60
MBOX EXTREME
®
MEDIA SERVER USER MANUAL
Here is an example of using the Stencil to affect a higher numbered layer. On the left, a digital gobo on Layer 1 in
Drawmode 1 (Light) so it can be seen. And then next to it, a movie clip on Layer 2 in Drawmode 0 (idle). The movie on
Layer 2 obscures the gobo on Layer 1.
Now on the left, Layer 2 has been set to Drawmode 6 (Draw thru Stencil) and on the right it has been set to Drawmode
8 (Draw onto Stencil). In both cases, the gobo on Layer 1 has been set to Drawmode 2 (Cut) otherwise it would not
have any effect upon the Stencil. Note that the lighting on the gobo is off, since the Drawmode has been changed.
It is important to realize that when a layer’s Drawmode is set to 6, the term "Draw thru Stencil" really means, Draw this
layer’s texture only where the holes are in the Stencil. In the opposite case, if a layer’s Drawmode is set to 8, the term
"Draw onto Stencil" really means, Draw this layer’s texture only where the Stencil hasn’t got holes.
By setting Layer 1 to Drawmode 5 (Cut and Draw plus Light) and applying a texture to Layer 1, Layer 1’s texture can
be shown instead of the black areas seen in the right-hand image above.
In the illustration above, Drawmode 5 causes the shape of Layer 1’s gobo to be cut into the Stencil. Also, Layer 1’s
texture is applied to the gobo and, therefore, that texture is shown in the holes in the Stencil. In this particular
example, the same result could be achieved without using Drawmodes by placing the green clip on Layer 1 and
placing the textured gobo on Layer 2 with Layer 1’s Drawmode set to 1.
The benefits of the various Drawmodes become more apparent when the holes cut into the Stencil are used to affect
more than one layer. You can achieve very interesting results if you use a movie with a transparency effect applied to
cut the Stencil.
The left-hand illustration shows a movie playing on Layer 1 and on the right that same movie with the White Alpha
Effect (056) turned on.
draw thru stencil
draw onto stencil
Summary of Contents for MBOX EXTREME
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