Cadastre software based on Open Source in Kyrgyzstan Alexander Solovov Solution developer Land Registration Agency Local name – Gosregister Responsible for land cadastre, rights registration and property valuation Has about 49 regional offices countrywide. One central office, Land use Institute, Agency of cartography and geodesy. Supported by World Bank and Sida through Swedesurvey agency (Swedesurvey worked before 2009) Automated registration system (ARS) Core system for automation of business processes in land registration office. Developed in 2003 Based on MS SQL Server 2000 and MS Access (client) Currently used almost in all offices Has central database replicated from regional offices, providing external services to the banks, real estate agencies and others Before introduction of cadastre software ARS operations on creating new property objects or modifying existing (e.g. amalgamation, subdivision) were implemented in text mode. ARS didn’t have any spatial data or reference on spatial sources. In most of the offices paper maps are used to handle geo data. In some offices various standalone tools are used for mapping (ArcGIS, MapInfo, AutoCAD, etc.) Usage of standalone tools brings confusion of different versions of data, inconsistency and has a high risk of data loss or damage Cadastre software First attempt In 2007 was initiated a creation of cadastre software in scope of World Bank project. The following tools and formats were used: ESRI ArcGIS Engine Visual C# Shape files Disadvantages Map objects are managed by coordinates only No graphical tools No central database and network environment support High cost per one sit (about $800) Proprietary code Difficult to extend Cadastre software Second attempt In 2008 Swedesurvey had initiated development of new cadastre software with extended capabilities Project was targeted on small regional offices whose didn’t have any perspective to get commercial software Two versions were created in the scope of Swedesurvey project Third version has been created in 2010 in the scope of World Bank project Basic requirements Create a solution, based on Open Source components (free of charge) Introduce network database support as a central storage of digital maps Develop graphical tools to manage map objects Integrate with ARS database and support existing business rules Move all cartographer functions from ARS to Cadastre software Extend and improve different functions from previous release Add new functions Components PostgreSQL PostGIS SharpMap GeoAPI.Net Proj.Net GDAL Visual C# System architecture Client-server three-tier architecture with well-defined interfaces Business layer (middle) exposed through web-services Modular nature of tiers Works over TCP or HTTP (HTTPS) protocols Architecture diagram Integration with ARS Integrated with ARS (main database) by Property code (identification number) Property objects are created or modified in cadastre software and automatically replicated into ARS Information on owners, rights and restrictions is taken from ARS to display in cadastre software and use in extended search and analysis functions Core functions Map layers management and customization Map viewing Simple georeferencing Add, remove layers (raster, shape file, PostgreSQL) Customization of colors, fills, lines, labels and business objects binding By World File By polygon on the map Applications processing Moving applications between departments Applications distribution inside department Actions are bound to application Core functions Spatial analysis Set of common spatial functions integrated with information from registration database (ARS). Type of owner, type of land, type of usage, cost, etc. Basic topology verification Export to shape file or raster formats Printing forms Cadastre plan Land parcel binding Free printing with customized parameters Core functions Advanced search Property objects operations By map objects By property parameters By address By owners Creation Amalgamation Subdivision Liquidation Buffer Creation of buffer zones internal or external Advanced graphical tools Rule Point Arc Polyline Polygon Closed polygon Internal polygon On the fly switching between polygon, polyline and arc Perpendicular Advanced graphical tools Parallel Movement Rotation Vertex editing Amalgamation Subdivision Copying Length and angle Total station Linear intersection Main window Results Development of the last version was finished in November 2010 Introduced in the biggest registration office. Two offices are on the plan by the end of 2011 It was decided to abandon the use of proprietary software and introduce open source solution in all offices gradually New requirements are prepared for the next release Thank you for attention! Questions?