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nick88
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Date: Monday, 2023.02.27, 14:09 | Message # 1
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The latest version of LRA is available from this post, further up in the thread. Screenshots can be seen here.
Introduction:
LFS Replay Analyser (LRA) is a tool for analysing telemetry files from the Live For Speed racing simulator. It can help you to analyse your driving and your setup, and to compare your own laps with those of others. LRA can display all kinds of telemetry data, in several types of graph.
LRA is open source software, distributed under the GNU GPL.
Three graph types, multiple graphs
You can open multiple graphs, to view several kinds of telemetry data in parallel. There are three types of graph:
Normal graphs plot their data against the car's distance in the lap. These graphs can not only plot the absolute values for each lap, but also the difference with some other lap. This is especially useful when you select "time" as data type: the time difference graph shows where you lose or gain time, compared to other laps.
XY plots allow you to select data types for both the X and the Y dimension. A well-known example of an XY plot is the traction circle, with the lateral G force in the X dimension and the longitudinal G in the Y dimension.
Histograms are the classical bar charts, with the range of data values in the X dimension. The graph also contains an indicator of the average value.
Track map
The track map is the "radar" for the graphs. It shows which section of the lap is displayed in the graphs. A moving cursor reflects the position of the mouse, when it is above one of the graphs. This also works in the other direction: scrolling and zooming of the graphs can be changed by clicking or dragging the mouse inside the track map.
Driving line display
A zoomable top-down map of the track shows the driving line for each loaded lap.
Get hotlaps from LFS World
You can download RAF files from the hotlaps that are on LFS World, to compare them with your own. You can also download the replays; LRA will start up LFS to view them.
Synchronised selection of track section
The graphs, the track map and the driving lines show data for a certain part of the track, which you can select by zooming the graphs. This selection is synchronised: the graphs and panes always show the same part of the track.
Custom "Open file" window
The window presents a list of all your RAF files, and shows the main properties of each file: car, track, laptime, etc. You can also filter the list, so it shows only the files for a specific car and/or track.
Dashboard
The "legend" pane not only shows the names of the laps you opened, it also contains the "dashboard": a set of gauges that show steer, pedals, gear and speed, for the point in the lap that is indicated by the track cursor.
Setup data retrieval
Telemetry files contain several kinds of setup data, such as the settings for springs and dampers, and the gear ratios. LRA reads these settings, and displays them in the Properties pane.
Customisable panes
The various panes - Legend, Track map, Driving line, and Properties - can be resized. You can also move them to another position inside the main window, by dragging its caption. You can even "float" them, i.e. detach them and place them in a separate window outside the main window.
Presets
When you have positioned the graphs and panes to your liking, you can store them in a preset. Hotkeys and a toolbar enable you to switch quickly between the presets that you made.
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