Common Lisp/External libraries/Vecto
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Vecto is a library for producing graphics programmatically, in PNG format, and typically on the fly. It is a simplified interface to CL-VECTORS, a vector rasterization library. It is very portable and should work in any Common Lisp environment. This kind of program could be used to trivially create a captcha generator or mathematical function plotter like Gnuplot or even more complicated visualization.
Further Reading
edit- http://www.xach.com/lisp/vecto/ Vecto Homepage
- http://projects.tuxee.net/cl-vectors/ CL-VECTORS Homepage
Other Graphics Libraries
editVecto is certainly not the only library for this purpose. You might also want to check out:
- http://www.fractalconcept.com/asp/cl-pdf CL-PDF: a library for producing PDF files
- http://www.weitz.de/cl-gd/ CL-GD: a binding to the libgd2 library
- http://common-lisp.net/project/cl-magick/ CL-MAGICK: a binding to the Image Magick library