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+/******************************************************************/
+/* This file is part of the homework assignments for CSCI-427/527 */
+/* at The College of William & Mary and authored by Pieter Peers. */
+/* No part of this file, whether altered or in original form, can */
+/* be distributed or used outside the context of CSCI-427/527 */
+/* without consent of either the College of William & Mary or */
+/* Pieter Peers. */
+/******************************************************************/
+#ifndef _COORDINATETRANSFORMATION3D_H_
+#define _COORDINATETRANSFORMATION3D_H_
+
+#include "transformation3d.h"
+
+///////////////////////////////////////////////
+// Transformation between coordinate systems //
+// forward transform: from local to global //
+// inverse transform: from global to local //
+///////////////////////////////////////////////
+class coordinateTransformation : public transformation3d {
+ public:
+ //////////////////
+ // Constructors //
+ //////////////////
+ coordinateTransformation(void);
+ coordinateTransformation(const vec3d& normal);
+ coordinateTransformation(const vec3d& normal, const vec3d& other);
+ coordinateTransformation(const vec3d& X, const vec3d& Y, const vec3d& Z);
+};
+
+#endif /* _COORDINATETRANSFORMATION3D_H_ */
+