| 0 |
Latitude/longitude grid or equidistant cylindrical, or Plate Carrée |
| 1 |
Mercator |
| 2 |
Gnomonic |
| 3 |
Lambert conformal, secant or tangent, conic or bi-polar (normal or oblique) |
| 4 |
Gaussian latitude/longitude grid |
| 5 |
Polar stereographic |
| 6 |
Universal Transverse Mercator (UTM) |
| 7 |
Simple polyconic |
| 8 |
Albers equal-area, secant or tangent, conic or bi-polar |
| 9 |
Miller's cylindrical projection |
| 10 |
Rotated latitude/longitude |
| 13 |
Oblique Lambert conformal, secant or tangent, conic or bi-polar |
| 14 |
Rotated gaussian latitude/longitude |
| 20 |
Stretched latitude/longitude |
| 24 |
Stretched gaussian latitude/longitude |
| 30 |
Stretched and rotated latitude/longitude |
| 34 |
Stretched and rotated gaussian latitude/longitude |
| 50 |
Spherical harmonic coefficients |
| 60 |
Rotated spherical harmonics coefficients |
| 70 |
Stretched spherical harmonics coefficients |
| 80 |
Stretched and rotated spherical harmonics coefficient |
| 90 |
Space view perspective or orthographic |