How to use Boolean operations in ArcGIS, And, Or, Not, Xor. Lecture No.4. - PAK GISRS

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Wednesday, March 10, 2021

How to use Boolean operations in ArcGIS, And, Or, Not, Xor. Lecture No.4.




Boolean logic generally applies a binary condition to the inputs and evaluates to a binary condition for the output. The binary condition can be expressed in several ways: "1" and "0", "True" and "False", "yes" and "no", "on" and "off", and so forth. In the Logical Math tools, the False condition is represented with a value of 0, and the True condition as any value other than 0.

The Boolean tools evaluate the inputs only as True or False conditions and return the result of the particular tool as a 1 or 0 (True or False) Boolean value. The Combinatorial tools identify unique combinations of input values based on the logic of the particular tool and return a different value for each unique combination. The Relational tools compare the values of one input relative to another and return the result of the particular tool as 1 or 0 Boolean value. The Logical tools have different ways to apply Boolean logic, such as identifying only the input cells that are NoData, or using a logical expression that you define to determine which cells are evaluated as true.

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