mask
Composes a function that applies a mask to this function's field result. Where the selection is true, values from this function's field result are preserved. Where the selection is false, the field has no data.
The function result has no data where this function's field result or the selection has no data.
The function result extent is the intersection of this function's field result and the selection.
The spatial reference of this function's field result and the selection must be equivalent.
Return
A function that applies a mask to this function's field result.
Since
300.0.0
Parameters
selection
A selection.