Adjust the video position

In this mode, the "Current video" view allows you to adjust the position of the current video for each compatible protocol.

When the experiment lasts several days or even several weeks, it may happen that the camera or the workspace are accidentally moved. In this case, when recording a new video, you may notice that the arena defined in the protocol no longer corresponds to the real arena where the animals are evolving.

To correct this, it is possible to adjust the position of the arena for each test in the "current test" view.

It is also possible to adjust the position of the video. The adjustment defined for a video will be automatically used for all tests that use this video and that have not been adjusted manually.

Arena adjustment allows you to define the transformation rules (movement, resizing and rotation) to be applied to the image from the camera to match the arena defined in the protocol and the real arena. If the video is compatible with several protocols, you can define an adjustment for each protocol.

Once a video has been adjusted, it is possible to carry over this adjustment to other videos (for example all videos recorded on the same day).

To enter the adjustment mode :

Select a video in the "Current video" view then click on in the side information panel:

Manual video adjustment :

To adjust a video :

1/ Select the protocol. The main view displays the main arena of the selected protocol.

2/ adjust the position of the arena to make it coincide with the real arena:

•either, by using the buttons.

•or, by moving the arena directly with the mouse on the video image.

•either, using the keyboard arrows (arrow alone to move the arena; [Shift key]+arrow to resize.

3/ repeat the operation for all compatible protocols.

Use the adjustment of another video :

1/ Click on the "Use the adjustment of another video" link in the side information panel. to open the selection dialog box :

2/ Select a video in the list.

3/Click the "Copy" button or the "Link" button.

If you create a link, any change to the source video's adjustment will be automatically taken into account and will change the linked video's adjustment.