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https://github.com/NGSolve/netgen.git
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205 lines
6.6 KiB
C++
205 lines
6.6 KiB
C++
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#ifndef FILE_IDENTIFY
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#define FILE_IDENTIFY
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/**************************************************************************/
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/* File: identify.hh */
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/* Author: Joachim Schoeberl */
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/* Date: 1. Aug. 99 */
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/**************************************************************************/
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/**
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Identify surfaces for periodic b.c. or
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thin domains
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*/
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class SpecialPoint;
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class Identification
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{
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protected:
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const CSGeometry & geom;
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// identified faces, index sorted
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INDEX_2_HASHTABLE<int> identfaces;
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int nr;
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public:
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Identification (int anr, const CSGeometry & ageom);
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virtual ~Identification ();
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virtual void Print (ostream & ost) const = 0;
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virtual void GetData (ostream & ost) const = 0;
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/// obsolete
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// virtual void IdentifySpecialPoints (ARRAY<class SpecialPoint> & points);
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/// can identify both special points (fixed direction)
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/// (identified points, same tangent)
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virtual int Identifyable (const SpecialPoint & sp1, const SpecialPoint & sp2,
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const TABLE<int> & specpoint2solid,
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const TABLE<int> & specpoint2surface) const;
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///
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virtual int Identifyable (const Point<3> & p1, const Point<3> & sp2) const;
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/// is it possible to identify sp1 with some other ?
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virtual int IdentifyableCandidate (const SpecialPoint & sp1) const;
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/// are points (if connected) by a short edge (direction anyhow) ?
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virtual int ShortEdge (const SpecialPoint & sp1, const SpecialPoint & sp2) const;
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/// add entries in mesh identification tables
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virtual void IdentifyPoints (class Mesh & mesh);
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/// add entries to identified faces (based on segment infos)
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virtual void IdentifyFaces (class Mesh & mesh);
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/// get point on other surface, add entry in mesh identifications
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virtual int GetIdentifiedPoint (class Mesh & mesh, int pi1);
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/// copy surfaces, or fill rectangles
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virtual void BuildSurfaceElements (ARRAY<class Segment> & segs,
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class Mesh & mesh,
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const Surface * surf);
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/// insert volume elements in thin layers
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virtual void BuildVolumeElements (ARRAY<class Element2d> & surfels,
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class Mesh & mesh);
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/// get list of identified faces
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virtual void GetIdentifiedFaces (ARRAY<INDEX_2> & idfaces) const;
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friend ostream & operator<< (ostream & ost, Identification & ident);
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};
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class PeriodicIdentification : public Identification
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{
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const Surface * s1;
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const Surface * s2;
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public:
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PeriodicIdentification (int anr,
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const CSGeometry & ageom,
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const Surface * as1,
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const Surface * as2);
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virtual ~PeriodicIdentification ();
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virtual void Print (ostream & ost) const;
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virtual void GetData (ostream & ost) const;
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// virtual void IdentifySpecialPoints (ARRAY<class SpecialPoint> & points);
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virtual int Identifyable (const SpecialPoint & sp1, const SpecialPoint & sp2,
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const TABLE<int> & specpoint2solid,
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const TABLE<int> & specpoint2surface) const;
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virtual int Identifyable (const Point<3> & p1, const Point<3> & sp2) const;
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virtual int GetIdentifiedPoint (class Mesh & mesh, int pi1);
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virtual void IdentifyPoints (class Mesh & mesh);
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virtual void IdentifyFaces (class Mesh & mesh);
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virtual void BuildSurfaceElements (ARRAY<class Segment> & segs,
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class Mesh & mesh,
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const Surface * surf);
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};
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///
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class TopLevelObject;
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class CloseSurfaceIdentification : public Identification
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{
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const Surface * s1;
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const Surface * s2;
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const TopLevelObject * domain;
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///
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int dom_nr;
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/// number of refinement levels (in Z-refinement)
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int ref_levels;
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/// number of refinement levels for layer next to s1 (in Z-refinement)
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int ref_levels_s1;
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/// number of refinement levels for layer next to s2 (in Z-refinement)
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int ref_levels_s2;
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///
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double eps_n;
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ARRAY<double> slices;
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/// used only for domain-local identification:
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ARRAY<int> domain_surfaces;
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///
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bool dom_surf_valid;
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///
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Vec<3> direction;
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///
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bool usedirection;
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public:
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CloseSurfaceIdentification (int anr,
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const CSGeometry & ageom,
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const Surface * as1,
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const Surface * as2,
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const TopLevelObject * adomain,
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const Flags & flags);
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virtual ~CloseSurfaceIdentification ();
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virtual void Print (ostream & ost) const;
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virtual void GetData (ostream & ost) const;
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// virtual void IdentifySpecialPoints (ARRAY<class SpecialPoint> & points);
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virtual int Identifyable (const SpecialPoint & sp1, const SpecialPoint & sp2,
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const TABLE<int> & specpoint2solid,
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const TABLE<int> & specpoint2surface) const;
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virtual int Identifyable (const Point<3> & p1, const Point<3> & sp2) const;
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virtual int IdentifyableCandidate (const SpecialPoint & sp1) const;
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virtual int ShortEdge (const SpecialPoint & sp1, const SpecialPoint & sp2) const;
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virtual int GetIdentifiedPoint (class Mesh & mesh, int pi1);
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const ARRAY<double> & GetSlices () const { return slices; }
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virtual void IdentifyPoints (class Mesh & mesh);
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virtual void IdentifyFaces (class Mesh & mesh);
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virtual void BuildSurfaceElements (ARRAY<class Segment> & segs,
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class Mesh & mesh,
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const Surface * surf);
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void BuildSurfaceElements2 (ARRAY<class Segment> & segs,
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class Mesh & mesh,
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const Surface * surf);
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virtual void BuildVolumeElements (ARRAY<class Element2d> & surfels,
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class Mesh & mesh);
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int RefLevels () const { return ref_levels; }
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int RefLevels1 () const { return ref_levels_s1; }
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int RefLevels2 () const { return ref_levels_s2; }
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bool IsSkewIdentification(void) const {return usedirection;}
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const Vec<3> & GetDirection(void) const {return direction;}
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const Surface & GetSurface1(void) const
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{ return *s1;}
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const Surface & GetSurface2(void) const
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{ return *s2;}
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};
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class CloseEdgesIdentification : public Identification
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{
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const Surface * facet;
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const Surface * s1;
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const Surface * s2;
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public:
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CloseEdgesIdentification (int anr,
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const CSGeometry & ageom,
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const Surface * afacet,
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const Surface * as1,
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const Surface * as2);
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virtual ~CloseEdgesIdentification ();
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virtual void Print (ostream & ost) const;
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virtual void GetData (ostream & ost) const;
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// virtual void IdentifySpecialPoints (ARRAY<class SpecialPoint> & points);
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virtual int Identifyable (const SpecialPoint & sp1, const SpecialPoint & sp2,
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const TABLE<int> & specpoint2solid,
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const TABLE<int> & specpoint2surface) const;
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virtual void IdentifyPoints (class Mesh & mesh);
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virtual void BuildSurfaceElements (ARRAY<class Segment> & segs,
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class Mesh & mesh,
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const Surface * surf);
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};
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#endif
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