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88 lines
3.6 KiB
C++
88 lines
3.6 KiB
C++
// Created on: 1997-05-14
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// Created by: Robert COUBLANC
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// Copyright (c) 1997-1999 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 _Select3D_SensitiveTriangle_HeaderFile
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#define _Select3D_SensitiveTriangle_HeaderFile
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#include <Standard.hxx>
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#include <Standard_Type.hxx>
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#include <Standard_Type.hxx>
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#include <Select3D_TypeOfSensitivity.hxx>
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#include <Select3D_Pnt.hxx>
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#include <Select3D_SensitivePoly.hxx>
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#include <SelectMgr_SelectingVolumeManager.hxx>
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#include <Standard_OStream.hxx>
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class Standard_ConstructionError;
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class Standard_OutOfRange;
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class SelectBasics_EntityOwner;
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class gp_Pnt;
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class Select3D_SensitiveEntity;
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class TopLoc_Location;
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//! A framework to define selection of triangles in a view.
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//! This comes into play in the detection of meshing and triangulation in surfaces.
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//! In some cases this class can raise Standard_ConstructionError and
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//! Standard_OutOfRange exceptions. For more details see Select3D_SensitivePoly.
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class Select3D_SensitiveTriangle : public Select3D_SensitiveEntity
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{
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public:
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//! Constructs a sensitive triangle object defined by the
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//! owner theOwnerId, the points P1, P2, P3, and the type of sensitivity Sensitivity.
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Standard_EXPORT Select3D_SensitiveTriangle (const Handle(SelectBasics_EntityOwner)& theOwnerId,
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const gp_Pnt& thePnt0,
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const gp_Pnt& thePnt1,
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const gp_Pnt& thePnt2,
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const Select3D_TypeOfSensitivity theType = Select3D_TOS_INTERIOR);
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//! Checks whether the triangle overlaps current selecting volume
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Standard_EXPORT virtual Standard_Boolean Matches (SelectBasics_SelectingVolumeManager& theMgr,
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SelectBasics_PickResult& thePickResult) Standard_OVERRIDE;
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//! Returns the 3D points P1, P2, P3 used at the time of construction.
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Standard_EXPORT void Points3D (gp_Pnt& thePnt0, gp_Pnt& thePnt1, gp_Pnt& thePnt2) const;
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//! Returns the center point of the sensitive triangle created at construction time.
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Standard_EXPORT gp_Pnt Center3D() const;
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//! Returns the copy of this
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Standard_EXPORT virtual Handle(Select3D_SensitiveEntity) GetConnected() Standard_OVERRIDE;
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//! Returns bounding box of the triangle. If location transformation is set, it
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//! will be applied
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Standard_EXPORT virtual Select3D_BndBox3d BoundingBox() Standard_OVERRIDE;
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//! Returns the amount of points
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virtual Standard_Integer NbSubElements() Standard_OVERRIDE { return 3; }
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virtual gp_Pnt CenterOfGeometry() const Standard_OVERRIDE { return myCentroid; }
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DEFINE_STANDARD_RTTIEXT(Select3D_SensitiveTriangle,Select3D_SensitiveEntity)
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private:
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Select3D_TypeOfSensitivity mySensType; //!< Type of sensitivity: boundary or interior
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gp_Pnt myCentroid; //!< Center of triangle
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gp_Pnt myPoints[3];
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};
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DEFINE_STANDARD_HANDLE(Select3D_SensitiveTriangle, Select3D_SensitiveEntity)
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#endif
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