AECMesh.h

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// Copyright (C) 2002-2017, Open Design Alliance (the "Alliance"). 
// All rights reserved. 
// 
// This software and its documentation and related materials are owned by 
// the Alliance. The software may only be incorporated into application 
// programs owned by members of the Alliance, subject to a signed 
// Membership Agreement and Supplemental Software License Agreement with the
// Alliance. The structure and organization of this software are the valuable  
// trade secrets of the Alliance and its suppliers. The software is also 
// protected by copyright law and international treaty provisions. Application  
// programs incorporating this software must include the following statement 
// with their copyright notices:
//   
//   This application incorporates Teigha(R) software pursuant to a license 
//   agreement with Open Design Alliance.
//   Teigha(R) Copyright (C) 2002-2017 by Open Design Alliance. 
//   All rights reserved.
//
// By use of this software, its documentation or related materials, you 
// acknowledge and accept the above terms.
 
#ifndef __AECMESH_H__
#define __AECMESH_H__
 
#include "FMGeometry.h"
#include "AECMeshFace.h"
#include <Ge/GePoint3d.h>
#include <Ge/GeExtents3d.h>
 
namespace AECGe
{
 
// Obsolete class. Since Teigha® Architecture 2.4.0 Body is used instead.
class AECGEOMETRY_API Mesh
{
    // Low level construction and data access.
    public:
        Mesh();
 
        OdUInt32 GetVertexCount() const;
 
        const OdGePoint3d& GetVertex( OdUInt32 iIndex ) const;
 
        void SetVertex( OdUInt32 iIndex, const OdGePoint3d& ptVertex );
 
        OdUInt32 GetEdgeCount() const;
 
        OdUInt32 GetFaceCount() const;
 
        const MeshFace& GetFace( OdUInt32 iIndex ) const;
              MeshFace& GetFace( OdUInt32 iIndex );
 
        OdUInt32 AddVertex( const OdGePoint3d& ptVertex, bool bUnique = false );
 
        OdUInt32 AddFace( const MeshFace& face,
            bool bCheckPlane = true,
            bool* bSuccess = 0 );
 
        void AddFace( const IndexList& face,
            bool* bSuccess = 0 );
 
        void SwapFace( OdUInt32 iIndex, MeshFace& face );
 
        void AddTriangles( const IndexList& triangles );
 
        bool IsEmpty() const;
 
        void Clear();
 
        void ClearFaces();
 
    // Operations.
    public:
        void GetExtents( OdGeExtents3d& extents ) const;
 
        double GetVolume() const;
 
        void Transform( const OdGeMatrix3d& mMatrix );
 
        void Append( const Mesh& mMesh );
 
        void Invert();
 
        void Triangulate();
 
        bool IsClosed() const;
 
        void Decompose( std::vector<Mesh>& aResult ) const;
 
        static void PerformOperation( FacetModeler::BooleanOperation eOperation,
            const Mesh& mOp1, const Mesh& mOp2, Mesh& mResult, bool bCheckExtents = false );
 
    // Mesh quality.
    public:
        void Normalize();
 
        void RemoveSameVertices();
 
        void RemoveTJunctions();
 
        void RegenEdgeVisibilities();
 
        void RemoveEdgeVisibilities();
 
        void SetEdgeVisibilities( OdGiVisibility eVisibility );
 
    // Raw accessors.
    // Used for performance optimization.
    public:
        const std::vector<OdGePoint3d>& Vertices() const;
 
    public:
        // Simplification of the mesh by grouping of the nearly complanar faces
        // into new faces.
        void Simplify();
 
    private:
        // Array of mesh vertices.
        std::vector<OdGePoint3d> m_aVertices;
 
        // Array of faces.
        std::vector<MeshFace> m_aFaces;
 
    public:
        OdUInt32 Tag;
};
 
}
 
#endif  //__AECMESH_H__