If you are on the latest milestone or newer snapshot then you can pretty easily build the entire svg in a widget. That lets you 1) change any svg parameter in response to item events and 2) add it to any page you like or just make it the only widget on a page with a simple layout.
The trick is that widget components can now be directly set to html or svg tags. See the updated docs for a description:
It’s also possible to build svg widgets on older versions, but it takes one additional little trick. See here for an example:
