1. create glparameter file with glups
   
   glups -p glparameters snap/*

2. parametre for gmov2mov : the observer is fixed

../bin/gtrk2nbd glparameters --eye='right' -o glparameters_right.nbd ../bin/gtrk2nbd glparameters --eye='left' -o glparameters_left.nbd

3) film : surface density

rm -rf fits fits1 ; ./gmkgmov.py -p filmparam.py -d snap snap/*.dat mv fits fits1

3) film : arrows

rm -rf fits fits2 ; ./gmkgmov.py -p filmparam-arrows.py -d snap snap/*.dat mv fits fits2

4) super impose

./gfits2png.py --dir png_right --params=fitsparam.py --comp1="fits1/*0000-all-*.fits" --comp2="fits2/*0000-all-*.fits" --comp3="fits2/*0000-all-*.fits" --comp4="fits2/*0000-all-*.fits" --comp5="fits2/*0000-all-*.fits" --comp6="fits2/*0000-all-*.fits" ./gfits2png.py --dir png_left --params=fitsparam.py --comp1="fits1/*0001-all-*.fits" --comp2="fits2/*0001-all-*.fits" --comp3="fits2/*0001-all-*.fits" --comp4="fits2/*0001-all-*.fits" --comp5="fits2/*0001-all-*.fits" --comp6="fits2/*0001-all-*.fits"

mprocimgs -p p.py -d png_right,png_left -o png_g

gmov2mov --dir png_g --only_film -o film.avi