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Merge commit 'refs/tags/V9_2_0^{}'
[modules/shaper.git] / src / GeomAPI / GeomAPI_Face.cpp
index a455a0aaa8b89cfa6f24fdfe7038b63d5ca27905..bf2dbddf17bd7984038420423b2d94ffd5b6b255 100644 (file)
@@ -1,18 +1,55 @@
-// File:        GeomAPI_Face.cpp
-// Created:     2 Dec 2014
-// Author:      Artem ZHIDKOV
+// Copyright (C) 2014-2017  CEA/DEN, EDF R&D
+//
+// This library is free software; you can redistribute it and/or
+// modify it under the terms of the GNU Lesser General Public
+// License as published by the Free Software Foundation; either
+// version 2.1 of the License, or (at your option) any later version.
+//
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+// Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public
+// License along with this library; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+//
+// See http://www.salome-platform.org/ or
+// email : webmaster.salome@opencascade.com<mailto:webmaster.salome@opencascade.com>
+//
 
-#include <GeomAPI_Face.h>
-#include <GeomAPI_Dir.h>
-#include <GeomAPI_Pln.h>
-#include <GeomAPI_Pnt.h>
+#include "GeomAPI_Face.h"
 
-#include <TopoDS_Shape.hxx>
-#include <TopoDS_Face.hxx>
-#include <TopoDS.hxx>
+#include "GeomAPI_Dir.h"
+#include "GeomAPI_Pln.h"
+#include "GeomAPI_Pnt.h"
+#include "GeomAPI_Sphere.h"
+#include "GeomAPI_Cylinder.h"
+#include "GeomAPI_Cone.h"
+#include "GeomAPI_Torus.h"
+
+#include <BOPTools_AlgoTools.hxx>
 #include <BRep_Tool.hxx>
+#include <BRepAdaptor_Surface.hxx>
+#include <BRepGProp_Face.hxx>
+#include <BRepTools.hxx>
 #include <Geom_Surface.hxx>
-#include <Geom_Plane.hxx>
+#include <Geom_SphericalSurface.hxx>
+#include <Geom_ConicalSurface.hxx>
+#include <Geom_CylindricalSurface.hxx>
+#include <Geom_RectangularTrimmedSurface.hxx>
+#include <Geom_ToroidalSurface.hxx>
+#include <GeomLib_IsPlanarSurface.hxx>
+#include <IntTools_Context.hxx>
+#include <Standard_Type.hxx>
+#include <TopoDS.hxx>
+#include <TopoDS_Face.hxx>
+
+#include <gp_Sphere.hxx>
+#include <gp_Cylinder.hxx>
+#include <gp_Cone.hxx>
+#include <gp_Torus.hxx>
+
 
 GeomAPI_Face::GeomAPI_Face()
   : GeomAPI_Shape()
@@ -28,14 +65,20 @@ GeomAPI_Face::GeomAPI_Face(const std::shared_ptr<GeomAPI_Shape>& theShape)
 
 bool GeomAPI_Face::isEqual(std::shared_ptr<GeomAPI_Shape> theFace) const
 {
+  if (!theFace.get())
+    return false;
+
   if (!theFace->isFace())
     return false;
 
   const TopoDS_Shape& aMyShape = const_cast<GeomAPI_Face*>(this)->impl<TopoDS_Shape>();
   const TopoDS_Shape& aInShape = theFace->impl<TopoDS_Shape>();
 
-  Handle(Geom_Surface) aMySurf = BRep_Tool::Surface(TopoDS::Face(aMyShape));
-  Handle(Geom_Surface) aInSurf = BRep_Tool::Surface(TopoDS::Face(aInShape));
+  TopoDS_Face aMyFace = TopoDS::Face(aMyShape);
+  TopoDS_Face aInFace = TopoDS::Face(aInShape);
+
+  Handle(Geom_Surface) aMySurf = BRep_Tool::Surface(aMyFace);
+  Handle(Geom_Surface) aInSurf = BRep_Tool::Surface(aInFace);
 
   // Check that surfaces a the same type
   if (aMySurf->DynamicType() != aInSurf->DynamicType())
@@ -54,42 +97,161 @@ bool GeomAPI_Face::isEqual(std::shared_ptr<GeomAPI_Shape> theFace) const
       fabs(aMyVMax - aInVMax) > Precision::PConfusion())
     return false;
 
-  return true;
+  Handle(IntTools_Context) aContext = new IntTools_Context();
+  // Double check needed because BOPTools_AlgoTools::AreFacesSameDomain not very smart.
+  Standard_Boolean aRes = BOPTools_AlgoTools::AreFacesSameDomain(aMyFace, aInFace, aContext)
+    && BOPTools_AlgoTools::AreFacesSameDomain(aInFace, aMyFace, aContext);
+
+  return aRes == Standard_True;
 }
 
