/// <summary>
/// Convert area light intensity in Luminance(nits) to Lumen
/// </summary>
/// <param name="areaLightShape"></param>
/// <param name="luminance"></param>
/// <param name="width"></param>
/// <param name="height"></param>
/// <returns></returns>
public static float ConvertAreaLightLuminanceToLumen(AreaLightShape areaLightShape, float luminance, float width, float height = 0)
{
switch (areaLightShape)
{
case AreaLightShape.Tube:
return(LightUtils.CalculateLineLightLuminanceToLumen(luminance, width));
case AreaLightShape.Rectangle:
return(LightUtils.ConvertRectLightLuminanceToLumen(luminance, width, height));
case AreaLightShape.Disc:
return(LightUtils.ConvertDiscLightLuminanceToLumen(luminance, width));
}
return(luminance);
}
/// <summary>
/// Convert area light intensity in EV100 to Lumen
/// </summary>
/// <param name="AreaLightShape"></param>
/// <param name="ev"></param>
/// <param name="width"></param>
/// <param name="height"></param>
/// <returns></returns>
public static float ConvertAreaLightEvToLumen(AreaLightShape AreaLightShape, float ev, float width, float height)
{
float luminance = ConvertEvToLuminance(ev);
return(ConvertAreaLightLuminanceToLumen(AreaLightShape, luminance, width, height));
}
/// <summary>
/// Convert area light intensity in Lumen to EV100
/// </summary>
/// <param name="AreaLightShape"></param>
/// <param name="lumen"></param>
/// <param name="width"></param>
/// <param name="height"></param>
/// <returns></returns>
public static float ConvertAreaLightLumenToEv(AreaLightShape AreaLightShape, float lumen, float width, float height)
{
float luminance = ConvertAreaLightLumenToLuminance(AreaLightShape, lumen, width, height);
return(ConvertLuminanceToEv(luminance));
}
