Counting Site Areas (Impermeable Surface). By now you might be able to figure out how I’m going to do this one. I need a polygon for the site area and I need areas for the buildings and impermeable surfaces. You Can name objects, as I did in the Introduction to Worksheets. That works OK when you have one or two objects, but when the projects get more complex, than method does not work.
The answer is to use the classes for the areas you want to count. So, you would set up a class for the site, a class for the building areas, and a class for the impermeable. That way you can have several areas on the same class.
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