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Proj:  Projection



Bytes

MAP: 008/22-23; 006/05-06

Input Standards

MAP: Optional. Two-character code. Default:  blank character blank character 

Definition

 
MAP, 006 

If a map specifies a type of projection, enter the two-character code in Proj. If a map does not specify a projection, leave Proj blank.

Codes

 
 
blank character blank character  Project not specified. No projection is specified on the item. Use for most globes.
fill characterfill character  No attempt to code.
 

Azimuthal

aa  Aitoff 
ab  Gnomic 
ac  Lambert's azimuthal equal area 
ad  Orthographic 
ae  Azimuthal equidistant 
af  Stereographic 
ag  General vertical near-sided 
am  Modified stereographic for Alaska 
an  Chamberlin trimetric 
ap  Polar stereographic 
au  Azimuthal, specific type unknown. Only the projection type (azimuthal) is known, not the specific projection.
az  Azimuthal, other. None of the other codes for azimuthal projections is appropriate.
 

Cylindrical

ba  Gall 
bb  Goode's homolographic 
bc  Lambert's cylindrical equal area 
bd  Mercator 
be  Miller 
bf  Mollweide 
bg  Sinusoidal 
bh  Transverse Mercator 
bi  Gauss-Kruger 
bj  Equirectangular 
bk  Krovak 
bl  Cassini-Soldner 
bo  Oblique Mercator 
br  Robinson 
bs  Space oblique Mercator 
bu  Cylindrical, specific type unknown. Only the projection type (cylindrical) is known, not the specific projection.
bz  Cylindrical, other. None of the other codes for cylindrical projections is appropriate.
 

Conic

ca  Alber's equal area 
cb  Bonne 
cc  Lambert's conformal conic 
ce  Equidistant conic 
cp  Polyconic 
cu  Conic, specific type unknown. Only the projection type (conic) is known, not the specific projection.
cz  Conic, other. None of the other codes for conic projections is appropriate.
 

Other projections

da  Armadillo 
db  Butterfly 
dc  Eckert 
dd  Goode's homolosine 
de  Miller's bipolar oblique conformal conic 
df  Van Der Grinten 
dg  Dymaxion 
dh  Cordiform 
dl  Lambert conformal 
zz  Other. None of the other codes is appropriate.

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