Tool Rotated to Regular Grid
This tool projects grids using rotated-pole coordinates to regular geographic grids.
Rotated-pole coordinates are used by the CORDEX project. 
CORDEX Domains
| CORDEX Area | Name | Resolution | N-Pole/Lon. | N-Pole/Lat. | 
| South America    | SAM-44 | 0.44 |   -56.06 |  70.60 | 
| Central America  | CAM-44 | 0.44 |   113.98 |  75.74 | 
| North America    | NAM-44 | 0.44 |    83.00 |  42.50 | 
| Europe           | EUR-44 | 0.44 |  -162.00 |  39.25 | 
| Africa           | AFR-44 | 0.44 |      N/A |  90.00 | 
| South Asia       | WAS-44 | 0.44 |  -123.34 |  79.95 | 
| East Asia        | EAS-44 | 0.44 |   -64.78 |  77.61 | 
| Central Asia     | CAS-44 | 0.44 |  -103.39 |  43.48 | 
| Australasia      | AUS-44 | 0.44 |   141.38 |  60.31 | 
| Antarctica       | ANT-44 | 0.44 |  -166.92 |   6.08 | 
| Arctic           | ARC-44 | 0.44 |     0.00 |   6.55 | 
| Mediterranean    | MED-44 | 0.44 |   198.00 |  39.25 | 
| M-East, N-Africa | MNA-44 | 0.44 |      N/A |  90.00 | 
| M-East, N-Africa | MNA-22 | 0.22 |      N/A |  90.00 | 
| Europe           | EUR-11 | 0.11 |  -162.00 |  39.25 | 
| South East Asia  | SEA-22 | 0.22 |      N/A |  90.00 | 
References
- Author: O.Conrad (c) 2021
 
- Menu: Projection|Tools
 
Parameters
|   | Name | Type | Identifier | Description | Constraints | 
| Input | Grids | grid list, input | SOURCE | - | - | 
 | Target System (*) | grid, input, optional, CMD | TARGET_TEMPLATE | use this grid's system for output grids | - | 
| Output | Grids | grid list, output | TARGET | - | - | 
 | Extent (*) | shapes, output, optional | EXTENT | - | - | 
| Options | Grid System | grid system | PARAMETERS_GRID_SYSTEM | - | - | 
 | Longitude | floating point number | ROT_POLE_LON | - | Default: -162.000000 | 
 | Latitude | floating point number | ROT_POLE_LAT | - | Default: 39.250000 | 
 | Target Grid System | choice | TARGET_DEFINITION | - | Available Choices: [0] user defined [1] grid or grid system Default: 0 | 
 | Cellsize | floating point number | TARGET_USER_SIZE | - | Minimum: 0.000000 Default: 1.000000 | 
 | West | floating point number | TARGET_USER_XMIN | - | Default: 0.000000 | 
 | East | floating point number | TARGET_USER_XMAX | - | Default: 100.000000 | 
 | South | floating point number | TARGET_USER_YMIN | - | Default: 0.000000 | 
 | North | floating point number | TARGET_USER_YMAX | - | Default: 100.000000 | 
 | Columns | integer number | TARGET_USER_COLS | Number of cells in East-West direction. | Minimum: 1 Default: 101 | 
 | Rows | integer number | TARGET_USER_ROWS | Number of cells in North-South direction. | Minimum: 1 Default: 101 | 
 | Fit | choice | TARGET_USER_FITS | - | Available Choices: [0] nodes [1] cells Default: 0 | 
 | Grid System | grid system | TARGET_SYSTEM | - | - | 
| (*) optional | 
Command-line
Usage: saga_cmd pj_proj4 18 [-SOURCE <str>] [-TARGET <str>] [-EXTENT <str>] [-ROT_POLE_LON <double>] [-ROT_POLE_LAT <double>] [-TARGET_DEFINITION <str>] [-TARGET_USER_SIZE <double>] [-TARGET_USER_XMIN <double>] [-TARGET_USER_XMAX <double>] [-TARGET_USER_YMIN <double>] [-TARGET_USER_YMAX <double>] [-TARGET_USER_COLS <num>] [-TARGET_USER_ROWS <num>] [-TARGET_USER_FITS <str>] [-TARGET_TEMPLATE <str>]
  -SOURCE:<str>             	Grids
	grid list, input
  -TARGET:<str>             	Grids
	grid list, output
  -EXTENT:<str>             	Extent
	shapes, output, optional
  -ROT_POLE_LON:<double>    	Longitude
	floating point number
	Default: -162.000000
  -ROT_POLE_LAT:<double>    	Latitude
	floating point number
	Default: 39.250000
  -TARGET_DEFINITION:<str>  	Target Grid System
	choice
	Available Choices:
	[0] user defined
	[1] grid or grid system
	Default: 0
  -TARGET_USER_SIZE:<double>	Cellsize
	floating point number
	Minimum: 0.000000
	Default: 1.000000
  -TARGET_USER_XMIN:<double>	West
	floating point number
	Default: 0.000000
  -TARGET_USER_XMAX:<double>	East
	floating point number
	Default: 100.000000
  -TARGET_USER_YMIN:<double>	South
	floating point number
	Default: 0.000000
  -TARGET_USER_YMAX:<double>	North
	floating point number
	Default: 100.000000
  -TARGET_USER_COLS:<num>   	Columns
	integer number
	Minimum: 1
	Default: 101
  -TARGET_USER_ROWS:<num>   	Rows
	integer number
	Minimum: 1
	Default: 101
  -TARGET_USER_FITS:<str>   	Fit
	choice
	Available Choices:
	[0] nodes
	[1] cells
	Default: 0
  -TARGET_TEMPLATE:<str>    	Target System
	grid, input, optional, CMD