esper - Man Page

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

"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.

--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.

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.

X(1), xscreensaver(1)

Copyright © 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.

Jamie Zawinski.