window4total

window4total

Sum the values of the four surrounding cells.

Result = window4total(expression)
expression
scalar, spatial
Result
scalar, spatial

Operation

For each cell sums the values of the four cells which lie above, below, left and right of the cell and assigns the sum to the cell.

Notes

If there is no cell or a cell with a missing value in any of the directions it is taken as a zero.

Examples

  1. • pcrcalc
    binding
    Result1 = Result1.map;
    Expr1 = Expr1.map;
    initial
    report Result1 = window4total(Expr1);

    • python
    Expr1 = readmap(“Expr1.map”)
    Result1 = window4total(Expr1)
    Result1.map Expr1.map
    _images/window4total_Result1.png _images/max_Expr1.png

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