Cesium Version 1.29 Released


We are happy to announce the release of Cesium 1.29. Highlights include

  • 3D Model silhouette rendering and 3D Model color/translucency blending. These are great highlighting effects.
  • Label backgrounds to help make labels standout.
  • Fixed translucency in Firefox 50.
  • Fixed texture rotation for RectangleGeometry.

For the full list of changes, see the change log.


  • For the fourth year in a row, NORAD used Cesium to track Santa’s Christmas Eve work.

Santa's journey visualized with Cesium.

  • Cesium appeared on CNN in a story about defending US satellite systems that highlighted ComSpOC.

Cesium on CNN.


  • The Cesium team’s code sprint led to all sorts of improvements: model coloring, silhouettes, rotating textures, label backgrounds, geocoder autocomplete, and numerous bug fixes.

Model coloring.

Model outline.

Model translucency.

Texture rotation.




We have two new showcases up on our demos page.

CZML CZML Generation from STK

The Commercial Planet, since discontinued.

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