Provided by: gfsview_20121130+dfsg-4build1_amd64 

NAME
gfsview: - graphical viewer for Gerris simulation files: version 20121130
SYNOPSIS
gfsview [OPTIONS] FILE1 FILE2 ...
DESCRIPTION
Opens Gerris and/or GfsView files using the appropriate (2D or 3D) version of GfsView. All the files must
have the same dimension (2D or 3D).
OPTIONS
[......]
any valid option of GfsView
[--help]
display this message and exits
gfsview: version 20121130 August 2014 GFSVIEW:(1)