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<DIV><FONT size=2>Hi,</FONT></DIV>
<DIV><FONT size=2> I don't konw that if vtkcellpick can only pick one cell
or more, and the cell's scalar value can pick?</FONT></DIV>
<DIV><FONT size=2>the </DIV>
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<TR>
<TD class=md vAlign=top noWrap>virtual float
vtkCellPicker::IntersectWithLine </TD>
<TD class=md vAlign=top>( </TD>
<TD class=md vAlign=top noWrap>float </TD>
<TD class=mdname noWrap> <EM>p1</EM>[3], </TD></TR>
<TR>
<TD></TD>
<TD></TD>
<TD class=md noWrap>float </TD>
<TD class=mdname noWrap> <EM>p2</EM>[3], </TD></TR>
<TR>
<TD><FONT size=2></FONT></TD>
<TD></TD>
<TD class=md noWrap>float </TD>
<TD class=mdname noWrap> <EM>tol</EM>, </TD></TR>
<TR>
<TD></TD>
<TD></TD>
<TD class=md noWrap><A class=el
href="file:///D:/vtk/html/classvtkAssemblyPath.html">vtkAssemblyPath</A>
* </TD>
<TD class=mdname noWrap> <EM>path</EM>, </TD></TR>
<TR>
<TD></TD>
<TD></TD>
<TD class=md noWrap><A class=el
href="file:///D:/vtk/html/classvtkProp3D.html">vtkProp3D</A> * </TD>
<TD class=mdname noWrap> <EM>p</EM>, </TD></TR>
<TR>
<TD></TD>
<TD></TD>
<TD class=md noWrap><A class=el
href="file:///D:/vtk/html/classvtkAbstractMapper3D.html">vtkAbstractMapper3D</A>
* </TD>
<TD class=mdname noWrap> <EM>m</EM></TD></TR>
<TR>
<TD></TD>
<TD class=md>) </TD>
<TD class=md colSpan=2><CODE>[protected,
virtual]</CODE></TD></TR></TBODY></TABLE></DIV>
<DIV>I don't konw how it's function and how to use it.</DIV>
<DIV></FONT> </DIV>
<DIV><FONT size=2>Specially, I want to draw a line or curve on a 3D object and
display the 2D section.Could you tell me how to do that.</FONT></DIV>
<DIV><FONT size=2>Thanks.</FONT></DIV></FONT></DIV></BODY></HTML>