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Issue 2229: additional fix for the interactive creation of the constraint.
[modules/shaper.git] / src / GeomAlgoAPI / GeomAlgoAPI_ShapeTools.cpp
index 6d00e70eb12ffcec29d75d6c92fba6d2ef9f3a78..197569345369b4f7940438fd77cb795223639e05 100644 (file)
@@ -1,15 +1,30 @@
-// Copyright (C) 2014-20xx CEA/DEN, EDF R&D
-
-// File:        GeomAlgoAPI_ShapeTools.h
-// Created:     3 August 2015
-// Author:      Dmitry Bobylev
+// 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 "GeomAlgoAPI_ShapeTools.h"
 
 #include "GeomAlgoAPI_SketchBuilder.h"
 
+#include <GeomAPI_Edge.h>
 #include <GeomAPI_Dir.h>
-#include <GeomAPI_PlanarEdges.h>
+#include <GeomAPI_Face.h>
 #include <GeomAPI_Pln.h>
 #include <GeomAPI_Pnt.h>
 
 #include <BRepBuilderAPI_MakeFace.hxx>
 #include <BRepCheck_Analyzer.hxx>
 #include <BRepExtrema_DistShapeShape.hxx>
+#include <BRepExtrema_ExtCF.hxx>
 #include <BRepGProp.hxx>
+#include <BRepTools.hxx>
 #include <BRepTopAdaptor_FClass2d.hxx>
-#include <Geom_Curve.hxx>
+#include <Geom2d_Curve.hxx>
 #include <Geom2d_Curve.hxx>
 #include <BRepLib_CheckCurveOnSurface.hxx>
 #include <BRep_Tool.hxx>
 #include <Geom_Plane.hxx>
 #include <GeomLib_IsPlanarSurface.hxx>
 #include <GeomLib_Tool.hxx>
-#include <GeomProjLib.hxx>
 #include <gp_Pln.hxx>
 #include <GProp_GProps.hxx>
 #include <IntAna_IntConicQuad.hxx>
 #include <TopoDS_Vertex.hxx>
 #include <TopoDS.hxx>
 #include <TopExp_Explorer.hxx>
+#include <TopTools_ListIteratorOfListOfShape.hxx>
+
+#include <BOPAlgo_Builder.hxx>
+#include <BRepBuilderAPI_MakeVertex.hxx>
+#include <TopoDS_Edge.hxx>
 
 //==================================================================================================
 double GeomAlgoAPI_ShapeTools::volume(const std::shared_ptr<GeomAPI_Shape> theShape)
@@ -67,7 +88,8 @@ double GeomAlgoAPI_ShapeTools::volume(const std::shared_ptr<GeomAPI_Shape> theSh
 }
 
 //==================================================================================================
-std::shared_ptr<GeomAPI_Pnt> GeomAlgoAPI_ShapeTools::centreOfMass(const std::shared_ptr<GeomAPI_Shape> theShape)
+std::shared_ptr<GeomAPI_Pnt>
+  GeomAlgoAPI_ShapeTools::centreOfMass(const std::shared_ptr<GeomAPI_Shape> theShape)
 {
   GProp_GProps aGProps;
   if(!theShape) {
@@ -91,10 +113,11 @@ std::shared_ptr<GeomAPI_Pnt> GeomAlgoAPI_ShapeTools::centreOfMass(const std::sha
 }
 
 //==================================================================================================
-std::shared_ptr<GeomAPI_Shape> GeomAlgoAPI_ShapeTools::combineShapes(const std::shared_ptr<GeomAPI_Shape> theCompound,
-                                                                     const GeomAPI_Shape::ShapeType theType,
-                                                                     ListOfShape& theCombinedShapes,
-                                                                     ListOfShape& theFreeShapes)
+std::shared_ptr<GeomAPI_Shape> GeomAlgoAPI_ShapeTools::combineShapes(
+  const std::shared_ptr<GeomAPI_Shape> theCompound,
+  const GeomAPI_Shape::ShapeType theType,
+  ListOfShape& theCombinedShapes,
+  ListOfShape& theFreeShapes)
 {
   GeomShapePtr aResult = theCompound;
 
