public static extern void IRndrGetClippingPlanes(IRndrStruct *Rend, IrtPlnType *ClipPlanes);
public static extern TrimSrfStruct *TrimSrfFromE3TrimmingCurves(TrimCrvStruct *TCrvs, IrtPlnType *Plane);
public static extern IPObjectStruct *BooleanCONTOUR(IPObjectStruct *PObj, IrtPlnType *Pln);
public static extern MdlModelStruct *MdlClipModelByPlane(MdlModelStruct *Mdl, IrtPlnType *Pln, MdlBooleanType BoolOp);
public static extern TrimSrfStruct *MdlClipTrimmedSrfByPlane(TrimSrfStruct *TSrf, IrtPlnType *Pln);
public static extern TrimSrfStruct *MdlClipSrfByPlane(CagdSrfStruct *Srf, IrtPlnType *Pln);
public static extern CagdCrvStruct *MdlInterSrfByPlane(CagdSrfStruct *Trf, IrtPlnType *Pln);
public static extern VMdlVModelStruct *VMdlClipVModelByPlane(VMdlVModelStruct *Mdl, IrtPlnType *Pln, VMdlBoolOpType BoolOp);