GIS C#.NET Library or API supports formats Shapefile, GeoJSON, FileGDB, GML, KML, SVG, PostGis, Sql Server, GeoTIFF. It can read, write, convert and visualize vector data, manipulate geometries, perform analysis and lookup Spatial reference systems by SRID....dataset Build spatial indeces to speed up spatial queries. Convert...geometries. Use Spatial Reference Systems Look up spatial reference...