NewtonHeightFieldCollisionParam

	typedef struct NewtonHeightFieldCollisionParam
	{
		int m_width;
		int m_height;
		int m_gridsDiagonals;
		int m_elevationDataType;	
		dFloat m_verticalScale;
		dFloat m_horizonalScale_x;
		dFloat m_horizonalScale_z;
		dFloat m_horizonalDisplacementScale_x;
		dFloat m_horizonalDisplacementScale_z;
		void* m_vertialElevation;
		short* m_horizotalDisplacement;
		char* m_atributes;
	} NewtonHeightFieldCollisionParam;