Exec_threeD

#!/bin/bash

#FILE:  Exec_threeD
#DATE:  23 FEB 2004
#AUTH:  G. E. Deschaines
#DESC:  Execute threeD.exe with specified trajectory output file,
#       missile type code, and rendered image output switch.

function display_usage
{
  echo "usage:  Exec_threeD #### [1|2] [0|1]"
  echo "where:  #### is a TXYZ.OUT file run number of the form"
  echo "        0000 to 9999 inclusive."
  echo "        [1|2] a missile type code: 1=MANPAD, 2=AIM-9"
  echo "        [0|1] rendered image output switch: 0=no, 1=yes"
}

# Set run number.
if [ $# -lt 1 ] || [ $1 -lt 0 ] || [ $1 -gt  9999 ]
then
  display_usage
  exit -1
fi
run=$1

# Set missile type code.
msltyp=1
if [ $# -gt 1 ] && [ $2 -ge 1 ] && [ $2 -le 2 ]
then
  msltyp=$2
else
  display_usage
  exit -1
fi

# Set rendered image output switch.
imgout=0
if [ $# -gt 2 ] && [ $3 -ge 0 ] && [ $3 -le 1 ] 
then
  imgout=$3
else
  display_usage
  exit -1
fi

# Check if threeD executable file exists.
if [ ! -e ./bin/threeD.exe ]
then
  echo "error:  threeD.exe does not exist, but can be created"
  echo "        by running the Make_threeD shell script."
  exit -1
fi

# Check if trajectory output file exists.
file="TXYZ.OUT.${run}"
if [ ! -e ./txyz/$file ]
then
  echo "error:  file ${file} does not exist."
  exit -2
fi

# Create ./Ximg subdirectory is not present.
if [ "${imgout}" == "1" ] && [ ! -d ./Ximg ]
then
  mkdir ./Ximg
fi
   
# Initiate execution of threeD.
./bin/threeD.exe "${run}" "${msltyp}" "${imgout}"

# Terminate this shell script.
exit 0