how to know if a rectangle is in the same region of another in cesium?
You can use Rectangle.intersection.
http://cesiumjs.org/Cesium/Build/Documentation/Rectangle.html
if intersection(A, B) equals A, then A is fully contained by B.
how to know if a rectangle is in the same region of another in cesium?
You can use Rectangle.intersection.
http://cesiumjs.org/Cesium/Build/Documentation/Rectangle.html
if intersection(A, B) equals A, then A is fully contained by B.