Problems about input of vehicle body CAD data are expounded and the front windscreen data automatic input and the graphic formation are realized, resolving a major problem for the CAD system.
The method for the graphicinput in a laser-induced thermal etching system and writing device is described.
介绍了激光蚀刻、书写设备中的图形输入方法，着重讨论了图像预处理、直线段识别和圆弧识别的数学方法。
3
The main point in system design includes:(1) The graphic editor part provides a convenient and powerful graphic editor system which includes graphicinput, edit, output and display.