Geographic Projections

The structure of the succeeding words of the following geographic projections are listed here:

If the type is LAMB, this is the structure of the succeeding words:

Word	Description
2	image line of the North Pole
3	image element of the North Pole
4	standard latitude 1, DDDMMSS
5	standard latitude 2, DDDMMSS
6	spacing at standard latitude, meters
7	normal longitude, DDDMMSS
8	radius of the planet, meters
9	eccentricity of the planet, x1000000
10	coordinate type, ≥ 0 planetodetic, < 0 planetocentric
11	longitude convention, ≥ 0 west positive, < 0 west negative
12-120	reserved
121-128	memo entry; up to 32 characters of comments

If the type is MERC, this is the structure of the succeeding words:

Word	Description
2	image line of the equator
3	image element of the equator
4	standard latitude
5	spacing at standard latitude, meters
6	normal longitude, DDDMMSS
7	radius of the planet, meters
8	eccentricity of the planet, x1000000
9	coordinate type, ≥ 0 planetodetic, < 0 planetocentric
10	longitude convention, ≥ 0 west positive, < 0 west negative
11-120	reserved
121-128	memo entry; up to 32 characters of comments

If the type is 'PS ' (four characters), this is the structure of the succeeding words:

Word	Description
1	PS
2	image line of the North Pole
3	image element of the North Pole
4	standard latitude, DDDMMSS
5	spacing at standard latitude, meters
6	normal longitude, DDDMMSS
7	radius of the planet, meters
8	eccentricity of the planet, x1000000
9	coordinate type, ≥ 0 planetodetic, < 0 planetocentric
10	longitude convention, ≥ 0 west positive, < 0 west negative
11-120	reserved
121-128	memo entry; up to 32 characters of comments

If the type is RADR, this is the structure of the succeeding words:

Word	Description
2	row (image coordinates) of the radar site
3	column (image coordinates) of the radar site
4	latitude of the radar site, DDDMMSS
5	longitude of the radar site, DDDMMSS
6	pixel resolution, meters
7	rotation of north from vertical, degrees x1000
8	if present, same as 6, but only for longitude direction

If the type is RECT, this is the structure of the succeeding words:

Word	Description
2	a particular image row number
3	latitude corresponding to word 2, degrees x10000
4	a particular image column number
5	longitude corresponding to word 4, degrees x10000
6	latitude degrees/image line, degrees x10000
7	longitude degrees/image line, degrees x10000
8	radius of the planet, meters
9	eccentricity of the planet, x1000000
10	coordinate type, ≥ 0 planetodetic, < 0 planetocentric
11	longitude convention, ≥ 0 west positive, < 0 west negative