public static extern TrivTVStruct *TrivTrilinearSrf(CagdPtStruct *Pt000,
CagdPtStruct *Pt001,
CagdPtStruct *Pt010,
CagdPtStruct *Pt011,
CagdPtStruct *Pt100,
CagdPtStruct *Pt101,
CagdPtStruct *Pt110,
CagdPtStruct *Pt111);
public static extern MdlTrimSegStruct *MdlDivideTrimCrv(MdlTrimSegStruct *Seg,
CagdPtStruct *Pts,
int Idx,
double Eps,
int *Proximity);
public static extern int MdlSplitTrimCrv(MdlTrimSegStruct *Seg,
CagdPtStruct *Pts,
int Idx,
double Eps,
int *Proximity);
