Module Grid Normalisation
Normalise the values of a grid. Rescales all grid values to fall in the range 'Minimum' to 'Maximum', usually 0 to 1. 
- Author: O.Conrad (c) 2003
 
- Specification: grid
 
- Menu: Grid|Calculus
 
Parameters
|   | Name | Type | Identifier | Description | Constraints | 
| Input | Grid | Grid (input) | INPUT | - | - | 
| Output | Normalised Grid | Grid (output) | OUTPUT | - | - | 
| Options | Target Range | Value range | RANGE | - | - | 
Command-line
Usage: saga_cmd grid_calculus 0 [-INPUT <str>] [-OUTPUT <str>] [-RANGE_MIN <str>] [-RANGE_MAX <str>]
  -INPUT:<str>    	Grid
	Grid (input)
  -OUTPUT:<str>   	Normalised Grid
	Grid (output)
  -RANGE_MIN:<str>	Target Range
	Value range
  -RANGE_MAX:<str>	Target Range
	Value range