The Simple Additive compositor composites the two images using the second image's intensity (HSV value) to determine transparency. Areas of full intensity (255) are opaque; areas of zero intensity are transparent; and areas with intermediate transparency are translucent.
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Rendering menu > Video Post > Video Post window > Make sure the two child events are in the order you want the Image Layer event to use them. > Select the two events. > Video Post toolbar >
(Add Image Layer Event) > Choose Simple Additive Compositor from the Layer Plug-in list.
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Rendering menu > Video Post > Video Post window > Select a Simple Additive Compositor. > Video Post toolbar >
(Edit Current Event)
Additive compositing
This layer event can be useful when the second image is a bitmap whose format does not have an alpha channel.
There are no setup options for this compositor.
Procedures
To use the Simple Additive Compositor:
- Add two Scene or Image Input events to the queue.
- Select both events and assign an Image Layer event consisting of the Simple Additive Compositor.