# uniqueid¶

uniqueid

Unique whole value for each Boolean TRUE cell

Result = uniqueid(expression)

expression
spatial, non spatial boolean
Result
spatial scalar

## Operation¶

For each cell that has a value 1 (TRUE) on expression assigns a unique whole positive value to Result, starting with 1. Cells that have a value 0 (FALSE) on expression are assigned a value 0.

## Notes¶

A cell with a missing value on expression is assigned a missing value on Result.

## Group¶

This operation belongs to the group of Coordinates, unique ID’s

## Examples¶

1. • pcrcalc
binding
Result = Result.map;
Expr = Expr.map;
initial
report Result = uniqueid(Expr);

• python