#!/bin/sh
# usage: vc2sched infile
# infile is vclist generated by sched2vc
# outfile is sampling schedule 2d.sched;
# point (m-1,n-1) in vclist is (m,n) in sampling schedule;
# script ignores comment line and last point of (0,0).
#
awk 'BEGIN{print "1 1"; linenum=1;firstnum=0;} 
(($0 !~/#/) && (linenum%2==1)){firstnum=$1;}
(($0 !~/#/) && ((firstnum!=0)||($1!=0)) && (linenum%2==0)){printf("%d %d\n", firstnum+1,$1+1);}
($0 !~/#/){linenum++;}' $1 > 2d.sched