Asymptote 2.25 发布，此版本更新内容如下：
A play button in rendered 3D images is now suppressed.
The contour.asy module was reverted to a previous stable linearized version.
A numerical issue in makepen was fixed.
A routine for drawing braces was added.
A workaround for an Adobe transparency artifact was implemented.
Raw PRC output can be generated with the "-f prc" option.
Vector patches are sorted to work around opacity artifacts in many rendering engines.
The xasy code editor now accepts command-line options.
Under MS Windows, the ghostscript library is searched for in the 32-bit and 64-bit registries
Asymptote是一个功能强大的矢量图形描述语言，提供了一个自然的协调为基础的框架，为技术绘图。一个主要优点渐近线比其他的图形软件包是，它是一种编程语言，而不是只是一个图形程序。
项目主页：http://sourceforge.net/projects/asymptote/
来自:开源中国社区
