g3data is a program for extracting data from graphs (i.e., scanned graphs from scientific publications). It can read many different image formats and outputs the extracted data through stdout or to a file.
g3dataGNU是一个用来从图表中提取数据的程序(如从科技出版物中浏览到的图表)。它能读取很多不同的图象格式,并能通过stdout输出提取出来的数据,或把它们输出到一个文件上。