ALOS_PRE_PROCESS_SS(1)

✨ NAME ✨

Okay bestie, meet ALOS_pre_process_SS πŸŽ€ It's a section 1 User Commands tool, and the NAME section is literally just ALOS_pre_process_SS - ALOS_pre_process_SS πŸ’… iykyk, it's the whole intro.

πŸ¦‹ SYNOPSIS πŸ¦‹

ALOS_pre_process_SS imagefile LEDfile [-near near_range] [-radius RE]
[-swath swath#] [-burst_skip] [-num_burst] [-swap] [-V] [-debug]
[-quiet]

🌸 DESCRIPTION 🌸

This program is part of GMTSAR 🌈 so it's in the family.

Its main job: it creates data.raw and writes out parameters (PRM format) to stdout ✨

Here's what it takes in:

  • imagefile β€” an ALOS Level 1.0 complex file (CEOS format) πŸ“Έ
  • LEDfile β€” an ALOS Level 1.0 LED file (CEOS leaderfile format) πŸ“„

πŸ’… options:

  • -near near_range β€” set the near range in meters (m) πŸ“
  • -radius RE β€” set the local earth radius in meters (m) 🌍
  • -swath swath# β€” pick swath number 1-5, default is 4 🎯
  • -burst_skip β€” how many bursts to skip before output starts (1559 lines/burst) ⏭️
  • -num_burst β€” how many bursts to process, default is all of them πŸ”’
there are 72 bursts in a WB1 frame πŸ“
  • -swap β€” do the byte-swap (it should happen automatically) πŸ”„
  • -fd1 [DOPP] β€” sets the doppler centroid [fd1] to DOPP πŸŒ€
  • -V β€” verbose mode, which writes information πŸ“£
  • -debug β€” writes even more information than verbose πŸ•΅οΈ
  • -quiet β€” don't write any information at all 🀫

🧚 Example

ALOS_pre_process_SS IMG-HH-ALPSRS049842950-W1.0__D LED-ALPSRS049842950-W1.0__D -near 847916 -radius 6371668.872945 -burst_skip 5 -num_burst 36

πŸ’œ Burst table

burst #    look_angle    #lines_burst
1          20.1          247
2          26.1          356
3          30.6          274
4          34.1          355
5          36.5          327

πŸ™ˆ Usage

Usage: ALOS_pre_process_SS imagefile LEDfile [-near near_range] [-radius RE]
[-swath swath#] [-burst_skip] [-num_burst] [-swap] [-V] [-debug]
[-quiet]
ngl the rest of this section just repeats the whole DESCRIPTION block word-for-word after the Usage line, so the same options, the same example, and the same burst table all show up again. Nothing new hiding back there πŸ’€

Source: ALOS_pre_process_SS Β· dated May 2024. Bye bestie, go slay πŸ’–πŸ¦‹βœ¨

πŸ“¦ where this page comes from