visualize¶

Visualize MCAP files directly with vuer.

Usage¶

vuer visualize --mcap <file> [OPTIONS]

Description¶

Opens an MCAP file and visualizes its contents directly in a vuer session without needing a separate live-server. This is the easiest way to quickly inspect MCAP files.

Arguments¶

Argument

Type

Required

Description

--mcap

string

Yes

Path to MCAP file

Options¶

Option

Type

Default

Description

--speed

float

1.0

Playback speed multiplier

--loop

bool

False

Loop playback continuously

Examples¶

# Basic visualization
vuer visualize --mcap recording.mcap

# 2x speed with looping
vuer visualize --mcap recording.mcap --speed 2.0 --loop

Output¶

The command displays:

  • List of topics with their message types

  • Sample of the first 10 messages with timestamps

  • Total message count

Dependencies¶

pip install 'vuer-ros[full]'

API Reference¶