Is there a way to create a step chart using the Google Charts API?

Posted by Nathan on Stack Overflow See other posts from Stack Overflow or by Nathan
Published on 2011-01-13T03:48:44Z Indexed on 2011/01/13 3:53 UTC
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Filed under:

ruby-on-rails

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charts

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javascript-library

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google-charts

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graphing

I'd like to use the google charts API to create a step chart for my Rails application. Preferably using the annotated timeline Google has (since it has a nice wrapper plugin for rails):

http://code.google.com/apis/visualization/documentation/gallery/annotatedtimeline.html

However, there doesn't seem to be a way to create a step chart using the annotated timeline or any other chart in the Google API. I'm looking to make a plot like this:

alt text

If there is no way to do this with the google API, is there an alternative graphing library that can handle such a task?

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