public double FindHorisontalFieldOfView(double pixelSize,
double linearSize,
double horisontalSizeInPixels,
double distance)
{
double horisontalFieldOfView;
horisontalFieldOfView = 2 * System.Math.Atan((linearSize * horisontalSizeInPixels) / 2 * distance * pixelSize);
return(DegreeToRadConverter.ConvertBack(horisontalFieldOfView));
}
public double FindDistance(double pixelSize,
double linearSize,
double horisontalSizeInPixels,
double horisontalFieldOfView)
{
double distance;
horisontalFieldOfView = DegreeToRadConverter.Convert(horisontalFieldOfView);
distance = (linearSize * horisontalSizeInPixels)
/ (2 * pixelSize * System.Math.Tan(horisontalFieldOfView / 2));
return(distance);
}
public double FindHorisontalSizeInPixels(double pixelSize,
double linearSize,
double distance,
double horisontalFieldOfView)
{
double horisontalSizeInPixels;
horisontalFieldOfView = DegreeToRadConverter.Convert(horisontalFieldOfView);
horisontalSizeInPixels = (pixelSize * 2 * distance * System.Math.Tan(horisontalFieldOfView / 2))
/ linearSize;
return(horisontalSizeInPixels);
}
