Save multiple google maps points as nested attributes on Rails

I have created a scaffold named "Travel", which have as nested attribute "Points".

When I go to the "edit" page of "Travel", I open the js of google maps, and I want t开发者_Python百科o let the users to add as many points as they want.

I don't know how to do multiple posts to rails for save an undefined number of points.

Thank you to all.

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A really good tutorial on this can be found here: http://railscasts.com/episodes/196-nested-model-form-part-1

It gives good techniques for handling an undetermined number of nested attributes