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THE GEOMETRIC DESIGN OF A ROAD BY MEANS OF A COMPUTER

Michaël Peeters, G Dewitte

Abstract

THIS ARTICLE DESCRIBES A DESIGN METHOD AND A TECHNIQUE OF AUTOMATIC DRAWING FOR THE PLANNING OF A ROAD. THE GEOMETRIC ELEMENTS OF THE ROAD ARE DEFINED: AXIS, LONGITUDINAL AND TRANSVERSE PROFILES. THE BASIC PROGRAMS ARE SUPPLEMENTED BY ANCILLARY PROGRAMS DEALING WITH AXIS INTERSECTIONS, PEGGING OUT OF THE AXES AND VISIBILITY CONTROL. PART 2 OF THE ARTICLE CONCERNS THE MODEL OF THE MATERIAL TERRAIN AND PLOTTING OPERATIONS. PART 3 CONSIDERS THE SETTING UP OF A FILE AND CALCULATION PROCESSES. PART 4 IS DEVOTED TO THE AUTOMATIC DRAWING.

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Available abstract

Key concepts: Visibility, Terrain, Computer science, Engineering drawing, Geometric design, Geometric modeling, Control (management), Computer graphics (images)