@@ -137,7 +160,8 @@ std::shared_ptr<GeomAPI_Shape> GeomAlgoAPI_ShapeTools::combineShapes(const std::
   // Get all shapes with common subshapes and free shapes.
   NCollection_Map<TopoDS_Shape> aFreeShapes;
   NCollection_Vector<NCollection_Map<TopoDS_Shape>> aShapesWithCommonSubshapes;
-  for(BOPCol_IndexedDataMapOfShapeListOfShape::Iterator anIter(aMapSA); anIter.More(); anIter.Next()) {
+  for(BOPCol_IndexedDataMapOfShapeListOfShape::Iterator
+      anIter(aMapSA); anIter.More(); anIter.Next()) {
     const TopoDS_Shape& aShape = anIter.Key();
     BOPCol_ListOfShape& aListOfShape = anIter.ChangeValue();
     if(aListOfShape.IsEmpty()) {
@@ -159,9 +183,11 @@ std::shared_ptr<GeomAPI_Shape> GeomAlgoAPI_ShapeTools::combineShapes(const std::
       aFreeShapes.Remove(aF);
       aFreeShapes.Remove(aL);
       aListOfShape.Clear();
-      for(NCollection_List<TopoDS_Shape>::Iterator aTempIter(aTempList); aTempIter.More(); aTempIter.Next()) {
+      for(NCollection_List<TopoDS_Shape>::Iterator
+          aTempIter(aTempList); aTempIter.More(); aTempIter.Next()) {
         const TopoDS_Shape& aTempShape = aTempIter.Value();
-        for(BOPCol_IndexedDataMapOfShapeListOfShape::Iterator anIter(aMapSA); anIter.More(); anIter.Next()) {
+        for(BOPCol_IndexedDataMapOfShapeListOfShape::Iterator
+            anIter(aMapSA); anIter.More(); anIter.Next()) {
           BOPCol_ListOfShape& aTempListOfShape = anIter.ChangeValue();
           if(aTempListOfShape.IsEmpty()) {
             continue;
@@ -191,21 +217,25 @@ std::shared_ptr<GeomAPI_Shape> GeomAlgoAPI_ShapeTools::combineShapes(const std::
   }
 
   // Combine shapes with common subshapes.
-  for(NCollection_Vector<NCollection_Map<TopoDS_Shape>>::Iterator anIter(aShapesWithCommonSubshapes); anIter.More(); anIter.Next()) {
+  for(NCollection_Vector<NCollection_Map<TopoDS_Shape>>::Iterator
+      anIter(aShapesWithCommonSubshapes); anIter.More(); anIter.Next()) {
     TopoDS_Shell aShell;
     TopoDS_CompSolid aCSolid;
     TopoDS_Builder aBuilder;
-    theType == GeomAPI_Shape::COMPSOLID ? aBuilder.MakeCompSolid(aCSolid) : aBuilder.MakeShell(aShell);
+    theType ==
+      GeomAPI_Shape::COMPSOLID ? aBuilder.MakeCompSolid(aCSolid) : aBuilder.MakeShell(aShell);
     NCollection_Map<TopoDS_Shape>& aShapesMap = anIter.ChangeValue();
     for(TopExp_Explorer anExp(aShapesComp, aTA); anExp.More(); anExp.Next()) {
       const TopoDS_Shape& aShape = anExp.Current();
       if(aShapesMap.Contains(aShape)) {
-        theType == GeomAPI_Shape::COMPSOLID ? aBuilder.Add(aCSolid, aShape) : aBuilder.Add(aShell, aShape);
+        theType ==
+          GeomAPI_Shape::COMPSOLID ? aBuilder.Add(aCSolid, aShape) : aBuilder.Add(aShell, aShape);
         aShapesMap.Remove(aShape);
       }
     }
     std::shared_ptr<GeomAPI_Shape> aGeomShape(new GeomAPI_Shape);
-    TopoDS_Shape* aSh = theType == GeomAPI_Shape::COMPSOLID ? new TopoDS_Shape(aCSolid) : new TopoDS_Shape(aShell);
+    TopoDS_Shape* aSh = theType == GeomAPI_Shape::COMPSOLID ? new TopoDS_Shape(aCSolid) :
+                                                              new TopoDS_Shape(aShell);
     aGeomShape->setImpl<TopoDS_Shape>(aSh);
     theCombinedShapes.push_back(aGeomShape);
   }
@@ -222,14 +252,18 @@ std::shared_ptr<GeomAPI_Shape> GeomAlgoAPI_ShapeTools::combineShapes(const std::
 
