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Issue #3140: Add show/hide Isos menu item.
[modules/shaper.git] / src / GeomAPI / GeomAPI_Face.cpp
index 89e39adfe2cdc3bce1b9740af4983182ac5c5bb6..c6b76d2bd62a286ac34917d5ee2497afafab7941 100644 (file)
@@ -1,4 +1,4 @@
-// Copyright (C) 2014-2017  CEA/DEN, EDF R&D
+// Copyright (C) 2014-2019  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
 //
 // 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
+// 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>
+// See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
 //
 
 #include "GeomAPI_Face.h"
@@ -24,6 +23,7 @@
 #include "GeomAPI_Pln.h"
 #include "GeomAPI_Pnt.h"
 #include "GeomAPI_Sphere.h"
+#include "GeomAPI_Curve.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 <BRepTopAdaptor_TopolTool.hxx>
 #include <Geom_Surface.hxx>
 #include <Geom_SphericalSurface.hxx>
 #include <Geom_ConicalSurface.hxx>
 #include <Geom_CylindricalSurface.hxx>
+#include <Geom_OffsetSurface.hxx>
+#include <Geom_Plane.hxx>
 #include <Geom_RectangularTrimmedSurface.hxx>
+#include <Geom_SurfaceOfLinearExtrusion.hxx>
+#include <Geom_SurfaceOfRevolution.hxx>
+#include <Geom_SweptSurface.hxx>
 #include <Geom_ToroidalSurface.hxx>
+#include <GeomAdaptor_HSurface.hxx>
+#include <GeomAPI_ExtremaCurveCurve.hxx>
 #include <GeomLib_IsPlanarSurface.hxx>
+#include <IntPatch_ImpImpIntersection.hxx>
 #include <IntTools_Context.hxx>
 #include <Standard_Type.hxx>
 #include <TopoDS.hxx>
@@ -97,13 +107,104 @@ bool GeomAPI_Face::isEqual(std::shared_ptr<GeomAPI_Shape> theFace) const
     return false;
 
   Handle(IntTools_Context) aContext = new IntTools_Context();
-  // Double check needed bacause BOPTools_AlgoTools::CheckSameGeom not very smart.
-  Standard_Boolean aRes = BOPTools_AlgoTools::CheckSameGeom(aMyFace, aInFace, aContext)
-    && BOPTools_AlgoTools::CheckSameGeom(aInFace, aMyFace, aContext);
+  // 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;
 }
 
