CalculateMeanExposure.cpp

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// -*- c-basic-offset: 4 -*-
#include "CalculateMeanExposure.h"

#include <panodata/PanoramaData.h>


namespace HuginBase {


double CalculateMeanExposure::calcMeanExposure(const PanoramaData& pano)
{
    double exposure=0;
    size_t counter = 0;
    for (size_t i = 0; i < pano.getNrOfImages(); i++)
    {
        const HuginBase::SrcPanoImage& img = pano.getImage(i);
        if (img.getActive())
        {
            exposure += img.getExposureValue();
            ++counter;
        };
    }
    return (counter > 0) ? (exposure / counter) : 0.0;
}


}