   if(theCombinedShapes.size() == 1 && theFreeShapes.size() == 0) {
     aResult = theCombinedShapes.front();
-  } else if (theCombinedShapes.size() > 1 || (theCombinedShapes.size() >= 1 && theFreeShapes.size() >= 1)) {
+  } else if(theCombinedShapes.size() == 0 && theFreeShapes.size() == 1) {
+    aResult = theFreeShapes.front();
+  } else {
     TopoDS_Compound aResultComp;
     TopoDS_Builder aBuilder;
     aBuilder.MakeCompound(aResultComp);
-    for(ListOfShape::const_iterator anIter = theCombinedShapes.cbegin(); anIter != theCombinedShapes.cend(); anIter++) {
+    for(ListOfShape::const_iterator anIter = theCombinedShapes.cbegin();
+        anIter != theCombinedShapes.cend(); anIter++) {
       aBuilder.Add(aResultComp, (*anIter)->impl<TopoDS_Shape>());
     }
-    for(ListOfShape::const_iterator anIter = theFreeShapes.cbegin(); anIter != theFreeShapes.cend(); anIter++) {
+    for(ListOfShape::const_iterator anIter = theFreeShapes.cbegin();
+        anIter != theFreeShapes.cend(); anIter++) {
       aBuilder.Add(aResultComp, (*anIter)->impl<TopoDS_Shape>());
     }
     aResult->setImpl(new TopoDS_Shape(aResultComp));
@@ -239,7 +273,8 @@ std::shared_ptr<GeomAPI_Shape> GeomAlgoAPI_ShapeTools::combineShapes(const std::
 }
 
 //==================================================================================================
-static void addSimpleShapeToList(const TopoDS_Shape& theShape, NCollection_List<TopoDS_Shape>& theList)
+static void addSimpleShapeToList(const TopoDS_Shape& theShape,
+                                 NCollection_List<TopoDS_Shape>& theList)
 {
   if(theShape.IsNull()) {
     return;
@@ -270,7 +305,8 @@ static TopoDS_Compound makeCompound(const NCollection_List<TopoDS_Shape> theShap
 }
 
 //==================================================================================================
-std::shared_ptr<GeomAPI_Shape> GeomAlgoAPI_ShapeTools::groupSharedTopology(const std::shared_ptr<GeomAPI_Shape> theCompound)
+std::shared_ptr<GeomAPI_Shape> GeomAlgoAPI_ShapeTools::groupSharedTopology(
+  const std::shared_ptr<GeomAPI_Shape> theCompound)
 {
   GeomShapePtr aResult = theCompound;
 
@@ -279,53 +315,102 @@ std::shared_ptr<GeomAPI_Shape> GeomAlgoAPI_ShapeTools::groupSharedTopology(const
   }
 
   TopoDS_Shape anInShape = aResult->impl<TopoDS_Shape>();
-  NCollection_List<TopoDS_Shape> anUngroupedShapes;
+  NCollection_List<TopoDS_Shape> anUngroupedShapes, aStillUngroupedShapes;
   addSimpleShapeToList(anInShape, anUngroupedShapes);
 
