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My application is based on client-server architecture . It is a E-Learning Application. I am using ruby on rails server, javascript,canvas,SVG element . I have an idea of an interface to allow the teacher to build any type of animation for students using Cake javascript API . I wanted to save the animation build using the canvas element on the rails server either in database or as a file. Later I have to use that animation to be played to students. I want an idea or a way to do it on any language except proprietary languages like flash but from that language communication can be done with rails server .

      Please reply quickly. I have my deadline.
A: 

Your question is not totally defined... but I can recomend you to take a look to RaphaelJS libray.

Harph
Sorry for it. I have updated my question
cooldude
Thanks for the reply. but raphael library is not providing any function to have the animation data to save it on server side.
cooldude
You catch some data from the raphaeljs animation.... maybe define your own meta-language which you can keep in your database. Doing that, you can get the data and execute a render function that builds the animation again...
Harph
Thanks for reply. I can't do this as can't tell the teacher to wait after making the animation in order to have frames being saved. The animation can be changing infinitely and be random also.
cooldude