fgpanel - FlightGear Flight Simulator Panel Rendering Engine

fgpanel  is a free, open-source, multi-platform, and lightweight panel rendering engine to draw 2D panels
       on a low-cost computer/graphic card without 3D acceleration at reasonable frame rates.

       fgpanel - FlightGear Flight Simulator Panel Rendering Engine

--panel=file
              Display the panel description file file.

       --fg-root=path
              Set the FlightGear data root directory ($FG_ROOT) to path.

       --prop:name=value
              Set the property named name to value.

fgfs(1), the FlightGear wiki "FGPanel" page

FlightGear                                         2017-02-26                                         FGPANEL(1)

fgpanel--panel=file [--fg-root=path] [--prop:name=value]