block by enjalot 7a8dd01fe61fba5fea45

dots on a map: circle

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Prototyping a lasso tool for selecting geographic points with an arbitrary polygon.

Using this point-in-polygon code to calculate which points are selected within the polygon. All calculations are done in the projected (pixel) space.

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forked from enjalot‘s block: dots on a map: setup

forked from enjalot‘s block: dots on a map: lasso

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