| Index |
Identifier |
Field Type |
Field Length |
Description |
Units |
| 0 |
"map_descriptor" |
String |
1 |
Map projection descriptorone of:UNIVERSAL_TRANSVERSE_MERCATORØØØUNIVERSAL_POLAR_STEREOGRAPHICØØØLAMBERT_CONFORMAL_CONICØØØØØØØØØTRANSVERSE_MERCATORØØØØØØØØØØØØØMERCATORØØØØØØØØØØØØØØØØØØØØØØØØPOLAR_STEREOGRAPHICØØØØØØØØØØØØØ |
ascii |
| 1 |
"samples" |
ULong |
1 |
Number of samples per line |
- |
| 2 |
"lines" |
ULong |
1 |
Number of lines |
- |
| 3 |
"sample_spacing" |
Float |
1 |
Nominal inter-sample distance |
m |
| 4 |
"line_spacing" |
Float |
1 |
Nominal inter-line distance |
m |
| 5 |
"orientation" |
Float |
1 |
Output scene centre orientation |
deg |
| 6 |
"spare_1" |
Spare |
1 |
Spare |
- |
| 7 |
"heading" |
Float |
1 |
Platform heading, degrees |
deg |
| 8 |
"ellipsoid_name" |
String |
1 |
Reference ellipsoid name |
ascii |
| 9 |
"semi_major" |
Float |
1 |
Ellipsoid semi-major axis, metres |
m |
| 10 |
"semi_minor" |
Float |
1 |
Ellipsoid semi-minor axis, metres |
m |
| 11 |
"shift_dx" |
Float |
1 |
Datum shift parameter referenced to Greenwich: dx (metres) |
m |
| 12 |
"shift_dy" |
Float |
1 |
Datum shift parameter perpendicular to Greenwich: dy (metres) |
m |
| 13 |
"shift_dz" |
Float |
1 |
Datum shift parameter direction of the rotation axis: dz (metres) |
m |
| 14 |
"avg_height" |
Float |
1 |
average scene height above ellipsoid used for geocoding |
- |
| 15 |
"spare_2" |
Spare |
1 |
Spare |
- |
| 16 |
"projection_description" |
String |
1 |
Map projection alphanumeric description |
ascii |
| 17 |
"utm_descriptor" |
String |
1 |
UTM descriptorUNIVERSAL_TRANSVERSE_MERCATORØØØ |
ascii |
| 18 |
"utm_zone" |
String |
1 |
UTM zone signature |
ascii |
| 19 |
"utm_origin_easting" |
Float |
1 |
Map origin, false easting |
m |
| 20 |
"utm_origin_northing" |
Float |
1 |
Map origin, false northing |
m |
| 21 |
"utm_center_long" |
SLong |
1 |
Projection centre longitude, deg |
(1e-6) degrees |
| 22 |
"utm_center_lat" |
SLong |
1 |
Projection centre latitude, deg |
(1e-6) degrees |
| 23 |
"utm_para1" |
Float |
1 |
1st standard parallel, deg |
deg |
| 24 |
"utm_para2" |
Float |
1 |
2nd standard parallel, deg |
deg |
| 25 |
"utm_scale" |
Float |
1 |
Scale factor |
- |
| 26 |
"ups_descriptor" |
String |
1 |
UPS descriptor |
ascii |
| 27 |
"ups_center_long" |
SLong |
1 |
Projection centre longitude, deg |
(1e-6) degrees |
| 28 |
"ups_center_lat" |
SLong |
1 |
Projection centre latitude, deg |
(1e-6) degrees |
| 29 |
"ups_scale" |
Float |
1 |
Scale factor |
- |
| 30 |
"nsp_descriptor" |
String |
1 |
NSP descriptor |
ascii |
| 31 |
"origin_easting" |
Float |
1 |
Map origin, false easting |
m |
| 32 |
"origin_northing" |
Float |
1 |
Map origin, false northing |
m |
| 33 |
"center_long" |
SLong |
1 |
Projection centre longitude, deg |
(1e-6) degrees |
| 34 |
"center_lat" |
SLong |
1 |
Projection centre latitude, deg |
(1e-6) degrees |
| 35 |
"standard_parallel_parameters.para1" |
Float |
1 |
