| 1 | /*
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| 2 |  * TesselationHelpers.hpp
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| 3 |  *
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| 4 |  *  Auxiliary functions for the tesselation.
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| 5 |  *
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| 6 |  *  Created on: Aug 3, 2009
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| 7 |  *      Author: heber
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| 8 |  */
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| 9 | 
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| 10 | #ifndef TESSELATIONHELPERS_HPP_
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| 11 | #define TESSELATIONHELPERS_HPP_
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| 12 | 
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| 13 | using namespace std;
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| 14 | 
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| 15 | /*********************************************** includes ***********************************/
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| 16 | 
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| 17 | // include config.h
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| 18 | #ifdef HAVE_CONFIG_H
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| 19 | #include <config.h>
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| 20 | #endif
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| 21 | 
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| 22 | #include <gsl/gsl_linalg.h>
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| 23 | #include <gsl/gsl_matrix.h>
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| 24 | #include <gsl/gsl_multimin.h>
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| 25 | #include <gsl/gsl_permutation.h>
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| 26 | #include <gsl/gsl_vector.h>
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| 27 | 
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| 28 | #include <iostream>
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| 29 | 
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| 30 | #include "defs.hpp"
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| 31 | 
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| 32 | /****************************************** forward declarations *****************************/
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| 33 | 
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| 34 | class BoundaryPointSet;
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| 35 | class BoundaryLineSet;
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| 36 | class BoundaryTriangleSet;
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| 37 | class LinkedCell;
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| 38 | class TesselPoint;
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| 39 | class PointCloud;
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| 40 | class Tesselation;
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| 41 | class Vector;
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| 42 | 
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| 43 | /********************************************** definitions *********************************/
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| 44 | 
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| 45 | #define HULLEPSILON 1e-10
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| 46 | 
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| 47 | /********************************************** declarations *******************************/
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| 48 | 
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| 49 | double DetGet(gsl_matrix *A, int inPlace);
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| 50 | void GetSphere(Vector *center, Vector &a, Vector &b, Vector &c, double RADIUS);
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| 51 | void GetCenterOfSphere(Vector* Center, Vector a, Vector b, Vector c, Vector *NewUmkreismittelpunkt, Vector* Direction, Vector* AlternativeDirection, double HalfplaneIndicator, double AlternativeIndicator, double alpha, double beta, double gamma, double RADIUS, double Umkreisradius);
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| 52 | void GetCenterofCircumcircle(Vector *Center, Vector *a, Vector *b, Vector *c);
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| 53 | double GetPathLengthonCircumCircle(Vector &CircleCenter, Vector &CirclePlaneNormal, double CircleRadius, Vector &NewSphereCenter, Vector &OldSphereCenter, Vector &NormalVector, Vector &SearchDirection);
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| 54 | double MinIntersectDistance(const gsl_vector * x, void *params);
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| 55 | bool existsIntersection(Vector point1, Vector point2, Vector point3, Vector point4);
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| 56 | double CalculateVolumeofGeneralTetraeder(Vector *a, Vector *b, Vector *c, Vector *d);
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| 57 | double GetAngle(const Vector &point, const Vector &reference, const Vector OrthogonalVector);
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| 58 | 
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| 59 | bool CheckLineCriteriaForDegeneratedTriangle(class BoundaryPointSet *nodes[3]);
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| 60 | bool SortCandidates(class CandidateForTesselation* candidate1, class CandidateForTesselation* candidate2);
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| 61 | TesselPoint* FindClosestPoint(const Vector* Point, TesselPoint *&SecondPoint, LinkedCell* LC);
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| 62 | TesselPoint* FindSecondClosestPoint(const Vector*, LinkedCell*);
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| 63 | Vector * GetClosestPointBetweenLine(ofstream *out, class BoundaryLineSet *Base, class BoundaryLineSet *OtherBase);
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| 64 | 
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| 65 | void WriteTecplotFile(ofstream *out, ofstream *tecplot, class Tesselation *TesselStruct, PointCloud *cloud, int N);
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| 66 | void WriteRaster3dFile(ofstream *out, ofstream *rasterfile, class Tesselation *Tess, PointCloud *cloud);
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| 67 | void IncludeSphereinRaster3D(ofstream *out, ofstream *rasterfile, class Tesselation *Tess, PointCloud *cloud);
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| 68 | void WriteVrmlFile(ofstream *out, ofstream *vrmlfile, class Tesselation *Tess, PointCloud *cloud);
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| 69 | void CalculateConcavityPerBoundaryPoint(ofstream *out, class Tesselation *TesselStruct);
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| 70 | double DistanceToTrianglePlane(ofstream *out, Vector *x, BoundaryTriangleSet *triangle);
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| 71 | 
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| 72 | bool CheckListOfBaselines(ofstream *out, Tesselation *TesselStruct);
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| 73 | 
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| 74 | 
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| 75 | #endif /* TESSELATIONHELPERS_HPP_ */
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