Man page - nxt-screenshot(1)

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Manual

NXT-SCREENSHOT

NAME
SYNOPSIS
DESCRIPTION
OPTIONS
COMMON OPTIONS
EXAMPLE
SEE ALSO
AUTHOR
COPYRIGHT

NAME

nxt-screenshot - Capture screen utility for the NXT brick

SYNOPSIS

nxt-screenshot [ –backend NAME ] [ –config NAME ] [ –config-filename PATH ] [ –name NAME ] [ –host ADDRESS ] [ –server-host HOST ] [ –server-port PORT ] [ –filename FILENAME ] [ –log-level LEVEL ] FILE

DESCRIPTION

nxt-screenshot takes a capture of a connected NXT brick and write the captured image to a FILE .

The NXT brick can be connected using USB, Bluetooth or over the network.

A wide range of image formats is supported, thanks to the Python Imaging Library.

OPTIONS

FILE

Filename to write captured image to.

--log-level LEVEL

Set the log level. One of DEBUG , INFO , WARNING , ERROR , or CRITICAL . Messages whose level is below the current log level will not be displayed.

COMMON OPTIONS

Those options are common to programs using NXT-Python.
--backend NAME

Enable given backend. Can be used several times to enable several backends. One of usb , bluetooth , socket or devfile .

--config NAME

Name of configuration file section to use.

--config-filename PATH

Path to configuration file. Can be used several times to use several configuration files.

--name NAME

Name of NXT brick (for example: NXT). Useful to find the right brick if several bricks are connected.

--host ADDRESS

Bluetooth address of the NXT brick (for example: 00:16:53:01:02:03).

--server-host HOST

Server address or name to connect to when using socket backend.

--server-port PORT

Server port to connect to when using socket backend.

--filename FILENAME

Device filename (for example: /dev/rfcomm0 ), when using ˜nxt.backend.devfile backend.

See nxt-python.conf(5) documentation for better explanation of the options to find the NXT brick.

EXAMPLE

nxt-screenshot --host 00:16:53:01:02:03 capture.png

Capture screen from connected NXT using its Bluetooth address. Save the result image in capture.png .

SEE ALSO

nxt-python.conf(5)

NXT-Python documentation < https://ni.srht.site/nxt-python/latest/ >

AUTHOR

This program is part of NXT-Python which is currently maintained by Nicolas Schodet.

COPYRIGHT

2021-2025, Nicolas Schodet