esper(6)                      XScreenSaver manual                     esper(6)

NAME
       esper - Enhance 224 to 176. Go right. Enhance 57 19. Track 45 left.

SYNOPSIS
       esper [--display host:display.screen] [--visual visual] [--window]
       [--root] [--window-id number] [--delay number] [--speed number]
       [--titles] [--fps]

DESCRIPTION
       "Enhance 224 to 176. Pull out track right. Center in pull back. Pull
       back.  Wait a minute. Go right. Stop. Enhance 57 19. Track 45 left.
       Gimme a hardcopy right there."

       The Esper Machine was a voice-controlled forensic device used by LAPD
       in 2019, as documented in the 1982 film, Blade Runner.  It was capable
       of enhancing photographs to an extreme degree, including reconstructing
       different viewpoints within the space from the reflections on various
       objects in the photograph.

OPTIONS
       --visual visual
               Specify which visual to use.  Legal values are the name of a
               visual class, or the id number (decimal or hex) of a specific
               visual.

       --window
               Draw on a newly-created window.  This is the default.

       --root  Draw on the root window.

       --window-id number
               Draw on the specified window.

       --delay number
               Per-frame delay, in microseconds.  Default: 20000 (0.02
               seconds).

       --speed number
               Animation speed.  2.0 means twice as fast, 0.5 means half as
               fast.

       --titles | --no-titles
               Show file names.  Boolean.

       --fps | --no-fps
               Whether to show a frames-per-second display at the top of the
               screen.

ENVIRONMENT
       DISPLAY to get the default host and display number.

       XENVIRONMENT
               to get the name of a resource file that overrides the global
               resources stored in the RESOURCE_MANAGER property.

       XSCREENSAVER_WINDOW
               The window ID to use with --root.

SEE ALSO
       X(1), xscreensaver(1)

COPYRIGHT
       Copyright (C) 2017 by Jamie Zawinski.  Permission to use, copy, modify,
       distribute, and sell this software and its documentation for any
       purpose is hereby granted without fee, provided that the above
       copyright notice appear in all copies and that both that copyright
       notice and this permission notice appear in supporting documentation.
       No representations are made about the suitability of this software for
       any purpose.  It is provided "as is" without express or implied
       warranty.

AUTHOR
       Jamie Zawinski.

X Version 11                  6.08 (10-Oct-2023)                      esper(6)