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3D virtual & physical modeling


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The CHI website infers that RTIs can be used for "3D."


Obvisouly the calculated surface normals and viewers do relay 3D texture information, but have you ever seen RTI/PTM data used for 3D computer or physical models?


For example converting them into a conventional 3D computer model for use in CAD, animation, or other 3D computer software?





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Hi Jason,


This issue was actually covered in another topic discussion:



Bottom line is that normal data *IS* 3D data, though it isn't points in cartesian space. When you convert the normal data to a 3D surface there is an uncertainty that accumulates, so you have a warping problem. See the post for the rest of the details and links to some papers on this.



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