Hello, You are correct, it is not an affine matrix. A description of the file’s content is available at http://brainvis.wustl.edu/CaretHelpAccount/caret5_help/file_formats/file_formats.html#deformationMapFile.
Essentially, the deformation map file defines a resampling of one surface triangular mesh to another. For each vertex in the target surface, it identifies the corresponding location in the source surface using barycentric coordinates. A barycentric coordinate contains three vertex indices that form a triangle and the weights define the location within the triangle. John H On Oct 20, 2017, at 1:00 PM, tony han <oktony...@hotmail.com<mailto:oktony...@hotmail.com>> wrote: Hi, I notice that there are 6 columns of data stored in the deformation map (actually it's 7 but the first one looks like the indices). So what are these columns? It doesn't look like affine matrices? Thanks! Best, Tony _______________________________________________ caret-users mailing list email@example.com<mailto:firstname.lastname@example.org> http://brainvis.wustl.edu/mailman/listinfo/caret-users
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