Google Map Polygon selection for Gravity Forms

Avg Bid (USD)
Project Budget (USD)
$30 - $250

Project Description:
I need an ability for users to draw a polygon on a Google Map. (Example: )
Then pass the necessary parameters to a form. Am using Gravity Forms for WP.
The resulting polygon chosen should be rendered in a link or iframe.

Need an encoded polygon as seen here:

If you have a sample or working form using polygon selection and it's output, please provide the link.

Skills required:
Cartography & Maps, Google Earth, PHP, Wordpress
About the employer:
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