This structure declares an extended three-dimensional point. The extended point contains one additional field that is used as a weight for NURBS surfaces.
Declaration:
 Copy Code |
|
|---|---|
typedef struct tag_IGVectPoint3DEx
{
VECT_REAL m_x;
VECT_REAL m_y;
VECT_REAL m_z;
VECT_REAL m_w;
} IGVectPoint3DEx;
|
|
Members:
| m_x | x coordinate. |
| m_y | y coordinate. |
| m_z | z coordinate. |
| m_w | Weight of the point. |