---
title: Visualize Data
sidebar:
  order: 38
---
This section provides instructions on visualizing data from [PX4](https://docs.px4.io/main/en/dev_log/ulog_file_format.html) logs in Roboto.

Roboto supports the following types of panels for PX4 data:

- **Plot**: Display numerical time-series data on charts.
- **Log**: Display numerical or console log data in a table.
- **Map**: Display geographic data on a map.
- **Raw**: Display raw message data.

## Plot data

Once a log file has been [ingested](/docs/user-guides/working-with-px4-logs/get-started-px4#ingest-px4-section), double-click the file to open it in the Roboto visualizer. On the left-hand side, a list of all available topics and their fields will be displayed. To plot a field, drag it into the workspace. Alternatively, right-click on it and select **View in Plot panel**.

You can plot multiple fields in the same panel. Panels can be resized and moved around as needed.

![Plot ULog data](/docs/blume-assets/content/docs/_static/px4_plot_panel.png)

You can also create events on data using the plot panel. See the [Create Events on Data](/docs/user-guides/create-events-on-data) user guide for more details.

## View console logs

To display PX4 console logs, expand the `console_logs` topic in the topics list. Then, right-click on `message` and select **View in Log panel**.

You can also search for keywords within the console log panel, and toggle regex mode too. Clicking on a row in the panel will synchronize all other panels to the corresponding point in time.

![Console log data panel](/docs/blume-assets/content/docs/_static/px4_log_panel.png)

## View raw messages

To view raw messages, right-click on a field and select **View in Raw panel**. This will display the raw message data in its original form.

![Raw message data panel](/docs/blume-assets/content/docs/_static/px4_raw_panel.png)

## View geographic data on map

To view geographic data on a map, right-click on a suitable latitude or longitude field and select **View in Map panel**. You only need to select one of them, the corresponding coordinates will be automatically found.

:::note
For PX4 logs with `ver_data_format >= 2` these fields are available under the `vehicle_gps_position` topic and called `latitude_deg` and `longitude_deg`.

For PX4 logs with `ver_data_format < 2` these fields are available under the `vehicle_gps_position` topic and called `lat` and `lon`.

If your flight didn't have GPS, the `vehicle_gps_position` topic may not be present.
:::

![Map data panel](/docs/blume-assets/content/docs/_static/px4_map_panel.png)

The red marker shows the closest coordinate to the current time. You can click any other blue markers to synchronize all panels to that time.

## Share a workspace

Roboto enables you to easily share workspaces with others. To do this, click on the Share button in the top right corner of the workspace. This will generate a URL that you can share with others. When they open the link, they will see the same collection of panels that you created.

![Share workspace](/docs/blume-assets/content/docs/_static/px4_share_workspace.png)

## Compare multiple logs

Roboto enables you to compare several logs together in the visualizer.

1. Select multiple logs in a dataset's file browser

![Select multiple files](/docs/blume-assets/content/docs/_static/px4_select_multiple_files.png)

If the logs you want to visualize together are in different datasets, you can add them to a collection first.

2. With the logs selected, click the `Selected` button that appears and then click `Visualize Files`

![Select multiple files](/docs/blume-assets/content/docs/_static/px4_select_multiple_files_popover.png)

3. You will be taken to the visualizer with both logs listed in the left sidebar. Clicking each log reveals its associated topics.
4. You can then visualize data from both files in panels as before.

![Visualize multiple files](/docs/blume-assets/content/docs/_static/px4_compare_multiple_files.png)

5. If your logs have GPS data, you can even compare flight paths by dragging a lat/lon topic from each file onto the Map panel

![Map multiple flights](/docs/blume-assets/content/docs/_static/px4_map_multiple_flights.png)

Clicking the color next to each path in the legend brings up a color picker. You can also switch between map and satellite tiles using the icons on the right of the panel.