<div dir="ltr">You might be interested in this paper that introduces a technique for comparing two objects:<div><br><div><a href="http://www.cs.unc.edu/~weigle/Papers/Vis05-Intersecting_Surfaces.pdf">http://www.cs.unc.edu/~weigle/Papers/Vis05-Intersecting_Surfaces.pdf</a><br>
</div></div><div class="gmail_extra"><br></div><div class="gmail_extra">A version of the technique where you view the union of the surfaces in wireframe (or semi-transparent, though that isn't great for understanding shape) and the intersection of the surfaces as solid is fairly easy to achieve with the boolean operation filter:</div>
<div class="gmail_extra"><br></div><div class="gmail_extra"><a href="http://www.vtk.org/doc/nightly/html/classvtkBooleanOperationPolyDataFilter.html">http://www.vtk.org/doc/nightly/html/classvtkBooleanOperationPolyDataFilter.html</a><br>
</div><div class="gmail_extra"><br></div><div class="gmail_extra">The code in this filter is based on the code developed to generate results for the paper I cited above.</div><div class="gmail_extra"><br></div><div class="gmail_extra">
An example of using the boolean operation filter is available at:</div><div class="gmail_extra"><br></div><div class="gmail_extra"><a href="http://www.vtk.org/Wiki/VTK/Examples/Cxx/PolyData/BooleanOperationPolyDataFilter">http://www.vtk.org/Wiki/VTK/Examples/Cxx/PolyData/BooleanOperationPolyDataFilter</a><br>
</div><div class="gmail_extra"><br></div><div class="gmail_extra">Cory</div><div class="gmail_extra"><br><br><div class="gmail_quote">On Wed, Sep 18, 2013 at 3:55 AM, Andrew Legacci <span dir="ltr"><<a href="mailto:andrewlegacci@gmail.com" target="_blank">andrewlegacci@gmail.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex"><div dir="ltr">Hi all,<div><br></div><div>Suppose I have two objects read from a file, say a cube and another cube whose side is slightly warped. </div>
<div><br></div><div>What is the best way to visualize the difference between the two? I want to point out the deformation in the object.</div>
<div><br></div><div>Thanks,</div><div>Andrew</div><div><br></div></div>
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<br></blockquote></div><br><br clear="all"><div><br></div>-- <br>Cory Quammen<div>Research Associate</div><div>Department of Computer Science</div><div>The University of North Carolina at Chapel Hill</div>
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