LinTriangleInterpolator Class Reference

LinTriangleInterpolator is a class which interpolates linearly on a triangulation. More...

#include <LinTriangleInterpolator.h>

Inheritance diagram for LinTriangleInterpolator:

Public Member Functions
	LinTriangleInterpolator ()=default
	Default constructor. More...
	LinTriangleInterpolator (DualEdgeTriangulation *tin)
	Constructor with reference to a DualEdgeTriangulation object. More...
bool	calcNormVec (double x, double y, Vector3D *result) override
	Calculates the normal vector and assigns it to vec. More...
bool	calcPoint (double x, double y, QgsPoint &result) override
	Performs a linear interpolation in a triangle and assigns the x-,y- and z-coordinates to point. More...
virtual DualEdgeTriangulation *	getTriangulation () const
	Returns a pointer to the current Triangulation object. More...
virtual void	setTriangulation (DualEdgeTriangulation *tin)
	Sets a Triangulation. More...
Public Member Functions inherited from TriangleInterpolator
virtual	~TriangleInterpolator ()=default

Protected Member Functions
virtual bool	calcFirstDerX (double x, double y, Vector3D *result)
	Calculates the first derivative with respect to x for a linear surface and assigns it to vec. More...
virtual bool	calcFirstDerY (double x, double y, Vector3D *result)
	Calculates the first derivative with respect to y for a linear surface and assigns it to vec. More...

Protected Attributes
DualEdgeTriangulation *	mTIN = nullptr

Detailed Description

LinTriangleInterpolator is a class which interpolates linearly on a triangulation.

Note

Not available in Python bindings.

Definition at line 31 of file LinTriangleInterpolator.h.

Constructor & Destructor Documentation

LinTriangleInterpolator::LinTriangleInterpolator ( )

default

Default constructor.

LinTriangleInterpolator::LinTriangleInterpolator ( DualEdgeTriangulation *  tin )

inline

Constructor with reference to a DualEdgeTriangulation object.

Definition at line 57 of file LinTriangleInterpolator.h.

Member Function Documentation

bool LinTriangleInterpolator::calcFirstDerX ( double  x, double  y, Vector3D *  result  )

protectedvirtual

Calculates the first derivative with respect to x for a linear surface and assigns it to vec.

Definition at line 20 of file LinTriangleInterpolator.cpp.

bool LinTriangleInterpolator::calcFirstDerY ( double  x, double  y, Vector3D *  result  )

protectedvirtual

Calculates the first derivative with respect to y for a linear surface and assigns it to vec.

Definition at line 47 of file LinTriangleInterpolator.cpp.

bool LinTriangleInterpolator::calcNormVec ( double  x, double  y, Vector3D *  result  )

overridevirtual

Calculates the normal vector and assigns it to vec.

Implements TriangleInterpolator.

Definition at line 73 of file LinTriangleInterpolator.cpp.

bool LinTriangleInterpolator::calcPoint ( double  x, double  y, QgsPoint &  result  )

overridevirtual

Performs a linear interpolation in a triangle and assigns the x-,y- and z-coordinates to point.

Implements TriangleInterpolator.

Definition at line 100 of file LinTriangleInterpolator.cpp.

DualEdgeTriangulation * LinTriangleInterpolator::getTriangulation ( ) const

inlinevirtual

Returns a pointer to the current Triangulation object.

Definition at line 62 of file LinTriangleInterpolator.h.

void LinTriangleInterpolator::setTriangulation ( DualEdgeTriangulation *  tin )

inlinevirtual

Sets a Triangulation.

Definition at line 67 of file LinTriangleInterpolator.h.

Member Data Documentation

DualEdgeTriangulation* LinTriangleInterpolator::mTIN = nullptr

protected

Definition at line 48 of file LinTriangleInterpolator.h.

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The documentation for this class was generated from the following files:

• /build/qgis-3.4.15+24xenial/src/analysis/interpolation/LinTriangleInterpolator.h
• /build/qgis-3.4.15+24xenial/src/analysis/interpolation/LinTriangleInterpolator.cpp