Cesium version b30 is now available for download.
- Support for Internet Explorer 11.0.9 on desktops. For the best results, use the new IE Developer Channel for development.
- Improved support for CZML reference properties to reduce file size by better sharing data among objects. In extreme cases, we’ve seen CZML files shrink by 80%. See below for an example.
PerformanceWatchdogwidget to monitor the frame rate and display a message if poor performance is detected. This was contributed by NICTA.
- Several breaking changes towards a more stable and concise API. See the change log.
CZML reference properties
To see the benefits of improved support for CZML reference properties, consider the CZML below for two billboards that are always shown or hidden at the same time.
Previously, the contents of the
show property would be duplicated for every object that shared the same time intervals, bloating the CZML and using extra
client-side memory. Now we can link these two properties using a reference: