tk是一个结合tcl语言开发图形图像的脚本，如风河的Tornado就是用tcl＋tk开发的IDE。-tk is a combination of language development tcl scr ipt graphic images, such as wind River Tornado is to use tcl tk development IDE.

图片转CAD格式软件:主要功能是将光栅图像中的单线和多条线转换成相应的矢量图形。此程序可转换扫描的地质图或者工程绘图。转换后的矢量图形可用于 AutoCAD 和 IntelliCAD 等 . 授权码在：http://www.china1000.tk/Soft/Show.asp?id=12 -Image to CAD format for software: the main function is the single raster image and the corresponding