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The Gobo Light Filter is a filter placed in front of a light source that tints or blocks the emitted light. They can be applied on spot lights or area lights.
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Defines if the translation, rotation and scale specified in the Object Parameters will be applied to the filter. When this parameter is disabled, the light transform is used for the filter. Note that if the filter is set as a child of the light, then the light transform will always affect the filter. To dissociate the light transform from the filter transform and use only the later:
- Turn this parameter on;
- Unparent the filter from the light in the Gaffer Object Table;
- Set up a light filter reference as detailed above.
Scale
The scale factors applied to the range of S and T values covered by the filter, respectively. Values between 0 and 1 will appear to enlarge the map since the whole filter will cover a smaller portion of the usual texture coordinate area (from 0 to 1).
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