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....geometries (curves) Import and export geometries from/to WKT and...reference systems from WKT, export spatial reference systems to...