QGIS API Documentation
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src
analysis
interpolation
qgsidwinterpolator.h
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/***************************************************************************
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qgsidwinterpolator.h
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--------------------
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begin : March 10, 2008
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copyright : (C) 2008 by Marco Hugentobler
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email : marco dot hugentobler at karto dot baug dot ethz dot ch
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***************************************************************************/
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/***************************************************************************
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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***************************************************************************/
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#ifndef QGSIDWINTERPOLATOR_H
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#define QGSIDWINTERPOLATOR_H
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#include "
qgsinterpolator.h
"
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#include "qgis_analysis.h"
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class
ANALYSIS_EXPORT
QgsIDWInterpolator
:
public
QgsInterpolator
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{
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public
:
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QgsIDWInterpolator
(
const
QList<QgsInterpolator::LayerData> &layerData );
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int
interpolatePoint
(
double
x,
double
y,
double
&result
SIP_OUT
,
QgsFeedback
*feedback =
nullptr
)
override
;
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void
setDistanceCoefficient
(
double
coefficient ) { mDistanceCoefficient = coefficient;}
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double
distanceCoefficient
()
const
{
return
mDistanceCoefficient; }
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private
:
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QgsIDWInterpolator
() =
delete
;
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double
mDistanceCoefficient = 2.0;
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};
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#endif
QgsInterpolator::interpolatePoint
virtual int interpolatePoint(double x, double y, double &result, QgsFeedback *feedback=nullptr)=0
Calculates interpolation value for map coordinates x, y.
qgsinterpolator.h
SIP_OUT
#define SIP_OUT
Definition:
qgis_sip.h:58
QgsInterpolator
Interface class for interpolations.
Definition:
qgsinterpolator.h:74
QgsFeedback
Base class for feedback objects to be used for cancellation of something running in a worker thread.
Definition:
qgsfeedback.h:44
QgsIDWInterpolator::setDistanceCoefficient
void setDistanceCoefficient(double coefficient)
Sets the distance coefficient, the parameter that sets how the values are weighted with distance.
Definition:
qgsidwinterpolator.h:49
QgsIDWInterpolator::distanceCoefficient
double distanceCoefficient() const
Returns the distance coefficient, the parameter that sets how the values are weighted with distance.
Definition:
qgsidwinterpolator.h:61
QgsIDWInterpolator
Inverse distance weight interpolator.
Definition:
qgsidwinterpolator.h:29
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