UNION
THE BOX'S MAIN HELP:
The result is A + B - (A * B). This is the union of A and B. A and B may be floats, points or colors, but they must be the same data type. Output will be the same data type.
A (input):
This may be a float, point, or color, but it must be the same type as B. The default is float.
B (input):
This may be a float, point, or color, but it must be the same type as A. The default is float.
OUT (output):
The result is A + B - (A * B). This is the union of A and B. A and B may be floats, points or colors, but they must be the same data type. Output will be the same data type.