Hi.

I'm using the Google earth plugin and I'm listening to the viewchangeend
event.

My intent is that when the user finishes zooming / panning or whatnot, I
should be able

to retrieve the getViewportGlobeBounds and with the bounds returned be able
to solve the following problem:

I have a network link that has a KmlRegion with a LOD specified. How can I
figure out whether the region is within the bounds and that the LOD was
reached?  

Best would be if there was a function such as isRegionActive (or some
similar name), where I can pass the KmlRegion, and the function returns
true/false based on bounds and LOD.

I know that with maps v2 you can use a function fromLatLngToDivPixel to
convert lat/lon to pixels and from there you can figure out the LOD. What
about in Google earth? Is there any function that converts lat/lon to
pixels (and vice versa)? Alternatively, is there any built in function I
can use that will take the bounds and automatically figure out the LOD?

What trick does Google Earth themselves do to determine whether a region is
active in order to display it on earth?

Thank you,