public static extern void UserGCExposeDivideOP(UserGCObsPtSuggestionStruct *ObsPt, double OpeningInXY, double OpeningInZ, int *ObsPtsNum, UserGCObsPtSuggestionStruct *ObsPts, double *OpeningOutXY, double *OpeningOutZ);
public static extern void UserGCExposeCreateViewMatrix2(UserGCObsPtSuggestionStruct *Op, IrtHmgnMatType *ViewMat, IrtVecType *Up);