#!/bin/sh

if test "$1" != "" ; then
  bin=$1
else
  bin="@prefix@/bin/"
fi

if test "$1" = "clean" ; then
  rm -f sample-phm.png sample-phm16.png sample-phm.if sample-pj.pj sample-pj.if sample-pj.png sample-pj16.png sample-rec.if sample-rec.png sample-rec16.png
  exit
fi

# Generate phantom image

${bin}phm2if sample-phm.if 256 256 --nsample 2 --phantom herman
if [ -f sample-phm.if ] ; then
  ${bin}if2img sample-phm.if sample-phm.png --format png
  ${bin}if2img sample-phm.if sample-phm16.png --format png16
fi

# Simulate CT data collection and generate raysum sinugram for display
${bin}phm2pj  sample-pj.pj 367 320 --nray 2  --phantom herman
if [ -f sample-pj.pj ]; then
  ${bin}pj2if  sample-pj.pj sample-pj.if
fi
if [ -f sample-pj.if ]; then
  ${bin}if2img sample-pj.if sample-pj.png --format png
  ${bin}if2img sample-pj.if sample-pj16.png --format png16
fi

# Reconstruct raysums and generate image for display
${bin}ctrec   sample-pj.pj sample-rec.if 256 256 
if [ -f sample-rec.if ]; then 
  ${bin}if2img sample-rec.if sample-rec.png --format png
  ${bin}if2img sample-rec.if sample-rec16.png --format png16
fi

# Files sample-phm.png, sample-pj.png, and sample-rec.png are ready for display