How would I go about setting the default GPLinearUnit parameter's units to the same as an input, or even a default value of 'meters', within a Python toolbox? I assume it happens in update Parameters, but don't know how to approach this issue. Your help will be greatly appreciated ### From what I've been able to figure out, there is no way to choose a default linear unit such as 'meters'; however, the linear unit in the tool dialog will correspond with the active Data Frame's Map Units. I think this only works in ArcMap. At least there is an ArcCatalog Window in ArcMap now Message was edited by: Andrew Fulton
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