+ return std::shared_ptr<GeomAPI_Dir>(new GeomAPI_Dir(aDir.X(), aDir.Y(), aDir.Z()));
+}
+
+std::shared_ptr<GeomAPI_Dir> GeomAPI_Pln::xDirection() const
+{
+ const gp_Dir& aDir = impl<gp_Pln>().XAxis().Direction();
+ return std::shared_ptr<GeomAPI_Dir>(new GeomAPI_Dir(aDir.X(), aDir.Y(), aDir.Z()));
+}
+
+void GeomAPI_Pln::coefficients(double& theA, double& theB, double& theC, double& theD)
+{
+ impl<gp_Pln>().Coefficients(theA, theB, theC, theD);
+}
+
+bool GeomAPI_Pln::isCoincident(const std::shared_ptr<GeomAPI_Pln> thePlane,
+ const double theTolerance)
+{
+ if(!thePlane.get()) {
+ return false;
+ }
+
+ const gp_Pln& aMyPln = impl<gp_Pln>();
+ const gp_Pln& anOtherPln = thePlane->impl<gp_Pln>();
+ return (aMyPln.Contains(anOtherPln.Location(), theTolerance) &&
+ aMyPln.Axis().IsParallel(anOtherPln.Axis(), theTolerance));
+}
+
+bool GeomAPI_Pln::isParallel(const std::shared_ptr<GeomAPI_Lin> theLine)
+{
+ std::shared_ptr<GeomAPI_XYZ> aLineDir = theLine->direction()->xyz();
+ std::shared_ptr<GeomAPI_XYZ> aLineLoc = theLine->location()->xyz();
+
+ std::shared_ptr<GeomAPI_XYZ> aNormal = direction()->xyz();
+ std::shared_ptr<GeomAPI_XYZ> aLocation = location()->xyz();
+
+ double aDot = aNormal->dot(aLineDir);
+ return Abs(aDot) < Precision::SquareConfusion();
+}
+
+std::shared_ptr<GeomAPI_Pnt>
+ GeomAPI_Pln::intersect(const std::shared_ptr<GeomAPI_Lin>& theLine) const
+{
+ std::shared_ptr<GeomAPI_XYZ> aLineDir = theLine->direction()->xyz();
+ std::shared_ptr<GeomAPI_XYZ> aLineLoc = theLine->location()->xyz();
+
+ std::shared_ptr<GeomAPI_XYZ> aNormal = direction()->xyz();
+ std::shared_ptr<GeomAPI_XYZ> aLocation = location()->xyz();
+
+ double aDot = aNormal->dot(aLineDir);
+ if (Abs(aDot) < Precision::SquareConfusion())
+ return std::shared_ptr<GeomAPI_Pnt>();
+
+ double aParam = aNormal->dot(aLocation->decreased(aLineLoc)) / aDot;
+ return std::shared_ptr<GeomAPI_Pnt>(
+ new GeomAPI_Pnt(aLineLoc->added(aLineDir->multiplied(aParam))));
+}
+
+std::shared_ptr<GeomAPI_Pnt>
+ GeomAPI_Pln::project(const std::shared_ptr<GeomAPI_Pnt>& thePoint) const
+{
+ std::shared_ptr<GeomAPI_XYZ> aNormal = direction()->xyz();
+ std::shared_ptr<GeomAPI_XYZ> aLocation = location()->xyz();
+
+ std::shared_ptr<GeomAPI_XYZ> aVec = thePoint->xyz()->decreased(aLocation);
+ double aDot = aNormal->dot(aVec);
+ std::shared_ptr<GeomAPI_XYZ> aProjection =
+ aLocation->added(aVec->decreased(aNormal->multiplied(aDot)));
+ return std::shared_ptr<GeomAPI_Pnt>(new GeomAPI_Pnt(aProjection));
+}
+
+double GeomAPI_Pln::distance(const std::shared_ptr<GeomAPI_Pln> thePlane) const
+{
+ const gp_Pln& aMyPln = impl<gp_Pln>();
+ const gp_Pln& anOtherPln = thePlane->impl<gp_Pln>();
+
+ return aMyPln.Distance(anOtherPln);
+}
+
+void GeomAPI_Pln::translate(const std::shared_ptr<GeomAPI_Dir> theDir, double theDist)
+{
+ gp_Vec aVec(theDir->impl<gp_Dir>());
+ aVec.Normalize();
+ aVec.Multiply(theDist);
+ implPtr<gp_Pln>()->Translate(aVec);
+}
+
+std::shared_ptr<GeomAPI_Lin>
+ GeomAPI_Pln::intersect(const std::shared_ptr<GeomAPI_Pln> thePlane) const
+{
+ std::shared_ptr<GeomAPI_Lin> aRes;
+
+ if(!thePlane.get()) {
+ return aRes;
+ }
+
+ const gp_Pln& aMyPln = impl<gp_Pln>();
+ const gp_Pln& anOtherPln = thePlane->impl<gp_Pln>();
+
+ IntAna_QuadQuadGeo aQuad(aMyPln, anOtherPln, Precision::Confusion(), Precision::Confusion());
+
+ if(aQuad.IsDone() != Standard_True) {
+ return aRes;
+ }
+
+ if(aQuad.NbSolutions() != 1) {
+ return aRes;
+ }
+
+ gp_Lin aLin = aQuad.Line(1);
+ gp_Pnt aLoc = aLin.Location();
+ gp_Dir aDir = aLin.Direction();
+
+ std::shared_ptr<GeomAPI_Pnt> aGeomLoc(new GeomAPI_Pnt(aLoc.X(), aLoc.Y(), aLoc.Z()));
+ std::shared_ptr<GeomAPI_Dir> aGeomDir(new GeomAPI_Dir(aDir.X(), aDir.Y(), aDir.Z()));
+
+ aRes.reset(new GeomAPI_Lin(aGeomLoc, aGeomDir));
+
+ return aRes;