Get Alpha

Overview
The Get Alpha Node.
Get Alpha returns the alpha value of the color space of an Object in a Scene. The Object ID is given as input to the Node.
The Get Alpha Node only works with Objects that have Attributes from the Sprite category, such as List, Image Sequence, Web Sprite, Sprite, and Text.
​Scope: Scene, Function, Prefab.
Attributes
The Get Alpha Node Attributes.
Attribute
Type
Description
Object
ObjectID
The Object, whose Alpha Attribute value you wish to return, if one is not provided in the Object ID Socket.
Inputs
Input
Type
Description
Pulse Input (►)
Pulse
A standard Input Pulse, to trigger the execution of the Node.
Object ID
ObjectID
The Object whose Alpha Attribute value you wish to return.
Outputs
Output
Type
Description
Pulse Output (►)
Pulse
A standard Output Pulse, to move onto the next Node along the Logic Branch, once this Node has finished its execution.
Alpha
Float
The alpha value of the Object.
See Also
​Set Alpha​
External Links
​Alpha compositing on Wikipedia.

Attribute	Type	Description
`Object`	ObjectID	The Object, whose `Alpha` Attribute value you wish to return, if one is not provided in the `Object ID` Socket.

Input	Type	Description
Pulse Input (►)	Pulse	A standard Input Pulse, to trigger the execution of the Node.
`Object ID`	ObjectID	The Object whose `Alpha` Attribute value you wish to return.

Output	Type	Description
Pulse Output (►)	Pulse	A standard Output Pulse, to move onto the next Node along the Logic Branch, once this Node has finished its execution.
`Alpha`	Float	The alpha value of the Object.

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Last modified 4mo ago