vpGetMatrix(3) Library Functions Manual vpGetMatrix(3) NAME vpGetMatrix - retrieve the contents of a transformation matrix SYNOPSIS #include <volpack.h> vpResult vpGetMatrix(vpc, matrix_code, matrix) vpContext *vpc; int matrix_code; vpMatrix4 matrix; ARGUMENTS vpc VolPack context from vpCreateContext. matrix_code A code specifying one of the VolPack transformation matrices (VP_MODEL, VP_VIEW, VP_PROJECT or VP_SCREEN). matrix Matrix for storing the result. DESCRIPTION vpGetMatrix retrieves the contents of one of the transformation matrices (see vpCurrentMatrix(3)). The special code VP_SCREEN causes the function to compute the transformation from object coordinates to image coordinates and return a matrix describing this transformation. ERRORS The normal return value is VP_OK. The following error return value is pos- sible: VPERROR_BAD_OPTION The matrix_code argument is invalid. SEE ALSO VolPack(3), vpCreateContext(3), vpCurrentMatrix(3) VolPack vpGetMatrix(3)
NAME | SYNOPSIS | ARGUMENTS | DESCRIPTION | ERRORS | SEE ALSO
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