BasicVolumes.h

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/*=============================================================================
TexGen: Geometric textile modeller.
Copyright (C) 2006 Martin Sherburn
 
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
 
This program 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 General Public License for more details.
 
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
=============================================================================*/
 
#pragma once
 
#include "Mesh.h"
 
namespace TexGen
{ 
    using namespace std;
    
//  class CYarn;
    class CTextile;
 
    class CLASS_DECLSPEC CBasicVolumes
    {
    public:
        CBasicVolumes(void);
        ~CBasicVolumes(void);
 
        bool CreateBasicVolumes(CTextile &Textile);
        bool CreateBasicVolumes(string TextileName);
 
        void SetSeed(double dSeed) { m_dSeed = dSeed; }
        double GetSeed() { return m_dSeed; }
 
        void SetPeriodic(bool bPeriodic) { m_bCreatePeriodic = bPeriodic; }
        bool GetPeriodic() { return m_bCreatePeriodic; }
 
        void SetDebug(bool bDebug) { m_bDebug = bDebug; }
        bool GetDebug() { return m_bDebug; }
 
    protected:
        enum LINE_STATE
        {
            FORWARD = 1,
            REVERSE = 2,
        };
 
        struct PROJECTED_REGION
        {
            vector<int> SegmentIndices;
            vector<int> YarnIndices;
            vector<int> ContourNodes;
            XYZ Center;
            double dArea;
            PROJECTED_REGION():dArea(0){}
        };
 
 
        struct ProjectedRegionArea
        {
            bool operator()(const PROJECTED_REGION& left, const PROJECTED_REGION& right)
            {
                return left.dArea < right.dArea;
            }
        };
 
        void SaveProjectedContoursToVTK(string Filename);
        void SaveProjectedAreasToVTK(string Filename);
        bool ValidProjectedMesh();
        int SplitLinesByNodes(CMesh &Mesh);
        int SplitLinesByLines(CMesh &Mesh);
        int MergeStraightLines(CMesh &Mesh);
        int RemoveDuplicateSegments(CMesh &Mesh);
        int RemoveDegenerateSegments(CMesh &Mesh);
        CMesh GetProjectedMesh(const CMesh &Mesh);
        bool GetCommonEdgeIndices(int Indices1[3], int Indices2[3], int Common[2]);
        bool CreateProjectedAreas();
        bool SeedOuterBoundary();
        bool RemoveOuterBoundary();
        double GetRegionArea(const PROJECTED_REGION &Region);
        bool CreateProjectedCenters();
        bool PointInsideRegion(XYZ Point, int iRegion);
        void CalculateYarnIndices();
        bool MeshProjectedAreas();
        bool GetMeshVerticalBounds(const CMesh &Mesh, XYZ Point, double &dMinZ, double &dMaxZ, bool bForceFind = false);
 
        CMesh m_ProjectedMesh;
        CMesh m_DomainMesh;
        vector<CMesh> m_YarnMeshes;
        vector<PROJECTED_REGION> m_ProjectedRegions;
//      vector<int> m_TriangleNeighbors;
 
        // A map of triangle index to their region number
        vector<int> m_TriangleRegions;
        double m_dTolerance;
        CTextile* m_pTextile;
        double m_dSeed;
        bool m_bCreatePeriodic;
        bool m_bDebug;
    };
 
};  // namespace TexGen