Output Grid

6

0

3

3

6

9

0

12

12

6

9

3

3

6

Figure 11: A local function multiplies each cell in the input grid by 3 to produce the output grid

Local functions can also be applied to multiple layers represented by multiple grids of the same geographic area (Fig. 12).

Input Grid

Mu

tiplier Grid

1

1

2

2

1

2

2

2

2

2

3

3

2

3

3

4

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