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PICTLISTX.TXT

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Eric E Palmer edited this page Oct 23, 2026 · 1 revision

PICTLISTX.TXT

Description

This text file exists in order to precompute metadata so that other programs run faster. The precomputing is done via make_pictlistX, and only when run explicitly by the user.

make_pictlistX uses PICTLIST.TXT to create PICTLISTX.TXT.

If it's present, PICTLISTX.TXT is used before PICTLIST.TXT.

When you run lithos, if you are using PICTLISTX.TXT, it will limit images with an emission angle less than 85 degrees.

Here is a sample PICTLISTX.TXT file:

 FC11A0001225    0.93497E+03  0.998 -0.656  0.439 -0.614 -0.569  0.365 -0.737
 FC11A0001241    0.93563E+03  0.998 -0.628  0.520 -0.579 -0.554  0.441 -0.706
 FC11A0001257    0.93631E+03  0.998 -0.589  0.599 -0.542 -0.527  0.518 -0.674
 FC11A0001258    0.93699E+03  0.998 -0.540  0.673 -0.505 -0.490  0.590 -0.642
 FC11A0001259    0.93770E+03  0.998 -0.482  0.741 -0.467 -0.443  0.659 -0.608
 FC11A0001260    0.93845E+03  0.998 -0.412  0.805 -0.428 -0.385  0.725 -0.572
...
END

The data included are:

  • column 1 - Picture name
  • column 2 - Range from spacecraft to body center
  • column 3 - Cosine of half the maximum field of view
  • column 4 - First component of the unit vector from spacecraft to the targets center in BF frame
  • column 5 - Second component of the unit vector from spacecraft to the targets center in BF frame
  • column 6 - Third component of the unit vector from spacecraft to the targets center in BF frame
  • column 7 - First compost of the unit bore sight vector belonging to the camera in BF frame
  • column 8 - Second compost of the unit bore sight vector belonging to the camera in BF frame
  • column 9 - Third compost of the unit bore sight vector belonging to the camera in BF frame

(Compiled by KD)

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