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[cgal-discuss] Coordinate system and make surface mesh


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  • From: Tony Apicella <>
  • To: "" <>
  • Subject: [cgal-discuss] Coordinate system and make surface mesh
  • Date: Wed, 6 Jan 2021 18:28:10 +0000
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Questions about the geometry CGAL is using when making surface meshes.

I wanted the values of the mesh vertices to be based on the location of the gray scale voxels.

I have translated the gray scale image in space using the TX, TY, and TZ fields in the INR image format.

But the vertices of the mesh always have about the same locations as when the translations are zero.

Does CGAL shifts the gray scale image such that TX, TY, and TZ are zero, or that the first row/column/slice is at location 0?

Does CGAL expect that the center of the bounding sphere is the relative distance from the first row, column, and slice?

Thank you










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