|
Relation of rows and gridcells:
Example for 2.5 ° grids
144 * 72 = 10368 gridcells, row #1(+header) to #10368(+header)
|
row
|
gridcell
|
centre coordinates
|
|
#1 + header
|
1
|
-178,75°W / +88,75°N
|
|
#144 + header
|
144
|
+178,75°E / +88,75°N
|
|
#10225 + header
|
10225
|
-178,75°W / -88,75°S
|
|
#10368 + header
|
10368
|
+178,75°E / -88,75°S
|
The following table shows the global gridsystem
| -180/+90 (West/North) |
+180/+90 (East/North) |
| 1 |
2 |
3 |
4 |
... |
144 |
| 145 |
146 |
147 |
148 |
... |
288 |
| : |
: |
: |
: |
: |
: |
| 10225 |
10226 |
10227 |
10228 |
... |
10368 |
| -180/-90 (West/South) |
+180/-90 (East/South) |
0.25 ° , 0.5 ° , 1.0 ° grids are ordered similar to the system as shown above
=> 1036800, 259200, 64800 gridcells
|
