CubitTransformMatrix.cpp File Reference

#include "CubitTransformMatrix.hpp"
#include "CubitMessage.hpp"

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Functions
CUBIT_UTIL_EXPORT CubitVector	operator* (const CubitVector &point, const CubitTransformMatrix &matrix)

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Function Documentation

CUBIT_UTIL_EXPORT CubitVector operator*	(	const CubitVector &	point,
		const CubitTransformMatrix &	matrix
	)

Definition at line 286 of file CubitTransformMatrix.cpp.

{
    // Make a 1x4 matrix, multiply matrix by it.
  CubitMatrix m1(1,4);
  m1.set(0, 0, point.x());
  m1.set(0, 1, point.y());
  m1.set(0, 2, point.z());
  m1.set(0, 3, 1);
  
    // Perform the multiplication
  m1 = m1 * matrix;
    // The result is a 1x4
  
    // Put the results into a vector (dividing by w), and return
  double w = m1.get(0,3);
  return CubitVector(m1.get(0,0)/w, m1.get(0,1)/w, m1.get(0,2)/w);
}