-  NCollection_Vector<NCollection_List<TopoDS_Shape>> aGroups;
-  while(!anUngroupedShapes.IsEmpty()) {
-    NCollection_List<TopoDS_Shape> aGroupedShapes;
-    aGroupedShapes.Append(anUngroupedShapes.First());
-    anUngroupedShapes.RemoveFirst();
-    for(NCollection_List<TopoDS_Shape>::Iterator aGroupIt(aGroupedShapes); aGroupIt.More(); aGroupIt.Next()) {
-      const TopoDS_Shape& aGroupShape = aGroupIt.Value();
-      for(NCollection_List<TopoDS_Shape>::Iterator anUngroupedIt(anUngroupedShapes); anUngroupedIt.More(); anUngroupedIt.Next()) {
-        const TopoDS_Shape& anUngroupedShape = anUngroupedIt.Value();
-        bool isFound = false;
-        for(TopExp_Explorer aGroupShapeExp(aGroupShape, TopAbs_VERTEX); aGroupShapeExp.More(); aGroupShapeExp.Next()) {
-          const TopoDS_Shape& aVertex1 = aGroupShapeExp.Current();
-          for(TopExp_Explorer anUngroupedShapeExp(anUngroupedShape, TopAbs_VERTEX); anUngroupedShapeExp.More(); anUngroupedShapeExp.Next()) {
-            const TopoDS_Shape& aVertex2 = anUngroupedShapeExp.Current();
-            if(aVertex1.IsSame(aVertex2)) {
-              aGroupedShapes.Append(anUngroupedShape);
-              anUngroupedShapes.Remove(anUngroupedIt);
-              isFound = true;
-              break;
-            }
-          }
-          if(isFound) {
-            break;
+  // Iterate over all shapes and find shapes with shared vertices.
+  TopTools_ListOfShape aMapOrder;
+  BOPCol_DataMapOfShapeListOfShape aVertexShapesMap;
+  for(NCollection_List<TopoDS_Shape>::Iterator aShapesIt(anUngroupedShapes);
+      aShapesIt.More();
+      aShapesIt.Next()) {
+    const TopoDS_Shape& aShape = aShapesIt.Value();
+    for(TopExp_Explorer aShapeExp(aShape, TopAbs_VERTEX);
+        aShapeExp.More();
+        aShapeExp.Next()) {
+      const TopoDS_Shape& aVertex = aShapeExp.Current();
+      if (!aVertexShapesMap.IsBound(aVertex)) {
+        NCollection_List<TopoDS_Shape> aList;
+        aList.Append(aShape);
+        aMapOrder.Append(aVertex);
+        aVertexShapesMap.Bind(aVertex, aList);
+      } else {
+        if(!aVertexShapesMap.ChangeFind(aVertex).Contains(aShape)) {
+          aVertexShapesMap.ChangeFind(aVertex).Append(aShape);
+        }
+      }
+    }
+  }
+
+  // Iterate over the map and group shapes.
+  NCollection_Vector<TopTools_ListOfShape> aGroups;
+  while (!aMapOrder.IsEmpty()) {
+    // Get first group of shapes in map, and then unbind it.
+    const TopoDS_Shape& aKey = aMapOrder.First();
+    TopTools_ListOfShape aGroupedShapes = aVertexShapesMap.Find(aKey);
+    aVertexShapesMap.UnBind(aKey);
+    aMapOrder.Remove(aKey);
+    // Iterate over shapes in this group and add to it shapes from groups in map.
+    for(TopTools_ListOfShape::Iterator aGroupIt(aGroupedShapes);
+        aGroupIt.More(); aGroupIt.Next()) {
+      const TopoDS_Shape& aGroupedShape = aGroupIt.Value();
+      TopTools_ListOfShape aKeysToUnbind;
+      for(TopTools_ListOfShape::Iterator aKeysIt(aMapOrder);
+          aKeysIt.More();
+          aKeysIt.Next()) {
+        const TopTools_ListOfShape& aGroupInMap = aVertexShapesMap(aKeysIt.Value());
+        if(!aGroupInMap.Contains(aGroupedShape)) {
+          // Group in map does not containt shape from our group, so go to the next group in map.
+          continue;
+        }
+        // Iterate over shape in group in map, and add new shapes into our group.
+        for(TopTools_ListOfShape::Iterator aGroupInMapIt(aGroupInMap);
+            aGroupInMapIt.More();
+            aGroupInMapIt.Next()) {
+          const TopoDS_Shape& aShape = aGroupInMapIt.Value();
+          if (!aGroupedShapes.Contains(aShape)) {
+            aGroupedShapes.Append(aShape);
           }
         }
-        if(!anUngroupedIt.More()) {
-          break;
+        // Save key to unbind from this map.
+        aKeysToUnbind.Append(aKeysIt.Value());
+      }
+      // Unbind groups from map that we added to our group.
+      for(TopTools_ListOfShape::Iterator aKeysIt(aKeysToUnbind);
+          aKeysIt.More();
+          aKeysIt.Next()) {
+        aVertexShapesMap.UnBind(aKeysIt.Value());
+        aMapOrder.Remove(aKeysIt.Value());
+      }
+    }
+    // Sort shapes.
+    TopTools_ListOfShape aSortedGroup;
+    for(int aST = TopAbs_COMPOUND; aST <= TopAbs_SHAPE; ++aST) {
+      TopTools_ListOfShape::Iterator anIt(aGroupedShapes);
+      while (anIt.More()) {
+        if(anIt.Value().ShapeType() == aST) {
+          aSortedGroup.Append(anIt.Value());
+          aGroupedShapes.Remove(anIt);
+        } else {
+          anIt.Next();
         }
       }
     }
-    aGroups.Append(aGroupedShapes);
+    aGroups.Append(aSortedGroup);
   }
 