Standard parallel1, deg |
deg |
| 36 |
"standard_parallel_parameters.para2" |
Float |
1 |
Standard parallel2, deg |
deg |
| 37 |
"standard_parallel_parameters.para3" |
Float |
1 |
Standard parallel3, deg |
deg |
| 38 |
"standard_parallel_parameters.para4" |
Float |
1 |
Standard parallel4, deg |
deg |
| 39 |
"central_meridian_parameters.central_m1" |
Float |
1 |
Central meridian1, deg |
deg |
| 40 |
"central_meridian_parameters.central_m2" |
Float |
1 |
Central meridian2, deg |
deg |
| 41 |
"central_meridian_parameters.central_m3" |
Float |
1 |
Central meridian3, deg |
deg |
| 42 |
"projection_parameters.spare_3" |
Spare |
1 |
Spare |
- |
| 43 |
"projection_parameters.spare_4" |
Spare |
1 |
Spare |
- |
| 44 |
"projection_parameters.spare_5" |
Spare |
1 |
Spare |
- |
| 45 |
"projection_parameters.spare_6" |
Spare |
1 |
Spare |
- |
| 46 |
"position_northings_eastings.tl_northing" |
Float |
1 |
Top left corner northing, meters; |
m |
| 47 |
"position_northings_eastings.tl_easting" |
Float |
1 |
Top left corner easting, meters; |
m |
| 48 |
"position_northings_eastings.tr_northing" |
Float |
1 |
Top right corner northing, meters; |
m |
| 49 |
"position_northings_eastings.tr_easting" |
Float |
1 |
Top right corner easting, meters; |
m |
| 50 |
"position_northings_eastings.br_northing" |
Float |
1 |
Bottom right corner northing, meters; |
m |
| 51 |
"position_northings_eastings.br_easting" |
Float |
1 |
Bottom right corner easting, meters; |
m |
| 52 |
"position_northings_eastings.bl_northing" |
Float |
1 |
Bottom left corner northing, meters; |
m |
| 53 |
"position_northings_eastings.bl_easting" |
Float |
1 |
Bottom left corner easting, meters; |
m |
| 54 |
"position_lat_long.tl_lat" |
SLong |
1 |
Top left corner latitude |
(1e-6) degrees |
| 55 |
"position_lat_long.tl_long" |
SLong |
1 |
Top left corner longitude |
(1e-6) degrees |
| 56 |
"position_lat_long.tr_lat" |
SLong |
1 |
Top right corner latitude |
(1e-6) degrees |
| 57 |
"position_lat_long.tr_long" |
SLong |
1 |
Top right corner longitude |
(1e-6) degrees |
| 58 |
"position_lat_long.br_lat" |
SLong |
1 |
Bottom right corner latitude |
(1e-6) degrees |
| 59 |
"position_lat_long.br_long" |
SLong |
1 |
Bottom right corner longitude |
(1e-6) degrees |
| 60 |
"position_lat_long.bl_lat" |
SLong |
1 |
Bottom left corner latitude |
(1e-6) degrees |
| 61 |
"position_lat_long.bl_long" |
SLong |
1 |
Bottom left corner longitude |
(1e-6) degrees |
| 62 |
"spare_7" |
Spare |
1 |
Spare |
- |
| 63 |
"image_to_map_coefs" |
Float |
8 |
8 coefficients to convert a line(L) and sample (S) position to the map projection frame of reference, say (E,N)E
= A11 + A12*L + A13 *S + A14 *L*SN = A21 + A22*L + A23 *S + A24 *L*S |
- |
| 64 |
"map_to_image_coefs" |
Float |
8 |
8 coefficients to convert from the map projection (E,N) to line (L) and sample(S) position in the imageL = B11 +
B12*E + B13 *N + B14 *E*NS = B21 + B22*E + B23 *N + B24 *E*N |
- |
| 65 |
"spare_8" |
Spare |
1 |
Spare |
- |
