source: src/Tesselation/tesselationhelpers.hpp@ 4aee30

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Last change on this file since 4aee30 was 6bd7e0, checked in by Frederik Heber <heber@…>, 14 years ago

Renamed old LinkedCell class to LinkedCell_deprecated.

  • this is preparatory for a smooth transition to the new implementation.
  • note that class LinkedCell and namespace LinkedCell bite each other so far.
  • Property mode set to 100644
File size: 3.7 KB
Line 
1/*
2 * TesselationHelpers.hpp
3 *
4 * Auxiliary functions for the tesselation.
5 *
6 * Created on: Aug 3, 2009
7 * Author: heber
8 */
9
10#ifndef TESSELATIONHELPERS_HPP_
11#define TESSELATIONHELPERS_HPP_
12
13using namespace std;
14
15/*********************************************** includes ***********************************/
16
17// include config.h
18#ifdef HAVE_CONFIG_H
19#include <config.h>
20#endif
21
22#include <iosfwd>
23
24#include "BoundaryMaps.hpp"
25#include "Helpers/defs.hpp"
26
27/****************************************** forward declarations *****************************/
28
29class BoundaryPointSet;
30class BoundaryLineSet;
31class BoundaryTriangleSet;
32class BoundaryPolygonSet;
33class CandidateForTesselation;
34class LinkedCell_deprecated;
35class TesselPoint;
36class IPointCloud;
37class Tesselation;
38class Vector;
39
40/********************************************** definitions *********************************/
41
42/********************************************** declarations *******************************/
43
44void GetSphere(Vector & Center, const Vector &a, const Vector &b, const Vector &c, const double RADIUS);
45void GetCenterOfSphere(Vector& Center, const Vector &a, const Vector &b, const Vector &c, Vector &NewUmkreismittelpunkt, const Vector &Direction, const Vector* const AlternativeDirection, const double HalfplaneIndicator, const double AlternativeIndicator, const double alpha, const double beta, const double gamma, const double RADIUS, const double Umkreisradius);
46void GetCenterofCircumcircle(Vector & Center, const Vector &a, const Vector &b, const Vector &c);
47double GetPathLengthonCircumCircle(const Vector &CircleCenter, const Vector &CirclePlaneNormal, const double CircleRadius, const Vector &NewSphereCenter, const Vector &OldSphereCenter, const Vector &NormalVector, const Vector &SearchDirection, const double HULLEPSILON);
48double CalculateVolumeofGeneralTetraeder(const Vector &a, const Vector &b, const Vector &c, const Vector &d);
49double CalculateAreaofGeneralTriangle(const Vector &A, const Vector &B, const Vector &C);
50double GetAngle(const Vector &point, const Vector &reference, const Vector &OrthogonalVector);
51
52bool CheckLineCriteriaForDegeneratedTriangle(const BoundaryPointSet * const nodes[3]);
53bool SortCandidates(const CandidateForTesselation* candidate1, const CandidateForTesselation *candidate2);
54TesselPoint* FindClosestTesselPoint(const Vector & Point, TesselPoint *&SecondPoint, const LinkedCell_deprecated* const LC);
55TesselPoint* FindSecondClosestTesselPoint(const Vector &, const LinkedCell_deprecated* const LC);
56Vector * GetClosestPointBetweenLine(const BoundaryLineSet * const Base, const BoundaryLineSet * const OtherBase);
57
58void WriteTecplotFile(ofstream * const tecplot, const Tesselation * const TesselStruct, IPointCloud & cloud, const int N);
59void WriteRaster3dFile(ofstream * const rasterfile, const Tesselation * const Tess, IPointCloud & cloud);
60void IncludeSphereinRaster3D(ofstream * const rasterfile, const Tesselation *Tess, IPointCloud & cloud);
61void WriteVrmlFile(ofstream * const vrmlfile, const Tesselation * const Tess, IPointCloud & cloud);
62void CalculateConcavityPerBoundaryPoint(const Tesselation * const TesselStruct);
63void CalculateConstrictionPerBoundaryPoint(const Tesselation * const TesselStruct, const Tesselation * const Convex);
64double DistanceToTrianglePlane(const Vector &x, const BoundaryTriangleSet * const triangle);
65
66bool CheckListOfBaselines(const Tesselation * const TesselStruct);
67
68int CountTrianglePairContainingPolygon(const BoundaryPolygonSet * const P, const TriangleSet * const T);
69bool ArePolygonsEdgeConnected(const BoundaryPolygonSet * const P1, const BoundaryPolygonSet * const P2);
70void CombinePolygons(BoundaryPolygonSet * const P1, BoundaryPolygonSet * &P2);
71
72
73#endif /* TESSELATIONHELPERS_HPP_ */
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