   TopoDS_Compound aCompound;
   BRep_Builder aBuilder;
   aBuilder.MakeCompound(aCompound);
   ListOfShape aCompSolids, aFreeSolids;
-  for(NCollection_Vector<NCollection_List<TopoDS_Shape>>::Iterator anIt(aGroups); anIt.More(); anIt.Next()) {
+  for(NCollection_Vector<NCollection_List<TopoDS_Shape>>::Iterator
+      anIt(aGroups); anIt.More(); anIt.Next()) {
     NCollection_List<TopoDS_Shape> aGroup = anIt.Value();
     GeomShapePtr aGeomShape(new GeomAPI_Shape());
     if(aGroup.Size() == 1) {
       aGeomShape->setImpl(new TopoDS_Shape(aGroup.First()));
     } else {
-      aGeomShape->setImpl(new TopoDS_Shape(makeCompound(anIt.Value())));
+      aGeomShape->setImpl(new TopoDS_Shape(makeCompound(aGroup)));
       aGeomShape = GeomAlgoAPI_ShapeTools::combineShapes(aGeomShape,
                                                          GeomAPI_Shape::COMPSOLID,
                                                          aCompSolids,
@@ -342,13 +427,15 @@ std::shared_ptr<GeomAPI_Shape> GeomAlgoAPI_ShapeTools::groupSharedTopology(const
 }
 
 //==================================================================================================
-std::list<std::shared_ptr<GeomAPI_Pnt> > GeomAlgoAPI_ShapeTools::getBoundingBox(const ListOfShape& theShapes, const double theEnlarge)
+std::list<std::shared_ptr<GeomAPI_Pnt> >
+  GeomAlgoAPI_ShapeTools::getBoundingBox(const ListOfShape& theShapes, const double theEnlarge)
 {
   // Bounding box of all objects.
   Bnd_Box aBndBox;
 
   // Getting box.
-  for (ListOfShape::const_iterator anObjectsIt = theShapes.begin(); anObjectsIt != theShapes.end(); anObjectsIt++) {
+  for (ListOfShape::const_iterator
+    anObjectsIt = theShapes.begin(); anObjectsIt != theShapes.end(); anObjectsIt++) {
     const TopoDS_Shape& aShape = (*anObjectsIt)->impl<TopoDS_Shape>();
     BRepBndLib::Add(aShape, aBndBox);
   }
@@ -376,7 +463,8 @@ std::list<std::shared_ptr<GeomAPI_Pnt> > GeomAlgoAPI_ShapeTools::getBoundingBox(
 }
 
 //==================================================================================================
-std::shared_ptr<GeomAPI_Shape> GeomAlgoAPI_ShapeTools::faceToInfinitePlane(const std::shared_ptr<GeomAPI_Shape> theFace)
+std::shared_ptr<GeomAPI_Shape>
+  GeomAlgoAPI_ShapeTools::faceToInfinitePlane(const std::shared_ptr<GeomAPI_Shape> theFace)
 {
   if (!theFace.get())
     return std::shared_ptr<GeomAPI_Shape>();
@@ -398,33 +486,34 @@ std::shared_ptr<GeomAPI_Shape> GeomAlgoAPI_ShapeTools::faceToInfinitePlane(const
 }
 
 //==================================================================================================
-std::shared_ptr<GeomAPI_Shape> GeomAlgoAPI_ShapeTools::fitPlaneToBox(const std::shared_ptr<GeomAPI_Shape> thePlane,
-                                                                     const std::list<std::shared_ptr<GeomAPI_Pnt> >& thePoints)
+std::shared_ptr<GeomAPI_Face> GeomAlgoAPI_ShapeTools::fitPlaneToBox(
+  const std::shared_ptr<GeomAPI_Shape> thePlane,
+  const std::list<std::shared_ptr<GeomAPI_Pnt> >& thePoints)
 {
-  std::shared_ptr<GeomAPI_Shape> aResultShape;
+  std::shared_ptr<GeomAPI_Face> aResultFace;
 
   if(!thePlane.get()) {
-    return aResultShape;
+    return aResultFace;
   }
 
   const TopoDS_Shape& aShape = thePlane->impl<TopoDS_Shape>();
   if(aShape.ShapeType() != TopAbs_FACE) {
-    return aResultShape;
+    return aResultFace;
   }
 
