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get_lookup_table_value [2016/05/07 17:38]
hermann [Outputs] 		get_lookup_table_value [2026/08/28 03:20] (current)
hermann Sync from local documentation review
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-====== Get Lookup Table Value ====== ​+====== Get Lookup Table Value ======
  
 ===== Description ===== ===== Description =====
  
-This functor retrieves ​a value from a lookup table at a specified key.+Retrieves the value corresponding to a specified key from a lookup table.
  
 ===== Inputs ===== ===== Inputs =====
  
-^ Name ^ Type ^ Description ^ +^ Name  ^ Type  ^ Description ​ ^ 
-| Lookup table  | [[Lookup ​table Type]] ​ | Any lookup ​table. ​ | +| Table  | [[Lookup ​Table Type]] ​ | Lookup ​table to search.  | 
-| Key  | [[Real Value Type]] ​ | Row key.  |+| Key  | [[Real Value Type]] ​ | Key to search for in Table.  |
  
 ===== Optional Inputs ===== ===== Optional Inputs =====
  
-^ Name ^ Type ^ Description ^ Default Value ^ +^ Name  ^ Type  ^ Description ​ ^ Default Value  ^ 
-| Value If Not Found  | [[Real Value Type]] ​ | Value returned in case the key is not found. ​ | None  |+| Value If Not Found  | [[Real Value Type]] ​ | Value returned ​if Key is not present ​in Table. If not provided, an error is reported when the key is not found. This is an advanced port.  | .none  |
  
 ===== Outputs ===== ===== Outputs =====
  
 ^ Name  ^ Type  ^ Description ​ ^ ^ Name  ^ Type  ^ Description ​ ^
-| Value  | [[Real Value Type]] ​ | The value corresponding to the given key.  |+| Value  | [[Real Value Type]] ​ | Value corresponding to the given key.  |
  
 ===== Group ===== ===== Group =====
  
-[[Functor List#Table | Table]]+[[Functor List#Lookup ​Table | Lookup ​Table]]
  
 ===== Notes ===== ===== Notes =====
  
-===== Internal Name ===== +If Key is not found in Table and Value If Not Found is not provided, this functor reports an error, interrupting the model'​s execution. 
 + 
 +To find an approximate match, or to interpolate between neighboring keys, instead use a [[Calculate Value]], [[Calculate Map]], [[Calculate Categorical Map]], or [[Calculate Lookup Table]] with one of the Lookup Table Operators described in the Image Expression Type documentation. 
 + 
 +===== Internal Name =====
  
 GetLookupTableValue GetLookupTableValue