typedef itk::Point<double,3> PointType3D;
void SetPoint3D(TagType tag, PointType3D & p);
void GetPoint3D(TagType tag, PointType3D & p);
typedef itk::Point<double,3> PointType3D;
void SetPoint3D(TagType tag, PointType3D & p);
void GetPoint3D(TagType tag, PointType3D & p);