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[analysis] fix derivative filter z factor handling

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This commit is contained in:
nirvn 2017-08-25 16:31:13 +07:00
parent 233f25abd9
commit 05071434e3
1 changed files with 2 additions and 2 deletions
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src/analysis/raster/qgsderivativefilter.cpp
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@ -87,7 +87,7 @@ float QgsDerivativeFilter::calcFirstDerX( float *x11, float *x21, float *x31, fl
return mOutputNodataValue;
}
return sum / ( weight * mCellSizeX * mZFactor );
return sum / ( weight * mCellSizeX ) * mZFactor;
}
float QgsDerivativeFilter::calcFirstDerY( float *x11, float *x21, float *x31, float *x12, float *x22, float *x32, float *x13, float *x23, float *x33 )
@ -154,7 +154,7 @@ float QgsDerivativeFilter::calcFirstDerY( float *x11, float *x21, float *x31, fl
return mOutputNodataValue;
}
return sum / ( weight * mCellSizeY * mZFactor );
return sum / ( weight * mCellSizeY ) * mZFactor;
}