+static Handle(Geom_Surface) baseSurface(const TopoDS_Face& theFace)
+{
+  Handle(Geom_Surface) aSurf = BRep_Tool::Surface(theFace);
+  while (aSurf->IsKind(STANDARD_TYPE(Geom_RectangularTrimmedSurface))) {
+    Handle(Geom_RectangularTrimmedSurface) rts =
+        Handle(Geom_RectangularTrimmedSurface)::DownCast(aSurf);
+    aSurf = rts->BasisSurface();
+  }
+  return aSurf;
+}
+
+bool GeomAPI_Face::isSameGeometry(const std::shared_ptr<GeomAPI_Shape> theShape) const
+{
+  if (!theShape->isFace())
+    return false;
+  if (isSame(theShape))
+    return true;
+
+  GeomFacePtr anOther = theShape->face();
+  if (isPlanar() && anOther->isPlanar()) {
+    GeomPlanePtr anOwnPlane = getPlane();
+    GeomPlanePtr anOtherPlane = anOther->getPlane();
+    return anOwnPlane->isCoincident(anOtherPlane);
+  }
+
+  TopoDS_Face anOwnFace = TopoDS::Face(impl<TopoDS_Shape>());
+  TopoDS_Face anOtherFace = TopoDS::Face(theShape->impl<TopoDS_Shape>());
+
+  Handle(Geom_Surface) anOwnSurf = baseSurface(anOwnFace);
+  Handle(Geom_Surface) anOtherSurf = baseSurface(anOtherFace);
+
+  // case of two elementary surfaces
+  if (anOwnSurf->IsKind(STANDARD_TYPE(Geom_ElementarySurface)) &&
+      anOtherSurf->IsKind(STANDARD_TYPE(Geom_ElementarySurface)))
+  {
+    Handle(GeomAdaptor_HSurface) aGA1 = new GeomAdaptor_HSurface(anOwnSurf);
+    Handle(GeomAdaptor_HSurface) aGA2 = new GeomAdaptor_HSurface(anOtherSurf);
+
+    Handle(BRepTopAdaptor_TopolTool) aTT1 = new BRepTopAdaptor_TopolTool();
+    Handle(BRepTopAdaptor_TopolTool) aTT2 = new BRepTopAdaptor_TopolTool();
+
+    try {
+      IntPatch_ImpImpIntersection anIIInt(aGA1, aTT1, aGA2, aTT2,
+                                          Precision::Confusion(),
+                                          Precision::Confusion());
+      if (!anIIInt.IsDone() || anIIInt.IsEmpty())
+        return false;
+
+      return anIIInt.TangentFaces();
+    }
+    catch (Standard_Failure const&) {
+      return false;
+    }
+  }
+
+  // case of two cylindrical surfaces, at least one of which is a swept surface
+  // swept surfaces: SurfaceOfLinearExtrusion, SurfaceOfRevolution
+  if ((anOwnSurf->IsKind(STANDARD_TYPE(Geom_CylindricalSurface)) ||
+       anOwnSurf->IsKind(STANDARD_TYPE(Geom_SweptSurface))) &&
+      (anOtherSurf->IsKind(STANDARD_TYPE(Geom_CylindricalSurface)) ||
+       anOtherSurf->IsKind(STANDARD_TYPE(Geom_SweptSurface))))
+  {
+    GeomCylinderPtr anOwnCyl = getCylinder();
+    GeomCylinderPtr anOtherCyl = anOther->getCylinder();
+    if (anOwnCyl && anOtherCyl)
+      return anOwnCyl->isCoincident(anOtherCyl);
+
+    // compare two swept surfaces of the same type
+    if ((anOwnSurf->IsKind(STANDARD_TYPE(Geom_SurfaceOfLinearExtrusion)) &&
+         anOtherSurf->IsKind(STANDARD_TYPE(Geom_SurfaceOfLinearExtrusion))) ||
+        (anOwnSurf->IsKind(STANDARD_TYPE(Geom_SurfaceOfRevolution)) &&
+         anOtherSurf->IsKind(STANDARD_TYPE(Geom_SurfaceOfRevolution)))) {
+      Handle(Geom_SweptSurface) anOwnSwept = Handle(Geom_SweptSurface)::DownCast(anOwnSurf);
+      Handle(Geom_SweptSurface) anOtherSwept = Handle(Geom_SweptSurface)::DownCast(anOtherSurf);
+
+      const gp_Dir& anOwnDir = anOwnSwept->Direction();
+      const gp_Dir& anOtherDir = anOtherSwept->Direction();
+
+      if (anOwnDir.IsParallel(anOtherDir, Precision::Angular())) {
+        Handle(Geom_Curve) anOwnCurve = anOwnSwept->BasisCurve();
+        Handle(Geom_Curve) anOtherCurve = anOtherSwept->BasisCurve();
+        GeomAPI_ExtremaCurveCurve anExtrema(anOwnCurve, anOtherCurve);
+        return anExtrema.Extrema().IsParallel() &&
+               anExtrema.TotalLowerDistance() < Precision::Confusion();
+      }
+    }
+  }
+
+  return false;
+}
+
 bool GeomAPI_Face::isCylindrical() const
 {
   const TopoDS_Shape& aShape = const_cast<GeomAPI_Face*>(this)->impl<TopoDS_Shape>();
@@ -129,20 +230,35 @@ std::shared_ptr<GeomAPI_Pln> GeomAPI_Face::getPlane() const
   Handle(Geom_Surface) aSurf = BRep_Tool::Surface(aFace);
   if (aSurf.IsNull())
     return aResult;  // no surface
-  GeomLib_IsPlanarSurface isPlanar(aSurf);
-  if(!isPlanar.IsPlanar()) {
-    return aResult;
+  GeomLib_IsPlanarSurface isPlanarSurf(aSurf);
+  gp_Pln aPln;
+  bool isPlanar = false;
+  if (isPlanarSurf.IsPlanar()) {
+    aPln = isPlanarSurf.Plan();
+    isPlanar = true;
   }
-  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;
+  else if (aSurf->IsKind(STANDARD_TYPE(Geom_OffsetSurface))) {
+    Handle(Geom_OffsetSurface) anOffsetSurf = Handle(Geom_OffsetSurface)::DownCast(aSurf);
+    Handle(Geom_Surface) aBasisSurf = anOffsetSurf->BasisSurface();
+    if (aBasisSurf->IsKind(STANDARD_TYPE(Geom_Plane))) {
+      aPln = Handle(Geom_Plane)::DownCast(aBasisSurf)->Pln();
+      gp_Vec aTranslation(aPln.Axis().Direction().XYZ() * anOffsetSurf->Offset());
+      aPln.Translate(aTranslation);
+      isPlanar = true;
+    }
+  }
+
+  if (isPlanar) {
+    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));
   }
-  aResult = std::shared_ptr<GeomAPI_Pln>(new GeomAPI_Pln(aA, aB, aC, aD));
   return aResult;
 }
 
@@ -195,15 +311,17 @@ std::shared_ptr<GeomAPI_Cone> GeomAPI_Face::getCone() const
   Handle(Geom_Surface) aSurf = BRep_Tool::Surface(aFace);
   if (aSurf->IsKind(STANDARD_TYPE(Geom_ConicalSurface))) {
     gp_Cone aCon = Handle(Geom_ConicalSurface)::DownCast(aSurf)->Cone();
-    const gp_Pnt& aLoc = aCon.Location();
-    const gp_Dir& aDir = aCon.Position().Direction();
-    double aRadius1 = aCon.RefRadius();
+    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 aRadius2 = aRadius1 - (aVMax - aVMin) * Sin(aSemiAngle);
+    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()));
@@ -231,3 +349,24 @@ std::shared_ptr<GeomAPI_Torus> GeomAPI_Face::getTorus() const
   }
   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;
+  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;
+}