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。
2
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.
图形编辑部分，提供了一套功能强大、操作方便的图形编辑系统，主要包括了图形的输入、输出、编辑和显示。
3
GUI: The GUI API provides functions to input text and render text on a graphic display.