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10. Features Attributes and Functions
To explain the layer effect engine it is illustrative to imagine grandMA VPU as a model of a several movable
cameras where every camera looks at a layer object like a 2D plane or a 3D cube.
In these examples an image may be a texture (picture), or a video.
Layer Features and Attributes
Example
with values in %
Dimmer
Dimmer 50 %
Dimmer function. To facilitate fading between different layers the dimmer controls the
transparency of an object.
If the dimmer is 0 the object is transparent and the projection is invisible.
If the dimmer is “full” the object is opaque and you can only see the front layer (front Z-
position)
MixColor
(R; G; B)
Color (0,0,0)
Tint the output with the RGB (Red; Green; Blue)color mixer
HSBC
(
H
ue shift,
S
aturation,
B
rig
C
ontrast)
HSBC (50,50,50,50)
Set Hue, Saturation and Brightness of a layer
Colorkey
Image Layer 1
Set the transparency for the foreground object.
First select the color then set the tolerance.
The switch 'Alpha’ decides if the pixel gets complete transparent or opaque in dependency
to the color key.
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grandMA2 User Manual - Features Attributes and Functions
Version 3.4 – 2018-07-25
English