Geometric library in geographic information systems

Geographical Information Systems (GIS) has been a progressively developinginterest area in the world and in our country. In Geographical Information Systems,the structure of the data indicates some differences from other systems. In GIS, dataare spatial (spatial geometry) and it is difficult to make operations with traditionalmethods. Many researchers have made studies to describe the geometric structuresand the relationships between them. Today, these studies finally reached the standardsthat meet the needs. On the basis of previous studies, in order to reach the standardsfor geometric structures and the relationships between them, Open GeospatialConsortium was founded. In this thesis, a spatial class library was formed completelyand accurately in order to describe the data for dealing with this spatial data and toprocess the operations between them.The mentioned geometric class library was developed in ?Microsoft .net?platform by taking basis from dimensionally extended nine interaction model. Theconcerned platform offers a very flexible structure to form web services. Testing thefinal class library was done with ?well known text? based; XML formatted testingdata which was standardized by OGC.Key Words: Spatial Data, Geometric Class Library, Geographical InformationSystems