Cesium Version 1.35 Released


We are happy to announce the release of Cesium 1.35 and the arrival of 3D Tiles! This is our biggest release since Cesium 1.0 and perhaps ever. Other highlights include:

  • New particle system for effects like smoke, fire, and sparks
  • Time-dynamic support in WMTS

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

Photogrammetry model of AGI headquarters using 3D Tiles.

BIM model from Bentley using 3D Tiles.

Fire simulation using the new particle system.


  • The glTF 2.0 spec is finalized and will be supported in Cesium soon. Read more about the release and what it means for Cesium.
  • Patrick Cozzi is now Chair of the Khronos 3D Formats Working Group, creating glTF.
  • Srinivas Kaza, an MIT student, has joined the Cesium team for a summer internship working on point cloud rendering.
  • We’ve tiled ArcticDEM’s elevation models.

High-detail view of the Denali summit from ArcticDEM's data.



  • Our summer code sprint was an all-around success, with work on post-processing effects, physically-based rendering, and the obj2gltf pipeline. With 13 of us there, it was our biggest code sprint yet.
  • The slides are up from Patrick Cozzi’s presentation to the OGC on Point Clouds with 3D Tiles.
  • We had a great time at GEOINT.
  • FOSS4G Europe is coming up July 18–22 in Paris, France.
  • SIGGRAPH is coming up July 30–Aug 3 in Los Angeles, California.
  • FOSS4G is coming up Aug 14–19 in Boston, Massachusetts.

Between work at the Cesium summer code sprint.


We have a new showcase up on our demos page.

WildLands HOWL - Highlighting Oregon's WildLands

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