tips for misc

• linux
  
  

  Changing code from CR+LF to LF % tr -d "\15" < fin > fout For "output.log", the followings should be used. % mv output.log output.log.bak % tr -d \\r < output.log.bak > output.log

  keeping command log in a file. % script logfile "exit" or Ctrl+D for quit.

• irac

    
  1.Obtain the rotation axis on top and bottom.
    X0 at layer 0, X1 at layer 1311.
  2.calculate the ratio and base line.
    X0 = base
    (X1-X0)/1311 = step
  3.Copy files for safety.
    mkdir tmp
    cp q*.img tmp/
    cp dark.img tmp/
    cp output.log tmp/
  4.rotate images
    cd tmp
    hp_irac.BLI base step 0 dark.img
    ls q*.img | hp_irac.BLI base step 1
  5.check them
  
  

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