Web GIS 开发框架 mapbox-gl-js v0.53.0-beta.1 发布

WEB GIS 开发框架 mapbox-gl-js v0.53.0-beta.1 已发布，Mapbox GL JS 是一个 JavaScript 库，使用 WebGL 渲染交互式矢量瓦片地图和栅格瓦片地图。WebGL 渲染意味着高性能，MapboxGL 能够渲染大量的地图要素，拥有流畅的交互以及动画效果、可以显示立体地图并且支持移动端，是一款十分优秀的 WEB GIS（地理信息系统） 开发框架。

新特性

• Enable fill-extrusion querying with ray picking ( #7499 )

• Add clusterProperties option for aggregated cluster properties ( #2412 , fixed by  #7584 )

• Allow initial map bounds to be adjusted with fitBounds options. ( #7681 ) (h/t  elyobo )

• Remove popups on Map#remove ( #7749 ) (h/t  andycalder )

• Add Map#removeFeatureState ( #7761 )

• Add number-format expression ( #7626 )

• Add symbol-sort-key style property ( #7678 )

Bug 修复

• Allow file:// protocol in XHR requests for Cordova/Ionic/etc ( #7818 )

• Correctly handle WebP images in Edge 18 ( #7687 )

• Fix bug which mistakenly requested WebP images in browsers that do not support WebP ( #7817 ) ( #7819 )

• Fix images not being aborted when dequeued ( #7655 )

• Fix DEM layer memory leak ( #7690 , fixed by  #7691 )

• Set correct color state before rendering custom layer ( #7711 )

• Set LngLat.toBounds() default radius to 0 ( #7722 , fixed by  #7723 ) (h/t  cherniavskii )

• Fix race condition in feature-state dependent layers ( #7523 , fixed by  #7790 )

• Prevent map.repaint from mistakenly enabling continuous repaints ( #7667 )

• Prevent map shaking while zooming in on raster tiles ( #7426 )

• Fix query point translation for multi-point geometry ( #6833 , fixed by  #7581 )

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