   TopoDS_Face aFace = TopoDS::Face(aShape);
   Handle(Geom_Surface) aSurf = BRep_Tool::Surface(aFace);
   if(aSurf.IsNull()) {
-    return aResultShape;
+    return aResultFace;
   }
 
   GeomLib_IsPlanarSurface isPlanar(aSurf);
   if(!isPlanar.IsPlanar()) {
-    return aResultShape;
+    return aResultFace;
   }
 
   if(thePoints.size() != 8) {
-    return aResultShape;
+    return aResultFace;
   }
 
   const gp_Pln& aFacePln = isPlanar.Plan();
@@ -432,7 +521,8 @@ std::shared_ptr<GeomAPI_Shape> GeomAlgoAPI_ShapeTools::fitPlaneToBox(const std::
   IntAna_Quadric aQuadric(aFacePln);
   Standard_Real UMin, UMax, VMin, VMax;
   UMin = UMax = VMin = VMax = 0;
-  for (std::list<std::shared_ptr<GeomAPI_Pnt> >::const_iterator aPointsIt = thePoints.begin(); aPointsIt != thePoints.end(); aPointsIt++) {
+  for (std::list<std::shared_ptr<GeomAPI_Pnt> >::const_iterator
+       aPointsIt = thePoints.begin(); aPointsIt != thePoints.end(); aPointsIt++) {
     const gp_Pnt& aPnt = (*aPointsIt)->impl<gp_Pnt>();
     gp_Lin aLin(aPnt, aFacePln.Axis().Direction());
     IntAna_IntConicQuad anIntAna(aLin, aQuadric);
@@ -444,10 +534,10 @@ std::shared_ptr<GeomAPI_Shape> GeomAlgoAPI_ShapeTools::fitPlaneToBox(const std::
     if(aPntV < VMin) VMin = aPntV;
     if(aPntV > VMax) VMax = aPntV;
   }
-  aResultShape.reset(new GeomAPI_Shape);
-  aResultShape->setImpl(new TopoDS_Shape(BRepLib_MakeFace(aFacePln, UMin, UMax, VMin, VMax).Face()));
+  aResultFace.reset(new GeomAPI_Face());
+  aResultFace->setImpl(new TopoDS_Face(BRepLib_MakeFace(aFacePln, UMin, UMax, VMin, VMax).Face()));
 
-  return aResultShape;
+  return aResultFace;
 }
 
 //==================================================================================================
@@ -535,8 +625,9 @@ std::shared_ptr<GeomAPI_Pln> GeomAlgoAPI_ShapeTools::findPlane(const ListOfShape
 }
 
 //==================================================================================================
-bool GeomAlgoAPI_ShapeTools::isSubShapeInsideShape(const std::shared_ptr<GeomAPI_Shape> theSubShape,
-                                                   const std::shared_ptr<GeomAPI_Shape> theBaseShape)
+bool GeomAlgoAPI_ShapeTools::isSubShapeInsideShape(
+  const std::shared_ptr<GeomAPI_Shape> theSubShape,
+  const std::shared_ptr<GeomAPI_Shape> theBaseShape)
 {
   if(!theSubShape.get() || !theBaseShape.get()) {
     return false;
@@ -586,7 +677,9 @@ bool GeomAlgoAPI_ShapeTools::isSubShapeInsideShape(const std::shared_ptr<GeomAPI
 
       // No intersections found. Edge is inside or outside face. Check it.
       BRepAdaptor_Curve aCurveAdaptor(anEdge);
-      gp_Pnt aPointToCheck = aCurveAdaptor.Value((aCurveAdaptor.FirstParameter() + aCurveAdaptor.LastParameter()) / 2.0);
+      gp_Pnt aPointToCheck =
+        aCurveAdaptor.Value((aCurveAdaptor.FirstParameter() +
+                              aCurveAdaptor.LastParameter()) / 2.0);
       Handle(Geom_Surface) aSurface = BRep_Tool::Surface(aFace);
       ShapeAnalysis_Surface aSAS(aSurface);
       gp_Pnt2d aPointOnFace = aSAS.ValueOfUV(aPointToCheck, Precision::Confusion());
@@ -614,4 +707,164 @@ bool GeomAlgoAPI_ShapeTools::isShapeValid(const std::shared_ptr<GeomAPI_Shape> t
 
