Necessary for geometries that contain curves (CircularArc, CompoundCurve, CurvePolygon), but the web client (e.g. QGIS Web Client) can't handle the display of these geometry types.
This feature can be enabled in the "OWS server" tab in the "Project Properties" dialogue.
This feature was funded by Andreas Neumann
This feature was developed by Marco Hugentobler (Sourcepole)