---
name: "fieldlines"
section: "1"
platform: "linux"
package: "rss-glx"
version: "0.9.1-6.4~deb12u1"
release: "Debian 12 (Bookworm)"
platforms: ["linux"]
url: "https://new.carta.tech/fieldlines"
---

# fieldlines(1)

simulation of the electric field lines between charged particles.

## NAME

fieldlines - simulation of the electric field lines between charged particles.

## SYNOPSIS

**fieldlines** \[--root/-r\] \[--maxfps/-x *number*\] \[--vsync/-y *number*\] \[--dpms/-M *number*\] \[--ions/-i *number*\] \[--stepsize/-s *number*\] \[--maxsteps/-m *number*\] \[--width/-w *number*\] \[--speed/-S *number*\] \[--constwidth/-c\] \[--no-constwidth/-C\] \[--electric/-e\] \[--no-electric/-E\]

## DESCRIPTION

From Terry Walsh (*http://reallyslick.com*): "This is a simulation of the electric field lines between charged particles. Physics never looked so good."

Ported to Linux by Tugrul Galatali.

## OPTIONS

- **--root**

  Draw on the root window.

- **--maxfps *number***

  Set maximum frame rate.

- **--vsync *number***

  Limit redraws to specified number of vertical refreshes.  0 - 100.  Default: 1

- **--dpms *number***

  Stop rendering new frames if the display is not on.  0 - 1.  Default: 1

- **--ions *number***

  Number of ions.  1 - 100.  Default: 4

- **--stepsize *number***

  Step length along lines.  1 - 100.  Default: 15

- **--maxsteps *number***

  Max number of steps.  1 - 1000.  Default: 100

- **--width *number***

  Line width.  1 - 100.  Default: 30

- **--speed *number***

  Speed.  1 - 100.  Default: 10

- **--constwidth**

  Constant line width.  Default: False

- **--electric**

  Electric.  Default: False

## ENVIRONMENT

- **DISPLAY**

  to get the default host and display number.

## SEE ALSO

**X**(1),

## COPYRIGHT

Copyright © 2002 by Terry Walsh and Tugrul Galatali.

Fieldlines is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License version 2 as published by the Free Software Foundation.

Fieldlines is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more details.

## AUTHOR

Terry Walsh and Tugrul Galatali \<tugrul@galatali.com\>