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2007•Journal of Engineering GraphicsRequires access

Algorithm and Realization of Automatic Drawing of Center Line for Road and Ramp

Zhongwei Wang

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Abstract

Computer automatic drawing of center line on plan for roads and ramps is one of the core functions of road route CAD software.It contains basic function on the aspect of computer dynamic interaction design and computer aided drawing for road engineering.According to the changing characters of curvature of road center line,the general mathematical model for computing road center line coordinates is deduced.The automatic drawing of center line for roads and ramps is realized in AutoCAD environment and the example is showed.

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What this paper is about

Computer automatic drawing of center line on plan for roads and ramps is one of the core functions of road route CAD software.It contains basic function on the aspect of computer dynamic interaction design and computer aided drawing for road engineering.According to the changing characters of curvature of road center line,the general mathematical model for computing road center line coordinates is deduced.The automatic drawing of center line for roads and ramps is realized in AutoCAD environment and the example is showed.

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Available abstract

Computer automatic drawing of center line on plan for roads and ramps is one of the core functions of road route CAD software.It contains basic function on the aspect of computer dynamic interaction design and computer aided drawing for road engineering.According to the changing characters of curvature of road center line,the general mathematical model for computing road center line coordinates is deduced.The automatic drawing of center line for roads and ramps is realized in AutoCAD environment and the example is showed.

Key concepts: Center (category theory), Line (geometry), Curvature, Engineering drawing, Computer Aided Design, Function (biology), Realization (probability), Software

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