YafaRay4tS Lights

All YafaRay4tS lights have a built in Color Picker. Select the Color aspect for advanced color options.

Infinite Light

Color - Light color.

Power - Intensity multiplier.

Caustic - Enable light to shoot Caustic Photons.

Diffuse - Enable light to shoot Diffuse Photons.

Photon Only - No direct light.

Area Light

Render - Make the light visible in the rendered output.

Color - Light color.

Power - Intensity multiplier.

Samples - Number of samples for shadows.

Caustic - Enable light to shoot Caustic Photons.

Diffuse - Enable light to shoot Diffuse Photons.

Photon Only - No direct light.

Directional Light

Color - Light color.

Power - Intensity multiplier.

Size - Light cylinder radius in world units.

Caustic - Enable light to shoot Caustic Photons.

Diffuse - Enable light to shoot Diffuse Photons.

Photon Only - No direct light.

Sun Light

Angle - Angle of shadow casting cone.

Color - Light color.

Power - Intensity multiplier.

Samples - Number of samples used for calculating lighting and shadows.

Caustic - Enable light to shoot Caustic Photons.

Diffuse - Enable light to shoot Diffuse Photons.

Photon Only - No direct light.

Point Light

Color - Light color.

Power - Intensity multiplier.

Samples - Number of samples used for calculating lighting and shadows.

Caustic - Enable light to shoot Caustic Photons.

Diffuse - Enable light to shoot Diffuse Photons.

Photon Only - No direct light.

Spot Light

Angle - Angle of shadow casting cone.

Color - Light color.

Power - Intensity multiplier.

Hotspot - Angle of the light cone hotspot.

Soft Shadows - Enable soft shadows.

Soft Samples - Number of samples used for calculating lighting and shadows.

Soft Shadow Fuzziness - Amount of blurring to the Soft Shadow.

Caustic - Enable light to shoot Caustic Photons.

Diffuse - Enable light to shoot Diffuse Photons.

Photon Only - No direct light.

View - View from light. With light selected adjust the location of the light with the View Widget.

Sphere Light

Render - Make the light visible in the rendered output.

Color - Light color.

Power - Intensity multiplier.

Samples - Number of samples used for calculating lighting and shadows.

Caustic - Enable light to shoot Caustic Photons.

Diffuse - Enable light to shoot Diffuse Photons.

Photon Only - No direct light.

IES Spot Light

Angle - Angle of shadow casting cone.

Color - Light color.

Power - Intensity multiplier.

Caustic - Enable light to shoot Caustic Photons.

Diffuse - Enable light to shoot Diffuse Photons.

Photon Only - No direct light.

IES Data File - Use the File dialog to select an IES Data file to use.

Example: C:\trueSpace761\tS\SupportFiles\IES Files

Generate IES Preview - Generates the IES light in the Workspace scene.

Soft Shadows - Enable soft shadows.

Samples - Number of samples used for calculating lighting and shadows.

View - View from light. With light selected adjust the location of the light with the View Widget.

YafaRay Official Docs Lights