FILTERWIDTH
THE BOX'S MAIN HELP:
Result is a width to ramp across to get smooth antialiasing. This value is used in texture mapping as well. EDG is the edge to be antialiased. MIN is the minimum filter width.
EDG (input):
This must be a varying float. The default is s. This is the edge to be antialiased.
MIN (input):
This must be a float. 1.0e-6 is recommended. This value is the minimum filter width.
OUT (output):
Result is a width to ramp across to get smooth antialiasing. This value is used in texture mapping as well.