Αποτελέσματα Αναζήτησης
1 Δεκ 2023 · Topology as a spatial property gives value to 3D GIS by maintaining connectivity, adjacency, and containment information. This study attempted to understand how topology is used in 3D GIS based...
ArcGIS: Working With Geodatabase Topology. Topology—the spatial relationship between geographic features—is fundamental to ensuring data quality. Topology enables advanced spatial analysis and plays a fundamental role in ensuring the quality of a geographic information system (GIS) database.
Topology Rules. Define integrity rules and constraints for the feature classes. Can include point, line and polygon features. Evaluated when the topology is validated. Violations are expressed as topology errors. 31 different rule types. 14 ArcGIS Topology rules can emulate coverage model. More may follow.
15 Απρ 1995 · Three key areas were studied for the purposes of requirements identification, namely existing 2D topological systems, requirements for visualisation in 3D and requirements for 3D analysis ...
In this paper, we describe a design for modeling GIS topology using relational concepts and database engines. This design is the basis for our implementation of topology in the ArcGIS geographic information system. In the first section, we introduce the logical model of GIS topology. We then consider a
Topology is an important kind of knowledge in Geographical Information Systems (GISs). In this paper a small set of user-oriented topological relationships and operators is used as formal background for the implementation of topology on top of the 02 Database Management System (DBMS).
This article deals with topological concepts and models which are necessary to represent three-dimensional urban objects in a geographical information system (GIS). Depending on the shape and the representation of features, several classes with increasing topological complexity are identified and described.