-bool GeomAPI_Face::isPlanar() const
+bool GeomAPI_Face::isCylindrical() const
 {
   const TopoDS_Shape& aShape = const_cast<GeomAPI_Face*>(this)->impl<TopoDS_Shape>();
   Handle(Geom_Surface) aSurf = BRep_Tool::Surface(TopoDS::Face(aShape));
-  if (aSurf->IsKind(STANDARD_TYPE(Geom_Plane)))
-    return true;
-  return false;
+  Handle(Geom_RectangularTrimmedSurface) aTrimmed =
+    Handle(Geom_RectangularTrimmedSurface)::DownCast(aSurf);
+  if (!aTrimmed.IsNull())
+    aSurf = aTrimmed->BasisSurface();
+  return aSurf->IsKind(STANDARD_TYPE(Geom_CylindricalSurface)) == Standard_True;
 }
 
 std::shared_ptr<GeomAPI_Pln> GeomAPI_Face::getPlane() const
 {
-  const TopoDS_Shape& aShape = const_cast<GeomAPI_Face*>(this)->impl<TopoDS_Shape>();
-  Handle(Geom_Surface) aSurf = BRep_Tool::Surface(TopoDS::Face(aShape));
+  std::shared_ptr<GeomAPI_Pln> aResult;
+  TopoDS_Shape aShape = this->impl<TopoDS_Shape>();
+  if (aShape.IsNull())
+    return aResult;  // null shape
+  if (aShape.ShapeType() != TopAbs_FACE)
+    return aResult;  // not face
+  TopoDS_Face aFace = TopoDS::Face(aShape);
+  if (aFace.IsNull())
+    return aResult;  // not face
+  Handle(Geom_Surface) aSurf = BRep_Tool::Surface(aFace);
+  if (aSurf.IsNull())
+    return aResult;  // no surface
+  GeomLib_IsPlanarSurface isPlanar(aSurf);
+  if(!isPlanar.IsPlanar()) {
+    return aResult;
+  }
+  gp_Pln aPln = isPlanar.Plan();
+  double aA, aB, aC, aD;
+  aPln.Coefficients(aA, aB, aC, aD);
+  if (aFace.Orientation() == TopAbs_REVERSED) {
+    aA = -aA;
+    aB = -aB;
+    aC = -aC;
+    aD = -aD;
+  }
+  aResult = std::shared_ptr<GeomAPI_Pln>(new GeomAPI_Pln(aA, aB, aC, aD));
+  return aResult;
+}
+
+std::shared_ptr<GeomAPI_Sphere> GeomAPI_Face::getSphere() const
+{
+  GeomSpherePtr aSphere;
+
+  const TopoDS_Face& aFace = TopoDS::Face(impl<TopoDS_Shape>());
+  Handle(Geom_Surface) aSurf = BRep_Tool::Surface(aFace);
+  if (aSurf->IsKind(STANDARD_TYPE(Geom_SphericalSurface))) {
+    gp_Sphere aSph = Handle(Geom_SphericalSurface)::DownCast(aSurf)->Sphere();
+    const gp_Pnt& aCenter = aSph.Location();
+    double aRadius = aSph.Radius();
+
+    GeomPointPtr aCenterPnt(new GeomAPI_Pnt(aCenter.X(), aCenter.Y(), aCenter.Z()));
+    aSphere = GeomSpherePtr(new GeomAPI_Sphere(aCenterPnt, aRadius));
+  }
+  return aSphere;
+}
+
+std::shared_ptr<GeomAPI_Cylinder> GeomAPI_Face::getCylinder() const
+{
+  GeomCylinderPtr aCylinder;
 
-  if (!aSurf->IsKind(STANDARD_TYPE(Geom_Plane)))
-    return std::shared_ptr<GeomAPI_Pln>();
+  const TopoDS_Face& aFace = TopoDS::Face(impl<TopoDS_Shape>());
+  Handle(Geom_Surface) aSurf = BRep_Tool::Surface(aFace);
+  if (aSurf->IsKind(STANDARD_TYPE(Geom_CylindricalSurface))) {
+    gp_Cylinder aCyl = Handle(Geom_CylindricalSurface)::DownCast(aSurf)->Cylinder();
+    gp_Pnt aLoc = aCyl.Location();
+    const gp_Dir& aDir = aCyl.Position().Direction();
+    double aRadius = aCyl.Radius();
 
