The Spatial Query plugin allows to make a spatial query (select features) in a target layer with reference to another layer. The functionality is based on the GEOS library and depends on the selected source feature layer.
Possible operators are:
As an example we want to find regions in the Alaska dataset that contain airports. Following steps are necessary:
Now you get a list of feature IDs from the query and you have several options as shown in figure_spatial_query_1.
Figure Spatial Query 1: