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map_indexer [2012/10/26 14:32]
admin created 		map_indexer [2026/08/28 03:27] (current)
hermann Sync from local documentation review
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 ===== Description ===== ===== Description =====
  
-This functor index the values of a map using values from another as indices resulting in a lookup table where keys are the values ​from the first map and table values are the values ​from the second map.+Builds ​a lookup table by pairing, cell by cell, the values ​of two maps: the values of one map become the table's keys, and the values ​of the other, at the same coordinates,​ become the corresponding values.
  
 ===== Inputs ===== ===== Inputs =====
  
-^ Name ^ Type ^ Description ^ +^ Name  ^ Type  ^ Description ​ ^ 
-| Key Map  | [[Map Type|Map]]  | The input map with the keys.  | +| Key Map  | [[Map Type]] ​ | Map whose values become ​the keys of the resulting table.  | 
-| Value Map  | [[Map Type|Map]]  | The input map with the values. ​ |+| Value Map  | [[Map Type]] ​ | Map whose values become ​the values ​of the resulting table.  | 
 + 
 +===== Optional Inputs ===== 
 + 
 +None.
  
 ===== Outputs ===== ===== Outputs =====
  
-^ Name ^ Type ^ Description ^ +^ Name  ^ Type  ^ Description ​ ^ 
-| table | [[Lookup Table Type|Lookup Table]]  | The resulting table containing the "Key Map" values as keys and "Value Map" values as values. |+| Key Value Table  ​| [[Lookup Table Type]] ​ | Table pairing each non-null cell value of Key Map with the value found at the same coordinates in Value Map.  |
  
 ===== Group ===== ===== Group =====
  
-[[Functor List#Map Algebra|Map Algebra]]+[[Functor List#Map Algebra | Map Algebra]]
  
 ===== Notes ===== ===== Notes =====
 +
 +A cell whose value in Key Map is null is skipped.
 +
 +The topmost line and leftmost column of a map both have coordinate 1.
  
 ===== Internal Name ===== ===== Internal Name =====