Section 3 - Code Table 1 : Grid Definition Template Number

Code Meaning
0 Latitude/longitude Also called equidistant cylindrical, or Plate Carre
1 Rotated latitude/longitude
2 Stretched latitude/longitude
3 Stretched and rotated latitude/longitude
6-9 Reserved
10 Mercator
11-19 Reserved
20 Polar stereographic projection (Can be south or north)
21-29 Reserved
30 Lambert conformal (Can be secant or tangent, conical or bipolar)
31 Albers equal area
32-39 Reserved
40 Gaussian latitude/longitude
41 Rotated Gaussian latitude/longitude
42 Stretched Gaussian latitude/longitude
43 Stretched and rotated Gaussian latitude/longitude
44-49 Reserved
50 Spherical harmonic coefficients
51 Rotated spherical harmonic coefficients
52 Stretched spherical harmonic coefficients
53 Stretched and rotated spherical harmonic coefficients
54-89 Reserved
90 Space view perspective or orthographic.
91-99 Reserved
100 Triangular grid based on an icosahedron
101 General Unstructured Grid - validation
102-109 Reserved
110 Equatorial azimuthal equidistant projection
111-119 Reserved
120 Azimuth-range projection
130 Irregular Latitude/longitude grid -validation
1000 Cross-section grid, with points equally spaced on the horizontal
1001-1099 Reserved
1100 Hovmoeller diagram grid, with points equally spaced on the horizontal
1200 Time section grid
1201-32767 Reserved
32768-65534 Reserved for local use
65535 Missing
5 Variable resolution rotated latitude/longitude
4 Variable resolution latitude/longitude
140 Lambert azimuthal equal area projection