Capturing the analysed area with the possibility of dynamically changing the radius and data aggregation

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I have a few questions, maybe someone has already asked them:
1. Is it possible to correctly expand the captured area relative to the pin (it is necessary to dynamically change the radius of the captured area)?
2. If possible, then how can the data be aggregated (number of points) falling under the capture area?


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What I would like, when dynamically resizing (let's say programmatically from the input type="range", units of measurement kilometers), change the size of the captured area and aggregate the points that would fall under that captured area.

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