   BRepCheck_Analyzer aChecker(theShape->impl<TopoDS_Shape>());
   return (aChecker.IsValid() == Standard_True);
-}
\ No newline at end of file
+}
+
+//==================================================================================================
+std::shared_ptr<GeomAPI_Shape>
+  GeomAlgoAPI_ShapeTools::getFaceOuterWire(const std::shared_ptr<GeomAPI_Shape> theFace)
+{
+  GeomShapePtr anOuterWire;
+
+  if(!theFace.get() || !theFace->isFace()) {
+    return anOuterWire;
+  }
+
+  TopoDS_Face aFace = TopoDS::Face(theFace->impl<TopoDS_Shape>());
+  TopoDS_Wire aWire = BRepTools::OuterWire(aFace);
+
+  anOuterWire.reset(new GeomAPI_Shape());
+  anOuterWire->setImpl(new TopoDS_Shape(aWire));
+
+  return anOuterWire;
+}
+
+//==================================================================================================
+bool GeomAlgoAPI_ShapeTools::isParallel(const std::shared_ptr<GeomAPI_Edge> theEdge,
+                                        const std::shared_ptr<GeomAPI_Face> theFace)
+{
+  if(!theEdge.get() || !theFace.get()) {
+    return false;
+  }
+
+  TopoDS_Edge anEdge = TopoDS::Edge(theEdge->impl<TopoDS_Shape>());
+  TopoDS_Face aFace  = TopoDS::Face(theFace->impl<TopoDS_Shape>());
+
+  BRepExtrema_ExtCF anExt(anEdge, aFace);
+  return anExt.IsParallel() == Standard_True;
+}
+
+//==================================================================================================
+void GeomAlgoAPI_ShapeTools::splitShape(const std::shared_ptr<GeomAPI_Shape>& theBaseShape,
+                                      const GeomAlgoAPI_ShapeTools::PointToRefsMap& thePointsInfo,
+                                      std::set<std::shared_ptr<GeomAPI_Shape> >& theShapes)
+{
+  // to split shape at least one point should be presented in the points container
+  if (thePointsInfo.empty())
+    return;
+
+    // General Fuse to split edge by vertices
+  BOPAlgo_Builder aBOP;
+  TopoDS_Edge aBaseEdge = theBaseShape->impl<TopoDS_Edge>();
+  // Rebuild closed edge to place vertex to one of split points.
+  // This will prevent edge to be split on same vertex.
+  if (BRep_Tool::IsClosed(aBaseEdge))
+  {
+    Standard_Real aFirst, aLast;
+    Handle(Geom_Curve) aCurve = BRep_Tool::Curve(aBaseEdge, aFirst, aLast);
+
+    PointToRefsMap::const_iterator aPIt = thePointsInfo.begin();
+    std::shared_ptr<GeomAPI_Pnt> aPnt = aPIt->first;
+    gp_Pnt aPoint(aPnt->x(), aPnt->y(), aPnt->z());
+
+    TopAbs_Orientation anOrientation = aBaseEdge.Orientation();
+    aBaseEdge = BRepBuilderAPI_MakeEdge(aCurve, aPoint, aPoint).Edge();
+    aBaseEdge.Orientation(anOrientation);
+  }
+  aBOP.AddArgument(aBaseEdge);
+
+  PointToRefsMap::const_iterator aPIt = thePointsInfo.begin();
+  for (; aPIt != thePointsInfo.end(); ++aPIt) {
+    std::shared_ptr<GeomAPI_Pnt> aPnt = aPIt->first;
+    TopoDS_Vertex aV = BRepBuilderAPI_MakeVertex(gp_Pnt(aPnt->x(), aPnt->y(), aPnt->z()));
+    aBOP.AddArgument(aV);
+  }
+
+  aBOP.Perform();
+  if (aBOP.ErrorStatus())
+    return;
+
+  // Collect splits
+  const TopTools_ListOfShape& aSplits = aBOP.Modified(aBaseEdge);
+  TopTools_ListIteratorOfListOfShape anIt(aSplits);
+  for (; anIt.More(); anIt.Next()) {
+    std::shared_ptr<GeomAPI_Shape> anEdge(new GeomAPI_Shape);
+    anEdge->setImpl(new TopoDS_Shape(anIt.Value()));
