WCPS-Manual / unaryArithmeticExpr

The unaryArithmeticExpr element specifies a unary induced arithmetic operation.

Let

C_{1} be a coverageExpr

where

Then,

for any coverageExpr
C_{2}

where C_{2} is one of

The server **shall** respond with an exception if one of the coverage's grid cell
values or its null values is negative.

The following coverage expression evaluates to a float-type coverage where each cell value contains the square root of the sum of the corresponding source coverages' values.

sqrt( C + D )