Data cleansing in OzTrack

One of the aims of OzTrack – in addition to supporting analysis and visualisation – is to provide tools for improved management of animal tracking data. As part of this, we are currently developing a feature for data cleansing, where invalid points can be easily identified and removed from a project using a map-based interface. This step should be done after uploading data, before using the analysis tools.

You can access this feature by going to http://oztrack.org/ and clicking Data Cleansing on your project’s page. Select points for removal from the project by drawing polygons around them: click to start drawing and click again to draw each side of your selected area; double-click to finish drawing. You can draw as many polygons as are required.

Here’s some screenshots of the feature in action:

When points are deleted from a project they will not be included in any analysis routines; however, they are retained in the OzTrack database, allowing them to be reviewed and restored later if necessary.

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