Searched refs:dAperture (Results 1 – 2 of 2) sorted by relevance
104 …double dAperture = 2 * (log(this->aperture) - log(aperture)) / log(2); //more important for vignet… in distance() local107 return sqrt( dfocallength * dfocallength + dAperture * dAperture); in distance()
111 …double dAperture = 2 * (log(this->aperture) - log(aperture)) / log(2); //more important for vignet… in distance() local114 return sqrt( dfocallength * dfocallength + dAperture * dAperture); in distance()