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Simple Additive Compositor 383
Si mple Addi tive Compositor
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.
Rendering menu > Video Post > Video Post window >
Select a Simple Additive Compo si tor. > Video Post toolbar
>EditCurrentEvent
The Simple Additive compositor composites the
two images using the second image’s intensity
(HSV va lue) to determine t r ansparency. Areas
of full intensity (255) are opaque; areas of
zero intensity are transparent; and areas w ith
intermediate transparency are translucent.
Additive compositing
This layer event can be useful when the second
imageisabitmapwhoseformatdoesnothavean
alpha channel.
There are no setup options for this compositor.
Procedure
To u s e th e S imp l e Add it i v e Compos it or :
1.
Add two Scene or Image Input events to the
queue.
2. Select both events and assign an Image
Layer event consisting of the Simple Additive
Compositor.
Si mple W ipe Composi tor
Rendering menu > V i deo 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 Wipe Compositor from the L ayer Plug-in
list.
Rendering menu > V i deo Post > Video Post window >
Select a Simp le W ipe Compositor. > Video Post toolbar
>EditCurrentEvent
TheSimpleWipecompositorrevealsorerasesthe
foreground image w ith a wipe transition. Unlike
the Wipe filter (page 3–347),theWipelayerevent
moves the image, sliding it in or out.
Therateofthewipeisdeterminedbythelengthof
theWipecompositorstimerange.
Wipe reveals an image by wiping from one side to the other,
over time.
Procedure
To us e t he Simpl e Wi pe compositor:
1.
A dd two Scene or Image Input events to the
queue.