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Design and development of a SpatiaLite geodatabase data provider for the DotSpatial GIS application development framework
Jiří Kadlec, Idaho State University
Geospatial databases (geodatabases) provide an efficient method for managing large GIS datasets and allowing efficient sharing of data by multiple users. SpatiaLite is a portable file based open source geodatabase that is supported by a growing number of GIS systems. The latest platform with support for SpatiaLite is the DotSpatial system, an open source framework for creating custom GIS applications in C# or VB.NET programming languages. This presentation includes a discussion of SpatiaLite and its implementation in DotSpatial. The new SpatiaLite data provider supports creating, reading, editing and updating of vector features, executing spatial SQL queries, and efficient handling of large datasets using the R-tree spatial index. Additional built-in SpatiaLite functionality, including shapefile import and network routing is also supported. This presentation will show two custom GIS applications: A bicycle path network analysis tool and a hydrologic catchment water balance calculator. These applications demonstrate the advantages of using SpatiaLite for advanced spatial analysis tasks. By using SpatiaLite, all datasets for the custom GIS application are stored in one file, simplifying product deployment and distribution.
Jiří is a Ph.D student from Prague, Czech Republic currently studying and working at the Geospatial Software Lab, Idaho State University. The focus of his dissertation is internationalization of the hydrologic information system to provide free climate and hydrological data for all countries of the world with focus on Czech Republic in support of running the open source distributed rainfall-runoff models (WASIM-ETH, SWAT). He is also interested in mobile GIS, digital mapping, software architecture and design patterns, and environmental issues.