MsoNormal style='margin-left:36.0pt'><font size=2 color=navy
face=Arial><span style='font-size:10.0pt;font-family:Arial;color:navy'>John.</span></font></p>
</div>
<div style='margin-left:36.0pt'>
<p class=MsoNormal style='margin-left:36.0pt'><font size=2 face=Tahoma><span
style='font-size:10.0pt;font-family:Tahoma'>-----Original Message-----<br>
<b><span style='font-weight:bold'>From:</span></b>
vtkusers-bounces+jcplatt=dsl.pipex.com@vtk.org [mailto:vtkusers-bounces+jcplatt=dsl.pipex.com@vtk.org]
<b><span style='font-weight:bold'>On Behalf Of </span></b>Oliver Diessel<br>
<b><span style='font-weight:bold'>Sent:</span></b> </span></font><font size=2 face=Tahoma><span style='font-size:10.0pt;font-family:Tahoma'>22 January 2007</span></font><font
size=2 face=Tahoma><span style='font-size:10.0pt;font-family:Tahoma'> </span></font><font size=2 face=Tahoma><span style='font-size:10.0pt;font-family:Tahoma'>07:41</span></font><font
size=2 face=Tahoma><span style='font-size:10.0pt;font-family:Tahoma'><br>
<b><span style='font-weight:bold'>To:</span></b> vtkusers@vtk.org<br>
<b><span style='font-weight:bold'>Subject:</span></b> [vtkusers] Simple queries</span></font></p>
</div>
<div style='margin-left:36.0pt'>
<p class=MsoNormal style='margin-left:36.0pt'><font size=3
face="Times New Roman"><span style='font-size:12.0pt'> </span></font></p>
</div>
<div>
<div style='margin-left:36.0pt'>
<p class=MsoNormal style='margin-left:36.0pt'><font size=3
face="Times New Roman"><span style='font-size:12.0pt'>Hi Everybody,</span></font></p>
</div>
</div>
<div>
<div style='margin-left:36.0pt'>
<p class=MsoNormal style='margin-left:36.0pt'><font size=3
face="Times New Roman"><span style='font-size:12.0pt'>
I am quite new in VTK.I have some queries.I have got a point on the surface of
an object.I want to know the cell id which contains the point and I also want
to know the normal of the cell ( Is there any difference between point normal
and cell normal?) </span></font></p>
</div>
</div>
<div>
<div style='margin-left:36.0pt'>
<p class=MsoNormal style='margin-left:36.0pt'><font size=3
face="Times New Roman"><span style='font-size:12.0pt'>Thanks everyone in
advance.</span></font></p>
</div>
</div>
<div>
<div style='margin-left:36.0pt'>
<p class=MsoNormal style='margin-left:36.0pt'><font size=3
face="Times New Roman"><span style='font-size:12.0pt'> </span></font></p>
</div>
</div>
<div>
<div style='margin-left:36.0pt'>
<p class=MsoNormal style='margin-left:36.0pt'><font size=3
face="Times New Roman"><span style='font-size:12.0pt'>Oliver.</span></font></p>
</div>
</div>
<div style='margin-left:36.0pt'>
<p class=MsoNormal style='margin-left:36.0pt'><font size=3
face="Times New Roman"><span style='font-size:12.0pt'> Send instant messages
to your online friends http://au.messenger.yahoo.com </span></font></p>
</div>
<p class=MsoNormal style='margin-left:36.0pt'><font size=3
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</blockquote>
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<hr size=1 width="100%" align=center>
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