UML Diagram Layouting: the State of the Art

The usual aim of the modern computer-aided system modelling is to improve a connection between software model and code components. Therefore, the task of a diagram import/export becomes very important during software development. Layouting of diagrams after importation from another tool and application plays the main role. Authors of this paper describe some concepts, which are currently being considered in the area of diagram layouting and indicate several problems and their potential solutions for use in the development of CASE tools