colour zone file (*.zon)

A zone file is an ASCII file that maps a colour palette to the Z values of a grid or colour symbols. Using the Colour Toolyou can save a customised zone file, or load a previously created zone file. A zone file can also be saved as an Aggregate Image file (*.AGG), Index Transform file (*.ITR), Colour Table (*.TBL), or an ER Mapper Colour Lookup Table.

An example of a Zone (*.ZON) file is displayed below: