opencascade：计算三维点在三维平面上的投影点

#include <GeomAPI_ProjectPointOnSurf.hxx>

//计算点到平面的投影
static  gp_Pnt   calculateOrthoProject(const TopoDS_Face& face, const gp_Pnt& p)
{
    gp_Pnt resultPt;
   // TopoDS_Face  face =  BRepBuilderAPI_MakeFace(plane);
    const Handle(Geom_Surface)& RefSurf = BRep_Tool::Surface(face);
    Extrema_ExtAlgo Algo = Extrema_ExtAlgo_Tree;
    GeomAPI_ProjectPointOnSurf generator(p, RefSurf, Algo );
    if (generator.NbPoints() > 0)
    {
        resultPt = generator.NearestPoint();
    }
    return resultPt;
}