source: src/tesselationhelpers.hpp@ 796aa6

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Last change on this file since 796aa6 was 08d9595, checked in by Tillmann Crueger <crueger@…>, 14 years ago

removed GSL-Headers from tesselationhelpers.hpp
  • 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 "defs.hpp"
25
26/****************************************** forward declarations *****************************/
27
28class BoundaryPointSet;
29class BoundaryLineSet;
30class BoundaryTriangleSet;
31class LinkedCell;
32class TesselPoint;
33class PointCloud;
34class Tesselation;
35class Vector;
36
37/********************************************** definitions *********************************/
38
39#define HULLEPSILON 1e-9 //!< TODO: Get rid of HULLEPSILON, points to numerical instabilities
40
41/********************************************** declarations *******************************/
42
43void GetSphere(Vector * const Center, const Vector &a, const Vector &b, const Vector &c, const double RADIUS);
44void GetCenterOfSphere(Vector* const Center, const Vector &a, const Vector &b, const Vector &c, Vector * const NewUmkreismittelpunkt, const Vector* const 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);
45void GetCenterofCircumcircle(Vector * const Center, const Vector &a, const Vector &b, const Vector &c);
46double GetPathLengthonCircumCircle(const Vector &CircleCenter, const Vector &CirclePlaneNormal, const double CircleRadius, const Vector &NewSphereCenter, const Vector &OldSphereCenter, const Vector &NormalVector, const Vector &SearchDirection);
47double CalculateVolumeofGeneralTetraeder(const Vector &a, const Vector &b, const Vector &c, const Vector &d);
48double CalculateAreaofGeneralTriangle(const Vector &A, const Vector &B, const Vector &C);
49double GetAngle(const Vector &point, const Vector &reference, const Vector &OrthogonalVector);
50
51bool CheckLineCriteriaForDegeneratedTriangle(const BoundaryPointSet * const nodes[3]);
52bool SortCandidates(const CandidateForTesselation* candidate1, const CandidateForTesselation *candidate2);
53TesselPoint* FindClosestTesselPoint(const Vector* Point, TesselPoint *&SecondPoint, const LinkedCell* const LC);
54TesselPoint* FindSecondClosestTesselPoint(const Vector*, const LinkedCell* const LC);
55Vector * GetClosestPointBetweenLine(const BoundaryLineSet * const Base, const BoundaryLineSet * const OtherBase);
56
57void WriteTecplotFile(ofstream * const tecplot, const Tesselation * const TesselStruct, const PointCloud * const cloud, const int N);
58void WriteRaster3dFile(ofstream * const rasterfile, const Tesselation * const Tess, const PointCloud * const cloud);
59void IncludeSphereinRaster3D(ofstream * const rasterfile, const Tesselation *Tess, const PointCloud *cloud);
60void WriteVrmlFile(ofstream * const vrmlfile, const Tesselation * const Tess, const PointCloud * const cloud);
61void CalculateConcavityPerBoundaryPoint(const Tesselation * const TesselStruct);
62void CalculateConstrictionPerBoundaryPoint(const Tesselation * const TesselStruct, const Tesselation * const Convex);
63double DistanceToTrianglePlane(const Vector *x, const BoundaryTriangleSet * const triangle);
64
65bool CheckListOfBaselines(const Tesselation * const TesselStruct);
66
67int CountTrianglePairContainingPolygon(const BoundaryPolygonSet * const P, const TriangleSet * const T);
68bool ArePolygonsEdgeConnected(const BoundaryPolygonSet * const P1, const BoundaryPolygonSet * const P2);
69void CombinePolygons(BoundaryPolygonSet * const P1, BoundaryPolygonSet * &P2);
70
71
72#endif /* TESSELATIONHELPERS_HPP_ */
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