+    theShapes.insert(anEdge);
+  }
+}
+
+//==================================================================================================
+void GeomAlgoAPI_ShapeTools::splitShape_p(const std::shared_ptr<GeomAPI_Shape>& theBaseShape,
+                                          const std::list<std::shared_ptr<GeomAPI_Pnt> >& thePoints,
+                                          std::set<std::shared_ptr<GeomAPI_Shape> >& theShapes)
+{
+  // General Fuse to split edge by vertices
+  BOPAlgo_Builder aBOP;
+  TopoDS_Edge aBaseEdge = theBaseShape->impl<TopoDS_Edge>();
+  // Rebuild closed edge to place vertex to one of split points.
+  // This will prevent edge to be split on seam vertex.
+  if (BRep_Tool::IsClosed(aBaseEdge))
+  {
+    Standard_Real aFirst, aLast;
+    Handle(Geom_Curve) aCurve = BRep_Tool::Curve(aBaseEdge, aFirst, aLast);
+
+    std::list<std::shared_ptr<GeomAPI_Pnt> >::const_iterator aPIt = thePoints.begin();
+    gp_Pnt aPoint((*aPIt)->x(), (*aPIt)->y(), (*aPIt)->z());
+
+    TopAbs_Orientation anOrientation = aBaseEdge.Orientation();
+    aBaseEdge = BRepBuilderAPI_MakeEdge(aCurve, aPoint, aPoint).Edge();
+    aBaseEdge.Orientation(anOrientation);
+  }
+  aBOP.AddArgument(aBaseEdge);
+
+  std::list<std::shared_ptr<GeomAPI_Pnt> >::const_iterator aPtIt = thePoints.begin();
+  for (; aPtIt != thePoints.end(); ++aPtIt) {
+    std::shared_ptr<GeomAPI_Pnt> aPnt = *aPtIt;
+    TopoDS_Vertex aV = BRepBuilderAPI_MakeVertex(gp_Pnt(aPnt->x(), aPnt->y(), aPnt->z()));
+    aBOP.AddArgument(aV);
+  }
+
+  aBOP.Perform();
+  if (aBOP.ErrorStatus())
+    return;
+
+  // Collect splits
+  const TopTools_ListOfShape& aSplits = aBOP.Modified(aBaseEdge);
+  TopTools_ListIteratorOfListOfShape anIt(aSplits);
+  for (; anIt.More(); anIt.Next()) {
+    std::shared_ptr<GeomAPI_Shape> anEdge(new GeomAPI_Shape);
+    anEdge->setImpl(new TopoDS_Shape(anIt.Value()));
+    theShapes.insert(anEdge);
+  }
+}
+
+//==================================================================================================
+std::shared_ptr<GeomAPI_Shape> GeomAlgoAPI_ShapeTools::findShape(
+                                  const std::list<std::shared_ptr<GeomAPI_Pnt> >& thePoints,
+                                  const std::set<std::shared_ptr<GeomAPI_Shape> >& theShapes)
+{
+  std::shared_ptr<GeomAPI_Shape> aResultShape;
+
+  if (thePoints.size() == 2) {
+    std::list<std::shared_ptr<GeomAPI_Pnt> >::const_iterator aPntIt = thePoints.begin();
+    std::shared_ptr<GeomAPI_Pnt> aFirstPoint = *aPntIt;
+    aPntIt++;
+    std::shared_ptr<GeomAPI_Pnt> aLastPoint = *aPntIt;
+
+    std::set<std::shared_ptr<GeomAPI_Shape> >::const_iterator anIt = theShapes.begin(),
+                                                              aLast = theShapes.end();
+    for (; anIt != aLast; anIt++) {
+      GeomShapePtr aShape = *anIt;
+      std::shared_ptr<GeomAPI_Edge> anEdge(new GeomAPI_Edge(aShape));
+      if (anEdge.get()) {
+        std::shared_ptr<GeomAPI_Pnt> anEdgeFirstPoint = anEdge->firstPoint();
+        std::shared_ptr<GeomAPI_Pnt> anEdgeLastPoint = anEdge->lastPoint();
+        if (anEdgeFirstPoint->isEqual(aFirstPoint) &&
+            anEdgeLastPoint->isEqual(aLastPoint))
+            aResultShape = aShape;
+      }
+    }
+  }
+
+  return aResultShape;
+}