Tools of creation of urban geographic information systems based on software and open source

<p>Conceptual principles of the creation of Urban Geographic Information System (UGIS) tools based on software products with open source are considered. Organizational and technical structure of UGIS, the basic provisions of its conceptual architecture, tool software modules functions and their means of implementation are provided. Rational organization of municipal information resources for functional UGIS subsystem creations is proposed, and the examples of its implementation are provided