✎ calc_areas [Dinamica EGO]

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====== Calc Areas ====== 

===== Description =====

This functor calculates the area of each source feature.

===== Inputs =====

^ Name  ^ Type  ^ Description  ^
| Categorical Map  | [[Categorical Map Type|Categorical Map]]  | Map containing classes or categories.  |

===== Output =====

^ Name  ^ Type  ^ Description  ^
| Areas In Cells  | [[Lookup Table Type|Lookup Table]]  | Area of each map category in cells.  |
| Areas In Hectares  | [[Lookup Table Type|Lookup Table]]  | Area of each map category in hectares.  |
| Areas In Square Meters  | [[Lookup Table Type|Lookup Table]]  | Area of each map category in square meters.  |

===== Group =====

[[Functor List#Map Algebra|Map Algebra]]

===== Notes =====

Only the areas corresponding to class or categories defined in the input map header are calculated.

If the cell dimensions are represented using degrees, the areas in hectares and square meters becomes an approximation. All cells are always supposed to be of the same size.

===== Internal Name =====

CalcAreas