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Roman Murman2019-11-30 10:49:04
Yandex maps
Roman Murman, 2019-11-30 10:49:04

How to optimize a large number of polygons in Yandex Maps?

The map has a large number of selected objects by polygons, there are over 1000 of them, and therefore the map slows down. It was decided to hide all polygons (visible: false) and show it (visible: true) when hovering over an object . On canvas, there is a ready-made solution for this through Is there a ready-made solution for determining whether a point belongs to a polygon, given that the polygon may have an internal contour. Or how can this be done? Example: https://jsfiddle.net/Lsnh105x/3/
ctx.isPointInPath(100, 500)

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