---
name: "projecteur"
section: "1"
platform: "linux"
package: "projecteur"
version: "0.10-4"
release: "Debian 13 (Trixie)"
platforms: ["linux"]
url: "https://new.carta.tech/projecteur"
---

# projecteur(1)

virtual laser pointer for presentations

## NAME

Projecteur - virtual laser pointer for presentations

## SYNOPSIS

**projecteur** \[*OPTION*\]...

## DESCRIPTION

Projecteur provides a virtual laser pointer on the screen for use when giving presentations. The laser pointer can be controlled using a Logitech Spotlight or similar device. Projecteur supports a "laser pointer" like effect that is a colored dot on the screen, a "highlight" effect that dims the image except in the highlighted region, and a "zoom" effect that enlarges part of the display.

Projecteur can be configured with a dialog box activated from the system tray in a supported desktop environment.

## Options

- **-h**, **--help**

  Show command line usage.

- **--help-all**

  Show complete command line usage with all properties.

- **-v**, **--version**

  Print application version.

- **-f**

  Print detailed application version information.

- **--cfg** *FILE*

  Set custom config file.

- **-d**, **--device-scan**

  Print device-scan results.

- **-l**, **--log-level** *LEVEL*

  Set log level, where LEVEL is one of **dbg**, **inf**, **wrn**, **err**

- **-D** *DEVICE*

  Additional accepted device; DEVICE = vendorId:productId e.g., **-D** 04b3:310c; e.g. **-D** 0x0c45:0x8101; This option can be used multiple times and works in connection with the **--device-scan** option.

- **-c** *COMMAND*\|*PROPERTY*

  Send command/property to a running instance. See **Commands** and **Properties** for details. This option can be use multiple times.

- **--disable-uinput**

  Disable uinput support.

- **--show-dialog**

  Show preferences dialog on application start.

- **-m**, **--minimize-only**

  Only allow minimizing the dialog. Useful for desktop environments that do not have a system tray.

## Commands

- spot=\[on\|off\|toggle\]

  Turn spotlight on/off or toggle.

- settings=\[show\|hide\]

  Show/hide preferences dialog.

- preset=NAME

  Set a preset.

- quit

  Quit the running instance.

## Properties

- spot.size=\[Integer\] (5 ... 100)

  - spot.rotation=\[Double\] (0 ... 360)

  - spot.shape=\[Value\] (Circle, Square, Star, Ngon)

  - spot.shape.square.radius=\[Integer\] (0 ... 100)

  - spot.shape.star.points=\[Integer\] (3 ... 100)

  - spot.shape.star.innerradius=\[Integer\] (5 ... 100)

  - spot.shape.ngon.sides=\[Integer\] (3 ... 100)

  - shade=\[Bool\] (false, true)

  - shade.opacity=\[Double\] (0 ... 1)

  - shade.color=\[Color\] (HTML-color; #RRGGBB)

  - dot=\[Bool\] (false, true)

  - dot.size=\[Integer\] (3 ... 100)

  - dot.color=\[Color\] (HTML-color; #RRGGBB)

  - dot.opacity=\[Double\] (0 ... 1)

  - border=\[Bool\] (false, true)

  - border.size=\[Integer\] (0 ... 100)

  - border.color=\[Color\] (HTML-color; #RRGGBB)

  - border.opacity=\[Double\] (0 ... 1)

  - zoom=\[Bool\] (false, true)

  - zoom.factor=\[Double\] (1.5 ... 20)