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Feature Request
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I want to be able to be able to have the polyline on a map have a gradient or multiple colors.

M*pbox has support for a map like this:
https://miro.medium.com/max/600/0*yQfZ5WKKoTJJmIr0

Attached is my best attempt with Google's API.

Essentially there's no way for the Google Static Map API to smooth out or connect these dots as far as I can tell. My app, Trackster, has a lot of users with fitness activities and we use static maps for their training posts. It would be neat to have the polyline on the map styled as a gradient depending on the training activitie's pace, heart rate, elevation or other data value. I really just need a way to connect these points smoothly and have the colors fill the gap in a smooth way.

Here is the URL of my request:

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Issue report
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What steps will reproduce the problem? Please provide a link to a
demonstration page if at all possible, or attach code.
1.
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