The improvement varies depending on the characteristics of the layer, but for most polygons with a large number of vertices, we’re seeing at least a 2-3x improvement. As you can see in the example below, this Arctic sea ice layer loads over 5x faster than the same layer in 4.20. We also use web assembly for triangulating complex polygons. Behind the scenes, we added a new simplification algorithm to preprocess the geometries and optimize memory management. Draw time has significantly improved for layers with polygons with a large number of vertices. These improvements are focused on polygon features and maps with multiple layers.Ĭomplex polygons draw faster. Version 4.21 introduces performance improvements that will decrease the draw time of your layers. Here is an overview of some of the release highlights. ![]() Version 4.21 is out and includes a variety of performance improvements, control over feature drawing order, an enhanced snapping experience, WGS84 support in local scenes, and more.
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