#! /bin/tcsh -ef

# script to get the thickness values for the vertices found in a label file.
# inputs:  label file and ascii thickness file
# output:  label file with thickness data
# example usage:  
#  get_label_thickness lh.roi.label lh.thickness.asc lh.roi.thickness.asc

#set echo=1

set labelf=$1
set thickf=$2
set outf=$3

set tmp1=tmp1.$$
set tmp2=tmp2.$$
set tmp3=tmp3.$$

# cut the first two lines from the label file, as these are not vertices
grep -v -e "^`head -n 1 $labelf`" $labelf > $tmp1
grep -v -e "^`head -n 1 $tmp1`" $tmp1 > $tmp2

# now get just the vertices
cat $tmp2 | awk '{print $1}' > $tmp3

# and output the thickness data for each vertex
if ( -e $outf ) rm -f $outf
foreach v (`cat $tmp3`)
  grep -e "^$v" $thickf >> $outf
end

rm -f $tmp1 $tmp2 $tmp3