public static extern SU_RESULT SUPlane3DSetWithCoefficients(ref SUPlane3D plane, double a, double b, double c, double d);
public static extern SU_RESULT SUPlane3DGetPosition(ref SUPlane3D plane, ref SUPoint3D position);
public static extern SU_RESULT SUPlane3DSetWithPoints(ref SUPlane3D plane, ref SUPoint3D point1, ref SUPoint3D point2, ref SUPoint3D point3);
public static extern SU_RESULT SUPlane3DSetWithPointAndNormal(ref SUPlane3D plane, ref SUPoint3D point, ref SUVector3D normal);
public static extern SU_RESULT SUPlane3DProjectTo(ref SUPlane3D plane, ref SUPoint3D point, ref SUPoint3D projected_point);
public static extern SU_RESULT SUPlane3DTransform(ref SUTransformation transform, ref SUPlane3D plane);
public static extern SU_RESULT SUPlane3DIsOn(ref SUPlane3D plane, ref SUPoint3D point, ref bool is_on);
public static extern SU_RESULT SUPlane3DDistanceTo(ref SUPlane3D plane, ref SUPoint3D point, ref double distance);
public static extern SU_RESULT SUPlane3DGetNormal(ref SUPlane3D plane, ref SUVector3D normal);
public static extern SU_RESULT SUFaceGetPlane(SUFaceRef face, ref SUPlane3D plane);
public static extern SU_RESULT SUDimensionGetPlane(SUDimensionRef dimension, ref SUPlane3D plane);
public static extern SU_RESULT SUSectionPlaneGetPlane(SUSectionPlaneRef sectionPlane, ref SUPlane3D plane);
public static extern SU_RESULT SUAxesGetPlane(SUAxesRef axes, ref SUPlane3D plane);