YafaRay4tS Lights Help
The following light types are included with YafaRay4tS:
YafaRay4tS - Point Light 
Color - Light Color.
Power - Light intensity.
YafaRay4tS - Spot Light 
Color - Light Color.
Power - Light intensity.
Angle - Angle of light cone.
Blend - Light falloff ratio for spot light.
YafaRay4tS - Infinite Light 
Color - Light color.
Power - Intensity multiplier.
YafaRay4tS - Sphere Light 
Color - Light Color.
Power - Light Intensity.
Size - Radius of sphere light in world units.
Samples - Number of samples for calculating lighting and shadows.
YafaRay4tS - Area Light 
Color - Light color.
Power - Light intensity.
Samples - Number of samples for shadows.
YafaRay4tS - Sun Light 
Color - Light color.
Power - Light intensity.
Angle - Angle of shadow casting cone. (Valid range is 0 to 80 degrees)
Samples - Number of samples used for calculating lighting and shadows.
YafaRay4tS - Directional Light 
Color - Light Color.
Power - Light intensity.
Size - Light cylinder radius in world units.
