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Is it a normal angle object or is it an "angle-to-vertical" or "angle-to-horizontal" object?
There was a bug with the latter that was fixed in 2025.2.

I think the discrepancy is because the ones on the video viewport don't take the smoothing filter into account for performance reason. If you disable all the smoothing in the preferences they should match again. But the smoothing is important for accuracy, to remove digitization noise. The main thing I want to avoid is recalculating the whole series on every frame during tracking and point manipulation, maybe it could update whenever the track exits editing mode.

Ces fonctions ont besoin de plus de mémoire, vous pouvez aller dans Options > Préférences > Lecture > Mémoire et augmenter la mémoire allouée. Et réduire la zone de travail au plus près possible autour de l'action.

Hi,
Just to confirm that the timestamps in the file are not hardware timestamps. This is a topic of interest but so far I haven't looked too much into how to get the timestamps when available.

On a related note I'm also interested in trying to measure the accuracy and stability of the frame rate of arbitrary cameras by independent means (like filming an array of LEDs flashing at known frequency to create a binary clock). With the goal of controlling the assumption that the frame rate is stable and that time fluctuations are extremely small or at least much smaller than other sources of error.

Aside from small frame rate fluctuations a possible source of error is when a frame is completely dropped from the output. There should be a drop counter in the info bar of the capture screen. A single frame drop will throw inter-frame arithmetic out of wack. Using recording mode "retroactive" should help if the duration of the recording fits in memory.

Thanks for the report. I think it's a combined problem in the file explorer tree view component accessing the network drives and trying to cache the little file icons in the background. Incidentally I also noticed a slowdown on the Favorites tab when a sub-folder has a large amount of files, like 150 files or so.

I think there is utility in accessing network drives for some users though so it should be an option.

The file explorer component is also causing issues on some Windows versions and on Wine. It is hooking into very old and low level Windows API. I will try to address it asap but it's not a quick fix. Although maybe a temporary measure would be to make a build without the explorer tree view component at all.

If you want to return to default settings you should also delete the content of the "Windows" directory in the preferences as that's where the delay is stored. (and in that case probably delete the "Workspaces" content since workspaces are pointing to windows).

For it to work correctly there must be at least 10 seconds (or whatever is the delay value) worth of images already in the buffer when recording starts so recording shouldn't be triggered before that. Could it be that? This should show in the displayed image as black with a negative timer until it's available. (if configured to show the delayed image).

It also depends on the Recording mode configured in the preferences. Preferences > Capture > Recording > Recording mode and delay > Delayed or Retroactive.

Sorry I missed these posts. The translations are integrated into the codebase at irregular intervals and they end up in the next software release, these happen a few times a year. I'm in the process of setting up continuous builds though, so people can test the latest changes faster, including translations.