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Modifying Timestamps

Clearing Timestamps

To remove timestamps from all selected points, choose the menu item SelectionClear Timestamps.

Offsetting Timestamps

Adze allows you to offset the timestamps of selected points by a given amount. Start by using one of the selection tools to select the points you wish to offset, then choose the menu item SelectionOffset Timestamps...

Enter the amount of time you wish to offset each timestamp by, and select the direction you want to offset each timestamp. The example shown will offset each timestamp by two hours, five minutes and twelve seconds into the past.

Click Done when you are ready to apply your changes.

Overwriting Timestamps

Adze allows you to completely overwrite the timestamps of selected points with new values. Start by selecting the tracks you wish to generate new timestamps for, then choose the menu item SelectionOverwrite Timestamps....

You will be asked to choose a new start date for the first point and a method for generating the timestamp of each successive point. There are three options:

If you have selected multiple tracks, you also have the option of using the same start date for each track or using the finish date of one track as the start date for the next.

Note that this tool operates on complete tracks; you cannot overwrite timestamps of only part of a track. If you wish to do this, extract the section you wish to overwrite as a new track first.

Sorting Points Chronologically

If your track contains points which are chronologically out of order, you can correct them by selecting the track you wish to fix and choosing the menu item SelectionChronologically Sort Points

Reversing Tracks

If you wish to reverse the direction of a track, select the track (or tracks) in the track list and choose the menu item SelectionReverse Selected Tracks

Adze will swap the timestamps of the first and last points, the second and second to last, and so on until the whole track has been reversed.