AnalyticalGraphicsInc/cesium — pull request #1036 by kring (2013-08-15 02:19:05+00:00)
Title: Add min/max terrain level option to ImageryLayer.

Add a simple construction-time option to limit the range of terrain tile levels to which an imagery layer applies. This was requested in this thread:
https://groups.google.com/d/topic/cesium-dev/VkUB3cMn7dg/discussion