Null Value Type

A null value denotes the value that should be used to represent the “no data” value in a Map or Categorical Map. This value is related to the cell type used to represent the cells in the map.

GUI Editor

EGO Script

A null value constant can be represented in a EGO Script using the following syntax:

Description	Representation
The default null value. This is the default null value corresponding to the current cell type	.default
A specified null value	Double constant