#! /bin/bash
# Last edited on 2008-02-04 20:32:02 by stolfi

usage="${0##*/} NAME"

# Reads
# 
#    "NAME-s.jpg" the small (1/4 size) version of an image, 
#    "NAME.grmap" the (H,V) <-> (X,Y) projective matrices,
#    "NAME.balls" a file with the centers of bases of light calib. balls,
# 
# Writes an image "NAME-b.jpg" showing the location of each 
# light calibration ball and its label.
#    

if [ $# -ne 1 ]; then echo "usage: ${usage}"; exit 1; fi
name="$1"; shift;

batroot="${STOLFIHOME}/projects/fragments/IAB-2002/raw-sorted"
tools="${STOLFIHOME}/projects/fragments/IAB-2002/tools"

( cd ${batroot}/. )

img="${batroot}/${name}-s.jpg"
if [ ! -r ${img} ]; then
  echo "no image ${img}"; exit 1
fi

balls="${batroot}/${name}.balls"
if [ ! -r ${balls} ]; then
  echo "no lightballs file ${balls}"; exit 1
fi

# map="${batroot}/${name}.grmap"
# if [ ! -r ${map} ]; then
#   echo "no ${map}"; exit 1;
# fi

out="${batroot}/${name}-b.jpg"
bcmds="${batroot}/${name}.bcmds"

# echo "[draw-lightballs]"
${tools}/draw-lightballs \
  -v scale=0.25 \
  < ${balls} > ${bcmds}
if [ ! -e ${bcmds} ]; then echo "file ${bcmds} not created"; exit 1; fi;

# echo "[convert]"
convert \
  -font '-*-courier-medium-r-*-*-10-*-*-*-*-*-iso8859-*' \
  -fill red -draw "@${bcmds}" \
  ${img} ${out}
if [ ! -e ${out} ]; then echo "image ${out} doesnt exist"; exit 1; fi;

# echo "[display]"
# display ${out}
/bin/rm -f ${bcmds}