Before revision: Topology in spatial analysis Several spatial analysis tools are ultimately based on the discovery of topological relationships between features , especially spatial query(e.g., : spatial query, in which one is searching for the features in one dataset based on desired topological relationships to the features of a second dataset.
After revision: Topology in spatial analysis Several spatial analysis tools are ultimately based on the discovery of topological relationships between features : spatial query, in which one is searching for the features in one dataset based on desired topological relationships to the features of a second dataset.