LMKFILES

Description

This directory stores landmark files, or "lmkfiles" created by lithos.

Each landmark file contains all the pertinent information about that landmark:

name

resolution

half-size

body-fixed central radial vector

local orthogonal coordinate basis

pixel/line location for each image it occurs in.

Horizon is no longer used

By default, landmark files have the same name as their complimentary maplet files located in the MAPFILES directory. Maplets contain all of the topographical information, while landmark files contain all the corresponding position and pointing information.

Here is a sample of a landmark file:

EE0425 T NAME, HFLAG (lithos internal parameter) 49 0.0000100 SIZE, SCALE(KM) -1 -1 -1 -1 HORIZON 0.5000000000D-05 0.0000000000D+00 SIGKM, RMSLMK -0.2626299087D-01 0.2627170561D+00 -0.3160095548D-01 VLM 0.6293765735D-02 -0.1377471387D+00 -0.9904474616D+00 UX -0.9982943535D+00 -0.5835403129D-01 0.1771996613D-02 UY -0.5804068595D-01 0.9887469411D+00 -0.1378794611D+00 UZ 0.4293590936D-03 0.5209407279D-03 0.4297898945D-03 SIGMA_LMKPICTURESP3T11L2H0201 466.27 128.14P3T11L2H0202 466.26 128.14P3T11L2H0203 294.45 152.24P3T11L2H0204 294.46 152.27P3T11L2H0205 556.00 171.85P3T11L2H0206 556.00 171.85P3T11L2H0207 244.02 407.90P3T11L2H0208 244.02 407.87P3T11L2H0209 154.69 616.37P3T11L2H0210 154.68 616.35P3T11L2H0211 136.93 706.14P3T11L2H0212 136.93 706.13P3T11L2H0213 221.55 727.08P3T11L2H0214 221.56 727.08P3T11L2H0215 638.11 224.34P3T11L2H0216 638.11 224.34MAP OVERLAPSEE0397 66.076 0.078 -0.250EE0424 0.111 66.211 1.230EE0426 -0.585 -66.961 -0.113EE0453 -66.664 -0.151 -0.128LIMB FITSEND FILE

MAP OVERLAP coordinate system (x, y, z) is in units of landmark GSD.

Figure 00: Landmark File Information Illustration

(Compiled by TC)

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