QGIS API Documentation  2.18.3-Las Palmas (77b8c3d)
ParametricLine.h
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1 /***************************************************************************
2  ParametricLine.h - description
3  -------------------
4  copyright : (C) 2004 by Marco Hugentobler
5  email : mhugent@geo.unizh.ch
6  ***************************************************************************/
7
8 /***************************************************************************
9  * *
10  * This program is free software; you can redistribute it and/or modify *
12  * the Free Software Foundation; either version 2 of the License, or *
13  * (at your option) any later version. *
14  * *
15  ***************************************************************************/
16
17 #ifndef PARAMETRICLINE_H
18 #define PARAMETRICLINE_H
19
20 #include "Point3D.h"
21 #include "Vector3D.h"
22 #include <QVector>
23
27 class ANALYSIS_EXPORT ParametricLine
28 {
29  protected:
31  int mDegree;
36  public:
41  ParametricLine( ParametricLine* par, QVector<Point3D*>* controlpoly );
43  virtual ~ParametricLine();
44  virtual void add( ParametricLine* pl ) = 0;
45  virtual void calcFirstDer( float t, Vector3D* v ) = 0;
46  virtual void calcSecDer( float t, Vector3D* v ) = 0;
47  //virtual Point3D calcPoint(float t);
48  virtual void calcPoint( float t, Point3D* ) = 0;
49  virtual void changeDirection() = 0;
50  //virtual void draw(QPainter* p);
51  virtual const Point3D* getControlPoint( int number ) const = 0;
52  virtual const QVector<Point3D*>* getControlPoly() const = 0;
53  virtual int getDegree() const = 0;
54  virtual ParametricLine* getParent() const = 0;
55  //virtual bool intersects(ParametricLine* pal);
56  virtual void remove( int i ) = 0;
57  virtual void setControlPoly( QVector<Point3D*>* cp ) = 0;
58  virtual void setParent( ParametricLine* paral ) = 0;
59 };
60
61 //-----------------------------------------constructors and destructor----------------------
62
64  : mDegree( 0 )
65  , mParent( nullptr )
66  , mControlPoly( nullptr )
67 {
68
69 }
70
72  : mDegree( 0 )
73  , mParent( par )
74  , mControlPoly( controlpoly )
75 {
76
77 }
78
80 {
81  //delete mParent;
82 }
83
84 #endif
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virtual ~ParametricLine()
Destructor.
Point3D is a class to represent a three dimensional point.
Definition: Point3D.h:24
Class Vector3D represents a 3D-Vector, capable to store x-,y- and z-coordinates in double values...
Definition: Vector3D.h:28
int mDegree
Degree of the parametric Line.
ParametricLine * mParent
Pointer to the parent object.
ParametricLine is an Interface for parametric lines.
QVector< Point3D * > * mControlPoly
MControlPoly stores the points of the control polygon.
ParametricLine()
Default constructor.