| 62 | } |
| 63 | |
| 64 | int LatLonToZoneNumber(double lat, double lon) |
| 65 | { |
| 66 | if (56.0 <= lat && lat < 64.0 && 3.0 <= lon && lon < 12.0) |
| 67 | return 32; |
| 68 | |
| 69 | if (72.0 <= lat && lat <= 84.0 and lon >= 0.0) |
| 70 | { |
| 71 | if (lon < 9.0) |
| 72 | return 31; |
| 73 | if (lon < 21.0) |
| 74 | return 33; |
| 75 | if (lon < 33.0) |
| 76 | return 35; |
| 77 | if (lon < 42.0) |
| 78 | return 37; |
| 79 | } |
| 80 | |
| 81 | return static_cast<int>((lon + 180.0) / 6.0) + 1; |
| 82 | } |
| 83 | |
| 84 | char LatitudeToZoneLetter(double lat) |
| 85 | { |