Showing papers on "Graphical user interface published in 1970"

A Customizable Tool For The Generation OfProduction-based Systems

Abstract: A tool is proposed that integrates a modular graphical interface for image processing and an expert system shell generator. The tool provides three knowledge representation formalisms (logic, frames and semantic nets), forward and backward control strategies, and several conflict resolution methods. These features can be combined to construct expert system shells with different levels of complexity. The tool is intended to facilitate the implementation of expert systems in the domain of image processing, and to be used as a teaching and research laboratory in knowledge representation and expert system architecture.

AQUIVAL: A GUI For Groundwater ModellingIncorporated Into The Simulation Of Complex WaterResources Systems

Abstract: The difficulty to integrate a groundwater model into the simulation of complex water resources systems is due to the complexity of sophisticated numerical models that have to be coupled with the simulation of surface water, and to the necessity to use a wide set of computer tools needed for preprocessing data and visualizing results. For this purpose AQUIVAL has been developed. AQUIVAL is a Graphic User Interface (GUI) integrated in a Computer Aided Support System for water resources planning and management including conjunctive use, called AQUATOOL (Andreu et. alt.^). It has been developed at the Universidad Politecnica de Valencia, Spain. It allows the integration of previously calibrated aquifer models based on the finite differences or finite elements methods in the simulation of a complex system of water resources. The aquifer modelling is performed through the approach due to Andreu and Sahuquillo\ based on the eigenvalues method. AQUIVAL aids the user to graphically input the data that have to be process and to obtain a reduced set of vectors and matrices needed for the simulation of the aquifer. Its capabilities include also facilities to obtain written reports, zooming on screen, graphical edition of every datum, input through a digitizer, definition of typified stresses and control parameters representative of the aquifer state, etc. Thus, the described GUI makes accessible the means to simulate the surface and ground water systems avoiding the use of multiple computer tools and puts at the user's fingertips an efficient methodology.

Information Systems For Simulation Of TrainOperation

Abstract: Netherlands Railways has developed several simulators, each of which has a separate aim, interface often deficient and not very efficient and storage format. Now it has decided to develop a new graphical user interface, a uniform data model and future-proof system architecture so that simulators can be used more quickly, more effectively and in combination with one another and so they can be properly maintained. This article describes the conceptual ideas, the architecture and several components such as the graphical user interface and the simulation database.

Writing A Graphical User Interface For Math-Ematica Using Mathematica And MathLink

Abstract: Interactive graphics are a weak part of Mathematica. In this article, a MathLink program which provides interactive graphics in realtime will be introduced. The program can be used to detect a user interface event, and send it to the Mathematica Kernel as an Event Expression. This mechanism enables one to write Graphical User Inter face (GUI) in Mathematica. To define a GUI object in Mathematica, an Object Oriented Programming Style (OOPS) is introduced. The combination of realtime interaction and kernel evaluation provides a dynamical interface building, execution, and debugging environment. In this article, theoverall design of the program will be discussed.

Computer assisted design of a building site

Abstract: This paper describes the package CCAO that enables the graphical modelling, the visualization, and the computer assisted design of a building site. The design problem is to decide the location of the different objects needed for the construction with respect to a set of constraints. A hierarchical object oriented data base system is used which is well suited to the modelization of the different parts of a building site. A toolbox (written in C++) facilitates the creation of the hierarchy of classes.The visualization is made with the use of PHIGS+, and the graphical interface is developed in OSF/MOTIF with the use of the XfaceMaker2 interface generator.