[Insight-developers] itkAffineTransformMeshFilter

[Will Schroeder]

Deep copy methods will eventually be needed.
Will


At 01:53 PM 2/27/2001 -0500, Brad King wrote:
>Luis,
>
> > What is the efficient way to pass the rest of the Mesh data ?
>The idea of the methods like "SetPointData" and "GetPointData" is that
>multiple Mesh instances can share the containers for information they
>share (Cell geometry, CellData, PointData, BoundaryAssignments, etc).
>This saves a large amount of memory when most of the instances use the
>containers in a read-only manner.
>
>Therefore, you want to transfer Mesh data like this:
>
>m_OutputMesh->SetPointData(m_InputMesh->GetPointData());
>
>I'm guessing you'll want to copy all the containers from the old mesh to
>the new, except the ones holding the data that have been transformed.
>
>This also allows cool things like transforming the geometry of a Mesh,
>performing operations on how that geometry relates to the data, and then
>accessing the results through the un-transformed version of the Mesh, with
>no need to transform the geometry back.  I don't know when you'd ever want
>to do something like this, but it can be done.
>
>We may want to add deep-copy support to the containers for other
>uses.  Thoughts on this, anyone?
>
>-Brad
>
>
>
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