# History file 'p1-born.h' computes the 2D Born approximation.
# ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# History file 'p1-born.h' requires MRAM at least 65000000.

# Input files required
  chk.pl: "data/p1i/" "p1-born.dat"
  chk.pl: "data/p1i/" "p1-src.dat"
  chk.pl: "data/p1i/" "p1-recb.dat"
# output of 'p1-grid.h'
  chk.pl: ""          "p1-vpper.out"
  chk.pl: ""          "p1-vsper.out"
  chk.pl: ""          "p1-rhper.out"
# output of 'p1-mtt.h'
  chk.pl: ""          "p1-num-u.out"
  chk.pl: ""          "p1-mtt-u.out"
  chk.pl: ""          "p1-mp1-u.out"
  chk.pl: ""          "p1-mp2-u.out"
  chk.pl: ""          "p1-mp3-u.out"
  chk.pl: ""          "p1-mt22u.out"
  chk.pl: ""          "p1-aur1.out"
  chk.pl: ""          "p1-aui1.out"
  chk.pl: ""          "p1-aur2.out"
  chk.pl: ""          "p1-aui2.out"
  chk.pl: ""          "p1-aur3.out"
  chk.pl: ""          "p1-aui3.out"

# Data for grdborn.for
# Grid dimensions
  N1=2500     N2=1   N3=650
  D1=0.005    D2=0.  D3=0.005

# Perturbations of elastic parameters
  VPPER='p1-vpper.out'
  VSPER='p1-vsper.out'
  RHOPER='p1-rhper.out'

# Number of arrivals of the incident wavefield at each grid point
  NUM='p1-num-u.out'

# Travel times of the incident wavefield
  MTT='p1-mtt-u.out'

# Slowness vectors of the incident wavefield
  MP1='p1-mp1-u.out'  MP2='p1-mp2-u.out'  MP3='p1-mp3-u.out'

# The second spatial derivative of the travel times with respect to the
# second coordinate
  MTTXX='p1-mt22u.out'

# Amplitudes of the incident wavefield
  AUR1='p1-aur1.out'  AUI1='p1-aui1.out'
  AUR2='p1-aur2.out'  AUI2='p1-aui2.out'
  AUR3='p1-aur3.out'  AUI3='p1-aui3.out'

# Receiver name and the Green functions
  BORN='p1-born.dat'

# Other input data
  SRC='p1-src.dat'
  REC='p1-recb.dat'

# Name of the output RF file
  RF='rf-born.out'

# Data common with program ss.for
# Data describing the filtration of the source time function
  FMIN=1.  FLOW=2.  FHIGH=19.  FMAX=20. # (cosine filter)

# Time step and time interval for the Fast Fourier Transform
  DT=0.001  NFFT=16384

# Computation
  grdborn:    # Born approximation