Use the Set Range utility

For a description of the Set Range utility, see Set Range.

To set the range using the Set Range utility

In a texture’s Attribute Editor, map the Set Range utility to an attribute.
The texture attribute changes as soon as you map it to the Set Range utility.
Click the box you mapped the attribute to. The Set RangeAttribute Editor appears. Adjust the values as necessary.

Set Range Attributes

Value: Maya maps this value from the old range (Old Min to Old Max) into the new range (Min to Max).
Min/Max: The minimum and maximum value in the new range.
Old Min, Old Max: The minimum and maximum value in old range.