QGIS API Documentation  2.15.0-Master (af20121)
Bezier3D.h
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1 /***************************************************************************
2  Bezier3D.h - description
3  -------------------
4  copyright : (C) 2004 by Marco Hugentobler
5  email : [email protected]
6  ***************************************************************************/
7 
8 /***************************************************************************
9  * *
10  * This program is free software; you can redistribute it and/or modify *
11  * it under the terms of the GNU General Public License as published by *
12  * the Free Software Foundation; either version 2 of the License, or *
13  * (at your option) any later version. *
14  * *
15  ***************************************************************************/
16 
17 #ifndef BEZIER3D_H
18 #define BEZIER3D_H
19 
20 #include "ParametricLine.h"
21 #include "Vector3D.h"
22 #include "MathUtils.h"
23 #include "qgslogger.h"
24 
26 class ANALYSIS_EXPORT Bezier3D: public ParametricLine
27 {
28  protected:
29 
30  public:
32  Bezier3D();
34  Bezier3D( ParametricLine* par, QVector<Point3D*>* controlpoly );
36  virtual ~Bezier3D();
38  virtual void add( ParametricLine *pl ) override;
40  virtual void calcFirstDer( float t, Vector3D* v ) override;
42  virtual void calcSecDer( float t, Vector3D* v ) override;
43  //virtual Point3D calcPoint(float t);
45  virtual void calcPoint( float t, Point3D* p ) override;
47  virtual void changeDirection() override;
48  //virtual void draw(QPainter* p);
49  //virtual bool intersects(ParametricLine* pal);
51  virtual void remove( int i ) override;
53  virtual const Point3D* getControlPoint( int number ) const override;
55  virtual const QVector<Point3D*>* getControlPoly() const override;
57  virtual int getDegree() const override;
59  virtual ParametricLine* getParent() const override;
61  virtual void setParent( ParametricLine* par ) override;
63  virtual void setControlPoly( QVector<Point3D*>* cp ) override;
64 
65 };
66 
67 //-----------------------------------------------constructors, destructor and assignment operator------------------------------
68 
69 inline Bezier3D::Bezier3D() : ParametricLine()//default constructor
70 {
71 
72 }
73 
74 inline Bezier3D::Bezier3D( ParametricLine* parent, QVector<Point3D*>* controlpoly ) : ParametricLine( parent, controlpoly )
75 {
76  mDegree = mControlPoly->count() - 1;
77 }
78 
80 {
81 
82 }
83 
84 //----------------------------------------------invalid methods add and remove (because of inheritance from ParametricLine)
85 
86 inline void Bezier3D::add( ParametricLine *pl )
87 {
88  Q_UNUSED( pl );
89  QgsDebugMsg( "Error!!!!! A Bezier-curve can not be parent of a ParametricLine." );
90 }
91 
92 inline void Bezier3D::remove( int i )
93 {
94  Q_UNUSED( i );
95  QgsDebugMsg( "Error!!!!! A Bezier-curve has no children to remove." );
96 }
97 
98 //-----------------------------------------------setters and getters---------------------------------------------------------------
99 
100 inline const Point3D* Bezier3D::getControlPoint( int number ) const
101 {
102  return ( *mControlPoly )[number-1];
103 }
104 
106 {
107  return mControlPoly;
108 }
109 
110 inline int Bezier3D::getDegree() const
111 {
112  return mDegree;
113 }
114 
116 {
117  return mParent;
118 }
119 
121 {
122  mParent = par;
123 }
124 
126 {
127  mControlPoly = cp;
128  mDegree = mControlPoly->count() - 1;
129 }
130 
131 #endif
132 
virtual void setParent(ParametricLine *paral)=0
virtual void setParent(ParametricLine *par) override
Sets the parent.
Definition: Bezier3D.h:120
virtual void setControlPoly(QVector< Point3D * > *cp)=0
virtual void add(ParametricLine *pl) override
Do not use this method, since a Bezier curve does not consist of other curves.
Definition: Bezier3D.h:86
#define QgsDebugMsg(str)
Definition: qgslogger.h:33
Class Bezier3D represents a bezier curve, represented by control points.
Definition: Bezier3D.h:26
virtual const QVector< Point3D * > * getControlPoly() const override
Returns a pointer to the control polygon.
Definition: Bezier3D.h:105
virtual void calcPoint(float t, Point3D *)=0
Point3D is a class to represent a three dimensional point.
Definition: Point3D.h:23
virtual ParametricLine * getParent() const =0
virtual void add(ParametricLine *pl)=0
Class Vector3D represents a 3D-Vector, capable to store x-,y- and z-coordinates in double values...
Definition: Vector3D.h:22
virtual void changeDirection()=0
virtual int getDegree() const override
Returns the degree of the curve.
Definition: Bezier3D.h:110
int mDegree
Degree of the parametric Line.
virtual ParametricLine * getParent() const override
Returns the parent.
Definition: Bezier3D.h:115
ParametricLine * mParent
Pointer to the parent object.
virtual const Point3D * getControlPoint(int number) const =0
ParametricLine is an Interface for parametric lines.
QVector< Point3D * > * mControlPoly
MControlPoly stores the points of the control polygon.
virtual void setControlPoly(QVector< Point3D * > *cp) override
Sets the control polygon.
Definition: Bezier3D.h:125
virtual const Point3D * getControlPoint(int number) const override
Returns a control point.
Definition: Bezier3D.h:100
virtual ~Bezier3D()
Destructor.
Definition: Bezier3D.h:79
Bezier3D()
Default constructor.
Definition: Bezier3D.h:69
virtual const QVector< Point3D * > * getControlPoly() const =0
virtual void calcSecDer(float t, Vector3D *v)=0
virtual void remove(int i) override
Do not use this method, since a Bezier curve does not consist of other curves.
Definition: Bezier3D.h:92
int count(const T &value) const
virtual int getDegree() const =0
virtual void calcFirstDer(float t, Vector3D *v)=0