-  // Obtain central point
+    double aUMin, aUMax, aVMin, aVMax;
+    BRepTools::UVBounds(aFace, aUMin, aUMax, aVMin, aVMax);
+    double aHeight = aVMax - aVMin;
+
+    aLoc.ChangeCoord() += aDir.XYZ() * aVMin;
+    GeomPointPtr aLocation(new GeomAPI_Pnt(aLoc.X(), aLoc.Y(), aLoc.Z()));
+    GeomDirPtr aDirection(new GeomAPI_Dir(aDir.X(), aDir.Y(), aDir.Z()));
+    aCylinder = GeomCylinderPtr(new GeomAPI_Cylinder(aLocation, aDirection, aRadius, aHeight));
+  }
+  return aCylinder;
+}
+
+std::shared_ptr<GeomAPI_Cone> GeomAPI_Face::getCone() const
+{
+  GeomConePtr aCone;
+
+  const TopoDS_Face& aFace = TopoDS::Face(impl<TopoDS_Shape>());
+  Handle(Geom_Surface) aSurf = BRep_Tool::Surface(aFace);
+  if (aSurf->IsKind(STANDARD_TYPE(Geom_ConicalSurface))) {
+    gp_Cone aCon = Handle(Geom_ConicalSurface)::DownCast(aSurf)->Cone();
+    gp_Pnt aLoc = aCon.Location();
+    gp_Dir aDir = aCon.Position().Direction();
+
+    double aUMin, aUMax, aVMin, aVMax;
+    BRepTools::UVBounds(aFace, aUMin, aUMax, aVMin, aVMax);
+
+    double aSemiAngle = Abs(aCon.SemiAngle());
+    double aRadius1 = Abs(aCon.RefRadius() + aVMin * Sin(aCon.SemiAngle()));
+    double aRadius2 = Abs(aCon.RefRadius() + aVMax * Sin(aCon.SemiAngle()));
+
+    aLoc.ChangeCoord() += aDir.XYZ() * aVMin * Cos(aCon.SemiAngle());
+
+    GeomPointPtr aLocation(new GeomAPI_Pnt(aLoc.X(), aLoc.Y(), aLoc.Z()));
+    GeomDirPtr aDirection(new GeomAPI_Dir(aDir.X(), aDir.Y(), aDir.Z()));
+    aCone = GeomConePtr(new GeomAPI_Cone(aLocation, aDirection, aSemiAngle, aRadius1, aRadius2));
+  }
+  return aCone;
+}
+
+std::shared_ptr<GeomAPI_Torus> GeomAPI_Face::getTorus() const
+{
+  GeomTorusPtr aTorus;
+
+  const TopoDS_Face& aFace = TopoDS::Face(impl<TopoDS_Shape>());
+  Handle(Geom_Surface) aSurf = BRep_Tool::Surface(aFace);
+  if (aSurf->IsKind(STANDARD_TYPE(Geom_ToroidalSurface))) {
+    gp_Torus aTor = Handle(Geom_ToroidalSurface)::DownCast(aSurf)->Torus();
+    const gp_Pnt& aLoc = aTor.Location();
+    const gp_Dir& aDir = aTor.Position().Direction();
+    double aMajorRadius = aTor.MajorRadius();
+    double aMinorRadius = aTor.MinorRadius();
+
+    GeomPointPtr aCenter(new GeomAPI_Pnt(aLoc.X(), aLoc.Y(), aLoc.Z()));
+    GeomDirPtr aDirection(new GeomAPI_Dir(aDir.X(), aDir.Y(), aDir.Z()));
+    aTorus = GeomTorusPtr(new GeomAPI_Torus(aCenter, aDirection, aMajorRadius, aMinorRadius));
+  }
+  return aTorus;
+}
+
+GeomPointPtr GeomAPI_Face::middlePoint() const
+{
+  GeomPointPtr anInnerPoint;
+
+  const TopoDS_Face& aFace = impl<TopoDS_Face>();
+  if (aFace.IsNull())
+    return anInnerPoint;
+
+  BRepGProp_Face aProp(aFace);
   double aUMin, aUMax, aVMin, aVMax;
-  aSurf->Bounds(aUMin, aUMax, aVMin, aVMax);
-  gp_Pnt aCentralPnt;
-  gp_Vec aDU, aDV;
-  aSurf->D1((aUMin+aUMax)*0.5, (aVMin+aVMax)*0.5, aCentralPnt, aDU, aDV);
-  std::shared_ptr<GeomAPI_Pnt> aCenter(
-      new GeomAPI_Pnt(aCentralPnt.X(), aCentralPnt.Y(), aCentralPnt.Z()));
-
-  // Obtain plane direction
-  gp_XYZ aNormalVec = aDU.XYZ().Crossed(aDV.XYZ());
-  if (aNormalVec.SquareModulus() < Precision::Confusion() * Precision::Confusion())
-    return std::shared_ptr<GeomAPI_Pln>();
-  std::shared_ptr<GeomAPI_Dir> aNormal(
-      new GeomAPI_Dir(aNormalVec.X(), aNormalVec.Y(), aNormalVec.Z()));
-
-  std::shared_ptr<GeomAPI_Pln> aResult(new GeomAPI_Pln(aCenter, aNormal));
-  return aResult;
+  aProp.Bounds(aUMin, aUMax, aVMin, aVMax);
+
+  Handle(Geom_Surface) aSurf = BRep_Tool::Surface(aFace);
+  if (aSurf.IsNull())
+    return anInnerPoint;
+
+  gp_Pnt aPnt = aSurf->Value((aUMin + aUMax) * 0.5, (aVMin + aVMax) * 0.5);
+  anInnerPoint = GeomPointPtr(new GeomAPI_Pnt(aPnt.X(), aPnt.Y(), aPnt.Z()));
+  return anInnerPoint;
 }