QGIS API Documentation  3.23.0-Master (4fd2f04bd0)
LinTriangleInterpolator.h
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1 /***************************************************************************
2  LinTriangleInterpolator.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 LINTRIANGLEINTERPOLATOR_H
18 #define LINTRIANGLEINTERPOLATOR_H
19 
20 #include "TriangleInterpolator.h"
22 #include "qgis_analysis.h"
23 
24 #define SIP_NO_FILE
25 
31 class ANALYSIS_EXPORT LinTriangleInterpolator : public TriangleInterpolator
32 {
33  public:
39  bool calcNormVec( double x, double y, QgsPoint &result SIP_OUT ) override;
40  bool calcPoint( double x, double y, QgsPoint &result SIP_OUT ) override;
42  virtual QgsDualEdgeTriangulation *getTriangulation() const;
44  virtual void setTriangulation( QgsDualEdgeTriangulation *tin );
45 
46 
47  protected:
48  QgsDualEdgeTriangulation *mTIN = nullptr;
50  virtual bool calcFirstDerX( double x, double y, Vector3D *result SIP_OUT );
52  virtual bool calcFirstDerY( double x, double y, Vector3D *result SIP_OUT );
53 };
54 
55 #ifndef SIP_RUN
56 
58 {
59 
60 }
61 
63 {
64  return mTIN;
65 }
66 
68 {
69  mTIN = tin;
70 }
71 
72 #endif
73 #endif
74 
75 
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LinTriangleInterpolator is a class which interpolates linearly on a triangulation.
LinTriangleInterpolator()=default
Default constructor.
QgsDualEdgeTriangulation * mTIN
virtual void setTriangulation(QgsDualEdgeTriangulation *tin)
Sets a Triangulation.
virtual QgsDualEdgeTriangulation * getTriangulation() const
Returns a pointer to the current Triangulation object.
DualEdgeTriangulation is an implementation of a triangulation class based on the dual edge data struc...
Point geometry type, with support for z-dimension and m-values.
Definition: qgspoint.h:49
This is an interface for interpolator classes for triangulations.
virtual bool calcNormVec(double x, double y, QgsPoint &result)=0
Calculates the normal vector and assigns it to vec.
virtual bool calcPoint(double x, double y, QgsPoint &result)=0
Performs a linear interpolation in a triangle and assigns the x-,y- and z-coordinates to point.
Class Vector3D represents a 3D-Vector, capable to store x-,y- and z-coordinates in double values.
Definition: Vector3D.h:36
#define SIP_OUT
Definition: qgis_sip.h:58