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a9d7630a69
Because 3D coordinates should be the default. References https://github.com/qgis/qgis3.0_api/issues/36
47 lines
1.7 KiB
C++
47 lines
1.7 KiB
C++
/***************************************************************************
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qgsbearingutils.h
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-----------------
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begin : October 2016
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copyright : (C) 2016 by Nyall Dawson
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email : nyall dot dawson at gmail dot com
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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 QGSBEARINGUTILS_H
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#define QGSBEARINGUTILS_H
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class QgsCoordinateReferenceSystem;
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class QgsPointXY;
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#include "qgis_core.h"
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/**
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* \class QgsBearingUtils
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* \ingroup core
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* Utilities for calculating bearings and directions.
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* \since QGIS 2.18
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*/
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class CORE_EXPORT QgsBearingUtils
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{
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public:
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/**
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* Returns the direction to true north from a specified point and for a specified
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* coordinate reference system. The returned value is in degrees clockwise from
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* vertical. An exception will be thrown if the bearing could not be calculated.
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*/
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static double bearingTrueNorth( const QgsCoordinateReferenceSystem &crs,
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const QgsPointXY &point );
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};
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#endif //QGSBEARINGUTILS_H
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