LCOV - code coverage report
Current view: top level - analysis/raster - qgsslopefilter.cpp (source / functions) Hit Total Coverage
Test: coverage.info.cleaned Lines: 0 11 0.0 %
Date: 2021-03-26 12:19:53 Functions: 0 0 -
Branches: 0 0 -

           Branch data     Line data    Source code
       1                 :            : /***************************************************************************
       2                 :            :                           qgsslopefilter.h  -  description
       3                 :            :                           --------------------------------
       4                 :            :     begin                : August 7th, 2009
       5                 :            :     copyright            : (C) 2009 by Marco Hugentobler
       6                 :            :     email                : marco dot hugentobler at karto dot baug dot ethz dot ch
       7                 :            :  ***************************************************************************/
       8                 :            : 
       9                 :            : /***************************************************************************
      10                 :            :  *                                                                         *
      11                 :            :  *   This program is free software; you can redistribute it and/or modify  *
      12                 :            :  *   it under the terms of the GNU General Public License as published by  *
      13                 :            :  *   the Free Software Foundation; either version 2 of the License, or     *
      14                 :            :  *   (at your option) any later version.                                   *
      15                 :            :  *                                                                         *
      16                 :            :  ***************************************************************************/
      17                 :            : 
      18                 :            : #include "qgsslopefilter.h"
      19                 :            : #include <cmath>
      20                 :            : 
      21                 :          0 : QgsSlopeFilter::QgsSlopeFilter( const QString &inputFile, const QString &outputFile, const QString &outputFormat )
      22                 :          0 :   : QgsDerivativeFilter( inputFile, outputFile, outputFormat )
      23                 :          0 : {
      24                 :            : 
      25                 :          0 : }
      26                 :            : 
      27                 :          0 : float QgsSlopeFilter::processNineCellWindow(
      28                 :            :   float *x11, float *x21, float *x31,
      29                 :            :   float *x12, float *x22, float *x32,
      30                 :            :   float *x13, float *x23, float *x33 )
      31                 :            : {
      32                 :          0 :   float derX = calcFirstDerX( x11, x21, x31, x12, x22, x32, x13, x23, x33 );
      33                 :          0 :   float derY = calcFirstDerY( x11, x21, x31, x12, x22, x32, x13, x23, x33 );
      34                 :            : 
      35                 :          0 :   if ( derX == mOutputNodataValue || derY == mOutputNodataValue )
      36                 :            :   {
      37                 :          0 :     return mOutputNodataValue;
      38                 :            :   }
      39                 :            : 
      40                 :          0 :   return std::atan( std::sqrt( derX * derX + derY * derY ) ) * 180.0 / M_PI;
      41                 :          0 : }
      42                 :            : 

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