guess the root directory from map file

recursive_gmconvert.sh

@@ -57,6 +57,13 @@ bindir=${0:h}
 impdir=~/imp-fast/
 gmconvert=${bindir}/gmconvert/gmconvert
 
+init_dir=$PWD
+map_root_dir=$(dirname $map_name)
+map_name=$(basename $map_name)
+cd $map_root_dir
+
+
+
 mkdir -p converged
 for ((i=$i0 ; i<=N ; i++))
 do
@@ -119,3 +126,4 @@ do
 	gnuplot ${bindir}/plot_fsc.gpl > /dev/null 2>&1
 	rm -f tmp*
 done
+cd $init_dir