source: src/tesselationhelpers.hpp@ 5be0eb

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Last change on this file since 5be0eb was 71b20e, checked in by Frederik Heber <heber@…>, 15 years ago

Attempt to fix the embedding.

Basically it would be working, but there was some failures with the FindClosestTriangleToPoint() routines.
We get triangles wrong if we start looking for the closest point. Actually, we should really look at each
triangle and check the distance. Now, we look at least at each line, but code is unfinished and crashes at the end
unexplainedly.
  • Property mode set to 100644
File size: 3.8 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 <gsl/gsl_linalg.h>
23#include <gsl/gsl_matrix.h>
24#include <gsl/gsl_multimin.h>
25#include <gsl/gsl_permutation.h>
26#include <gsl/gsl_vector.h>
27
28#include <iostream>
29
30#include "defs.hpp"
31
32/****************************************** forward declarations *****************************/
33
34class BoundaryPointSet;
35class BoundaryLineSet;
36class BoundaryTriangleSet;
37class LinkedCell;
38class TesselPoint;
39class PointCloud;
40class Tesselation;
41class Vector;
42
43/********************************************** definitions *********************************/
44
45#define HULLEPSILON 1e-10
46
47/********************************************** declarations *******************************/
48
49double DetGet(gsl_matrix * const A, const int inPlace);
50void GetSphere(Vector * const Center, const Vector &a, const Vector &b, const Vector &c, const double RADIUS);
51void 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);
52void GetCenterofCircumcircle(Vector * const Center, const Vector &a, const Vector &b, const Vector &c);
53double GetPathLengthonCircumCircle(const Vector &CircleCenter, const Vector &CirclePlaneNormal, const double CircleRadius, const Vector &NewSphereCenter, const Vector &OldSphereCenter, const Vector &NormalVector, const Vector &SearchDirection);
54double MinIntersectDistance(const gsl_vector * x, void *params);
55bool existsIntersection(const Vector &point1, const Vector &point2, const Vector &point3, const Vector &point4);
56double CalculateVolumeofGeneralTetraeder(const Vector &a, const Vector &b, const Vector &c, const Vector &d);
57double GetAngle(const Vector &point, const Vector &reference, const Vector &OrthogonalVector);
58
59bool CheckLineCriteriaForDegeneratedTriangle(const BoundaryPointSet * const nodes[3]);
60bool SortCandidates(const CandidateForTesselation* candidate1, const CandidateForTesselation *candidate2);
61TesselPoint* FindClosestTesselPoint(const Vector* Point, TesselPoint *&SecondPoint, const LinkedCell* const LC);
62TesselPoint* FindSecondClosestTesselPoint(const Vector*, const LinkedCell* const LC);
63Vector * GetClosestPointBetweenLine(const BoundaryLineSet * const Base, const BoundaryLineSet * const OtherBase);
64
65void WriteTecplotFile(ofstream * const tecplot, const Tesselation * const TesselStruct, const PointCloud * const cloud, const int N);
66void WriteRaster3dFile(ofstream * const rasterfile, const Tesselation * const Tess, const PointCloud * const cloud);
67void IncludeSphereinRaster3D(ofstream * const rasterfile, const Tesselation *Tess, const PointCloud *cloud);
68void WriteVrmlFile(ofstream * const vrmlfile, const Tesselation * const Tess, const PointCloud * const cloud);
69void CalculateConcavityPerBoundaryPoint(const Tesselation * const TesselStruct);
70double DistanceToTrianglePlane(const Vector *x, const BoundaryTriangleSet * const triangle);
71
72bool CheckListOfBaselines(const Tesselation * const TesselStruct);
73
74int CountTrianglePairContainingPolygon(const BoundaryPolygonSet * const P, const TriangleSet * const T);
75bool ArePolygonsEdgeConnected(const BoundaryPolygonSet * const P1, const BoundaryPolygonSet * const P2);
76void CombinePolygons(BoundaryPolygonSet * const P1, BoundaryPolygonSet * &P2);
77
78
79#endif /* TESSELATIONHELPERS_HPP_ */
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