#!/bin/sh
### ====================================================================
### Unix script to generate coordinates of the source and receiver points
### for given configuration parameters, perform two-point ray tracing,
### and convert unformatted output into a simple formatted file.
### It runs programs 'srp', 'crt' and 'crtpts'.
### ====================================================================
if [ $# -eq 0 ]
then
  echo "Purpose:                                                               "
  echo "    To generate coordinates of the source and receiver points for given"
  echo "    configuration parameters, perform two-point ray tracing, and convert"
  echo "    unformatted output into a simple formatted file.                   "
  echo "Usage:                                                                 "
  echo "    srpcrt NAME NUM1                                                   "
  echo "    srpcrt NAME NUM1 NUM2                                              "
  echo "Parameters:                                                            "
  echo "    NAME... prefix of data files (name of the job).                    "
  echo "    NUM1... integer configuration parameter.                           "
  echo "    NUM2... optional second configuration parameter.                   "
  echo "Executable programs required:                                          "
  echo "    srp, crt, crtpts                                                   "
  echo "Input files:                                                           "
  echo "    NAMEsrp.dat... input file for the 'srp' program to generate source "
  echo "            and receiver files for given configuration parameters.     "
  echo "            The receiver file must be named NAME-rec.out.  Source and  "
  echo "            receiver names will be prefixed with NUM1-.                "
  echo "    NAMEcrt.dat... input file for the 'crt' program.                   "
  echo "Output files:                                                          "
  echo "    NAMENUM1NUM2.out... file containing travel times, slowness         "
  echo "            vectors and amplitudes (in R.C.C.S.) at the receivers.     "
  echo "    NAMEscr.out... collected screen output of programs 'srp',          "
  echo "            'crt', and 'crtpts' (written in an append mode).           "
  exit
fi
### ....................................................................
### Source and receiver points for given configuration parameters:
### --------------------------------------------------------------
echo "'$1srp.dat' '$2-' $2 $3 /"|srp >>$1scr.out 2>>$1scr.out
###
### Ray tracing:
### ------------
echo "'$1crt.dat' /"|crt >>$1scr.out 2>>$1scr.out
### The above command should be modified if 'scropc.for' were included
### within 'crt.for'.
###
### Results of ray tracing:
### -----------------------
echo "'$1rec.out' 3* '$1$2$3.out' 11 0 1 0 /"|crtpts >>$1scr.out 2>>$1scr.out
###
### Screen output:
### --------------
echo $1$2$3.out
### ====================================================================