Offline Editing Plugin¶

For data collection, it is a common situation to work with a laptop or a cell phone offline in the field. Upon returning to the network, the changes need to be synchronized with the master data source, e.g. a PostGIS database. If several persons are working simultaneously on the same datasets, it is difficult to merge the edits by hand, even if people don’t change the same features.

The ^{Offline Editing} Plugin automates the synchronisation by copying the content of a datasource (usually PostGIS or WFS-T) to a SpatiaLite database and storing the offline edits to dedicated tables. After being connected to the network again, it is possible to apply the offline edits to the master dataset.

Using the plugin¶

• Open some vector layers, e.g. from a PostGIS or WFS-T datasource
• Save it as a project
• Press the ^{Convert to offline project} icon and select the layers to save. The content of the layers is saved to SpatiaLite tables.
• Edit the layers offline.
• After being connected again, upload the changes with the ^Synchronize button.

Figure Offline Editing 1:

Create an offline project from PostGIS or WFS layers