====== Get Map Value ====== 

===== Description =====

This functor retrieves a map value at specified line and column coordinates.

===== Inputs =====

^ Name ^ Type ^ Description ^
| Map  | [[Map Type]]  | Any input map.  |
| Cell Line  | [[Positive Integer Value Type]]  | Number of the line. If the number retrieved extrapolates the map dimension an error will be reported.  |
| Cell Column  | [[Positive Integer Value Type]]  | Number of the column. If the number retrieved extrapolates the map dimension an error will be reported.  |

===== Optional Inputs =====

^ Name ^ Type ^ Description ^ Default Value ^
| Value If Null  | [[Real Value Type]]  | Value returned in case a null value is found.  | 0.0  |

===== Outputs =====

^ Name ^ Type ^ Description ^
| Cell Value  | [[Real Value Type]]  | Extracted value.  |

===== Group =====

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

===== Notes =====

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

GetMapValue