Integrated geographical information system, problems and strategy of its formation

The article is focused on the basic problems arising during integration of various spatial data in modern geoinformation systems (GIS), which might be interesting for a broad user audience. Principal causes of occurrence of problems of the integration connected to specificity of cartographical filling of databases traditional GIS are analyzed. Solution of these problems is seen by the authors in transition to multilevel, universal, uniform system of geoinformation that integrates various thematic data of different scales. The concept of integrated GIS formation is offered on the basis of the detailed cartographical data. The authors describe the possibility of its practical realization by the example of integrating local GISs created for the local regulatory bodies into uniform GIS of federal or regional level.