Users guide
===========

Command line usage::

    $ python esofspy,py --help
    Usage: esofspy.py [options] files file_out

    Options:
      --version             show program's version number and exit
      -h, --help            show this help message and exit
      --surface             surface of histograms = counting + drawing  [default:
                            False]
      --histogram           histograms = counting + drawing  [default: False]
      --histogram-fraction  histograms_fraction = counting + drawing  [default:
                            False]
      --rose-orig           original rose of directions = counting + drawing
                            [default: False]
      --rose-scaled         original rose of directions = couting + drawing the
                            rose of directions scaled by suma of the lengths of
                            the objects in given directions  [default: False]
      --card-orient         cardinal directions = counting + drawing  [default:
                            False]
      --card-vectors        n-max vectors of cardinal directions = counting +
                            drawing [default: False]
      --one-file            add vectors of cardinal directions and/or isotropy
                            parameters on the end of the file [default: False]
      --n-max=int           number of the cardinal directions  [default: 3]
      --threshold=float     threshold fraction of cardinal directions  [default:
                            none]
      -s                    save all drawing pictures and text files with angles
                            of main objects' directions
      --prefix=prefix       prefix of output files  [default: none]
      --format=format       format of ouput files  [default: pdf]
      --skip-rows=int       number of rows to skip in histogram files [default: 0]
      --isotropy            evaluate the isotropy of the system [default: False]
      --calibration=float,float,float
                            calibration of images used for fractional and
                            ellipsoidal anisotropy evaluation [default: 0.180879,
                            0.180879, 6]
      --anisotropy          count fractional and ellipsoidal anisotropy of line
                            system [default: False]