Mapbox GL 0.9.0 发布，基于 WebGL 的矢量地图

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　　Mapbox GL 0.9.0 发布，更新内容如下：

• 　　glyphs URL now normalizes without the /v4/ prefix for mapbox:// urls. Legacy behavior for mapbox://fontstacks is still maintained (#1385)
  
• 　　Expose geojson-vt options for GeoJSON sources (#1271)
  
• 　　bearing snaps to "North" within a tolerance of 7 degrees (#1059)
  
• 　　Now you can directly mutate the minzoom and maxzoom layer properties with map.setLayerZoomRange(layerId, minzoom, maxzoom)
  
• 　　Exposed mapboxgl.Control, a base class used by all UI controls
  
• 　　Refactored handlers to be individually included in Map options, or enable/disable them individually at runtime, e.g. map.scrollZoom.disable().
  
• 　　New feature: Batch operations can now be done at once, improving performance for calling multiple style functions: (#1352)
  style.batch(function(s) {
      s.addLayer({ id: 'first', type: 'symbol', source: 'streets' });
      s.addLayer({ id: 'second', type: 'symbol', source: 'streets' });
      s.addLayer({ id: 'third', type: 'symbol', source: 'terrain' });
      s.setPaintProperty('first', 'text-color', 'black');
      s.setPaintProperty('first', 'text-halo-color', 'white');
  });
  
• 　　Improved documentation
  
• 　　featuresAt performance improvements by exposing includeGeometry option
  
• 　　Better label placement along lines (#1283)
  
• 　　Improvements to round linejoins on semi-transparent lines (mapbox/mapbox-gl-native#1771)
  
• 　　Round zoom levels for raster tile loading (2a2aec)
  
• 　　Source#reload cannot be called if source is not loaded (#1198)
  
• 　　Events bubble to the canvas container for custom overlays (#1301)
  
• 　　Move handlers are now bound on mousedown and touchstart events
  
• 　　map.featuresAt() now works across the dateline
  

　　更多内容请查看：更新日志

　　该版本下载：v0.9.0

　　Mapbox GL 是基于 WebGL 的客户端矢量地图，也是个 JavaScript 库。