Rotated to Regular Grid
- Author: O.Conrad (c) 2021
- Menu: Projection | Tools
Description
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
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 | - | - |
Command Line
Usage: saga_cmd pj_proj4 18 [-SOURCE ] [-TARGET ] [-EXTENT ] [-ROT_POLE_LON ] [-ROT_POLE_LAT ] [-TARGET_DEFINITION ] [-TARGET_USER_SIZE ] [-TARGET_USER_XMIN ] [-TARGET_USER_XMAX ] [-TARGET_USER_YMIN ] [-TARGET_USER_YMAX ] [-TARGET_USER_COLS ] [-TARGET_USER_ROWS ] [-TARGET_USER_FITS ] [-TARGET_TEMPLATE ]
-SOURCE: Grids
grid list, input
-TARGET: Grids
grid list, output
-EXTENT: Extent
shapes, output, optional
-ROT_POLE_LON: Longitude
floating point number
Default: -162.000000
-ROT_POLE_LAT: Latitude
floating point number
Default: 39.250000
-TARGET_DEFINITION: Target Grid System
choice
Available Choices:
[0] user defined
[1] grid or grid system
Default: 0
-TARGET_USER_SIZE: Cellsize
floating point number
Minimum: 0.000000
Default: 1.000000
-TARGET_USER_XMIN: West
floating point number
Default: 0.000000
-TARGET_USER_XMAX: East
floating point number
Default: 100.000000
-TARGET_USER_YMIN: South
floating point number
Default: 0.000000
-TARGET_USER_YMAX: North
floating point number
Default: 100.000000
-TARGET_USER_COLS: Columns
integer number
Minimum: 1
Default: 101
-TARGET_USER_ROWS: Rows
integer number
Minimum: 1
Default: 101
-TARGET_USER_FITS: Fit
choice
Available Choices:
[0] nodes
[1] cells
Default: 0
-TARGET_TEMPLATE: Target System
grid, input, optional, CMD