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This control is used to make RGB actuator states visible in a layered way. The base is the color of the RGB actuator(s) which is covered with an Opacity Mask. Any colored pixel of the mask determines a dot which will be colored in the resulting image. Invisible areas work, as if they are completely colorless and through shining. As a third layer you can place an image with alpha channel or an image with invisible parts (PNG or GIF). This could be a photo of the restaurants guest room mentioned in RGB control. When the lighter part of the image (e.g. the walls illuminated with indirect spots) would be through shining, one can get a preview of the room and its colored hue. On the “Object” tab Object tab of the control the following functions can be selected:
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