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420b38fde9
Extend the Offset operation (Join Type "Intersection", mode "Complete") to allow different offset values on adjacent co-planar faces. The gap between adjacent faces is closed by creating artificial face perpendicular to the face. Adding test cases.
104 lines
4.9 KiB
C++
104 lines
4.9 KiB
C++
// Created on: 1996-08-30
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// Created by: Yves FRICAUD
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// Copyright (c) 1996-1999 Matra Datavision
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// Copyright (c) 1999-2014 OPEN CASCADE SAS
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//
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// This file is part of Open CASCADE Technology software library.
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//
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// This library is free software; you can redistribute it and/or modify it under
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// the terms of the GNU Lesser General Public License version 2.1 as published
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// by the Free Software Foundation, with special exception defined in the file
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// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
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// distribution for complete text of the license and disclaimer of any warranty.
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//
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// Alternatively, this file may be used under the terms of Open CASCADE
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// commercial license or contractual agreement.
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#ifndef _BRepOffset_Inter2d_HeaderFile
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#define _BRepOffset_Inter2d_HeaderFile
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#include <Standard.hxx>
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#include <Standard_DefineAlloc.hxx>
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#include <Standard_Handle.hxx>
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#include <TopTools_IndexedMapOfShape.hxx>
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#include <Standard_Real.hxx>
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#include <TopTools_DataMapOfShapeShape.hxx>
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#include <TopTools_IndexedDataMapOfShapeListOfShape.hxx>
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class BRepAlgo_AsDes;
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class TopoDS_Face;
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class BRepOffset_Analyse;
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class BRepOffset_Offset;
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//! Computes the intersections betwwen edges on a face
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//! stores result is SD as AsDes from BRepOffset.
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class BRepOffset_Inter2d
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{
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public:
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DEFINE_STANDARD_ALLOC
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//! Computes the intersections between the edges stored
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//! is AsDes as descendants of <F> . Intersections is computed
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//! between two edges if one of them is bound in NewEdges.
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//! When all faces of the shape are treated the intersection
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//! vertices have to be fused using the FuseVertices method.
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//! theDMVV contains the vertices that should be fused
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Standard_EXPORT static void Compute (const Handle(BRepAlgo_AsDes)& AsDes,
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const TopoDS_Face& F,
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const TopTools_IndexedMapOfShape& NewEdges,
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const Standard_Real Tol,
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TopTools_IndexedDataMapOfShapeListOfShape& theDMVV);
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//! Computes the intersection between the offset edges of the <FI>.
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//! All intersection vertices will be stored in AsDes2d.
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//! When all faces of the shape are treated the intersection vertices
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//! have to be fused using the FuseVertices method.
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//! theDMVV contains the vertices that should be fused.
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Standard_EXPORT static void ConnexIntByInt (const TopoDS_Face& FI,
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BRepOffset_Offset& OFI,
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TopTools_DataMapOfShapeShape& MES,
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const TopTools_DataMapOfShapeShape& Build,
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const Handle(BRepAlgo_AsDes)& AsDes2d,
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const Standard_Real Offset,
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const Standard_Real Tol,
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const BRepOffset_Analyse& Analyse,
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TopTools_IndexedMapOfShape& FacesWithVerts,
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TopTools_IndexedDataMapOfShapeListOfShape& theDMVV);
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//! Computes the intersection between the offset edges generated
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//! from vertices and stored into AsDes as descendants of the <FI>.
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//! All intersection vertices will be stored in AsDes2d.
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//! When all faces of the shape are treated the intersection vertices
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//! have to be fused using the FuseVertices method.
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//! theDMVV contains the vertices that should be fused.
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Standard_EXPORT static void ConnexIntByIntInVert (const TopoDS_Face& FI,
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BRepOffset_Offset& OFI,
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TopTools_DataMapOfShapeShape& MES,
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const TopTools_DataMapOfShapeShape& Build,
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const Handle(BRepAlgo_AsDes)& AsDes,
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const Handle(BRepAlgo_AsDes)& AsDes2d,
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const Standard_Real Tol,
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const BRepOffset_Analyse& Analyse,
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TopTools_IndexedDataMapOfShapeListOfShape& theDMVV);
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//! Fuses the chains of vertices in the theDMVV
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//! and updates AsDes by replacing the old vertices
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//! with the new ones.
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Standard_EXPORT static void FuseVertices(const TopTools_IndexedDataMapOfShapeListOfShape& theDMVV,
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const Handle(BRepAlgo_AsDes)& theAsDes);
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//! extents the edge
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Standard_EXPORT static void ExtentEdge(const TopoDS_Edge& E,
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TopoDS_Edge& NE,
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const Standard_Real theOffset);
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protected:
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private:
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};
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#endif // _BRepOffset_Inter2d_HeaderFile
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