#!/bin/bash

if [ "$3" == "" ]; then
  echo 'use: getstack.sh <minus> <plus> <step> [name]'
  exit 1
fi

minus=$1
plus=$2
step=$3

snapname=`date +%y%m%d%H%M`

if [ "$4" ]; then snapname="$4-$snapname"; fi
snapext=".jpg"


SERVER=3Dprinter
PORT=8080

SLEEPSHORT=0.8
SLEEPLONG=1
FSPEED=3000

SIM=0

function xsleep
{
  if [ "$SIM" == "0" ]; then
    sleep $1
  fi
}

function snapshot
{
  xsleep $SLEEPSHORT
  name="$snapname-$1`printf "%06.2f" "$2"`$snapext"
#  echo "SNAP:$name"
  curl -s "http://$SERVER:$PORT/?action=snapshot" > $name
  identify "$name"
}


snapshot '0' 0

for z in `seq 1 $plus`; do
  8jog -$step
  snapshot '-' `echo "$z * $step"|bc`
done
for z in `seq 1 $plus`; do
  8jog $step
done
xsleep $SLEEPLONG
for z in `seq 1 $minus`; do
  8jog $step
  snapshot '+' `echo "$z * $step"|bc`
done
for z in `seq 1 $minus`; do
  8jog -$step
done

align_image_stack -a st_ -m -v $snapname*.jpg
enfuse -o "$snapname-FocusStacked.jpg" --contrast-weight=1.00 --exposure-weight=0.00 --saturation-weight=0.00 --contrast-window-size=5 --hard-mask --gray-projector=luminance st*.tif
rm -vf st*.tif