The Interactive System for Hepatologist Experimentation is a visual explorative environment designed to allow the community of hepatologists to formalize, check, validate and discuss their pathology and physiology liver models. In this environment the programming of simulation experiments is achieved by the use of visual languages. The use of Conditional Attributed Rewriting Systems is extended to the Visual langage definition and the case of a visual language for programming the simulation of population of hepatic cells is studied. It is discussed how such a viswl language allows the construction of programs which are expressed by the combination of graphical symbols which are familiar to the physician or which schematize shapes familiar to him and resemble the simulated system he observes in the real experiments. It is also shown how a visual approach avoids the request of unnecessary precision during the interaction, so leaving the user to focus on the solution of his problems.
IntroductionISHeE (Interactive System for Hepatologist Experimentation), is a visual explorative environment designed to allow the community of hepatologists to formalize, check, validate and discuss their pathology and physiology liver models [ 11. The aim of ISHeE is to allow the physician to fill the gap between his (empirical) model of a liver-experiment and the computational model expressed by the programs he uses, a goal which is achieved by a visual prototyping approach, the physician himself being able to design and check his own tools, he uses for the simulation.The design, implementation and experimentation of such
The problem addressed in this work is the construction of a description of a digital image using a kind of parallel rewriting system, the conditional attributed L-system.To this end, first descriptions of digital image and digital structures are defined. Then attributed conditional L-systems able of parallel rewriting are introduced. These systems are concise and readable, and their suitability for image description is shown by an example. Advantages and disadvantages of their use are commented.
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