9 s=`"${0%-soft.sh}" "$i" "$o" "$f"`
12 # we want to map so that:
16 realscale=`echo "$s" | grep ^Scale: | cut -d ' ' -f 2`
17 realmedian=`echo "$s" | grep ^Scaled-Med: | cut -d ' ' -f 2`
19 # we have to undo realscale, and apply sca instead
20 extrascale=`echo "$sca / $realscale" | bc -l`
22 # we want to make $realmedian + $ofs neutral
24 extraoffset=`echo "127.5 - 127.5 * ($realmedian + $ofs)" | bc -l`
26 echo "dpoffsetmapping - $extrascale $extraoffset"