| Scale | Minimal mappable area (m2) | Pixel size (m) | Pixel areaa (m2) | pa/mmab (%) |
| 1:25,000 | 25,000 | 30 | 22,500 | 90 |
| 1:50,000 | 100,000 | 60 | 90,000 | 90 |
| 1:75,000 | 225,000 | 90 | 202,500 | 90 |
| 1:100,000 | 400,000 | 120 | 360,000 | 90 |