WFS is an open spatial data source determined by OGC (Open Geospatial Consortium), formats such as XML, GML, and GeoJSON are also used by spatial servers that can broadcast to platform-independent service.

It is very easy to add WFS service in BlueGIS software. There are two ways to access the WFS splice panel. The first one is the 'Add WFS Service' option under the 'Add Map Service', in the left menu.

The second way is the 'Add WFS Service' option in the 'Map Services' in the quick menu (+ sign) at the bottom of the screen.

1. Add WFS Service Panel

Parameters to be entered when adding WFS service:

1. Layer Name: Layer name that will appear in the layer box

2. URL Address: URL of the WFS service

3. Layer Name Used in the Service: Layer name of the WFS service

4. ** Coordinate System Search: ** Layer coordinate system search

5. ** Coordinate System: ** Layer coordinate system selection

These five parameters must be completely filled.

Parameters used in the example:

1. URL: https://ahocevar.com/geoserver/wfs

2. Layer Name Used in Service: usa:states

3. Coordinate System: WGS 84

WFS service is added to the map with the 'Save' button. The result is shown below.

2. Previous WFS Services

There are 3 main menus in the adding WFS service panel. There is a 'History' button under the third main menu. In this menu, WFS layers added to the map are saved. Thus, you can easily add a WFS layer you added before to the map without having to re-enter the parameters.

The layer we added in the first step is now displayed in history. It is enough to scroll the box to add it back to the map. If desired, easily remove the layer from the history with the "Delete" button.

When you select the button, the WFS layer is automatically added to the map again.