This is yet another different type of overlay that we call "screen-space overlay." There is no user interface to at this time, but it was designed to allow for the creation of legends.
Taken from MacRane's posting, it attempts to line up the webcam view with the 3Dview.
This new overlay is very nice. I didn't realize it was a live webcam until the second time I looked at it. Cool. This kind of thing seems perfect for integrating webcams and landcape images into Earthviewer.
For the future it might be useful to think about adding a transparent capability. For webcam use, I think it would be nice if the overlay image could be fixed in space like a billboard, and associated with a floating placemark to mark the point of view.
nice job - good overlay. Ive also thought about doing that with a webcam. I guess one can only do that with 3D terrain - like a mountain - being as buildings, cities, etc are not 3D.
I love this overlay! I know this is an old(ish) post but I hope you will be creating more of these overlays or adding a facility whereby we can edit it to position it more accurately.
-------------------- "When you're climbing the ladder of success make sure it's against the right building"
Greetings, GE enthusiasts! Welcome to Mt. St. Helens FAQ <j/k>
First off...this overlay is a link to the USGS website's webcam, situated approximately 5 miles from the crater, at Johnston Ridge Observatory. The image refreshes every 5 minutes.
There's nothing wrong with the link to the webcam, usually. If you are seeing a grey, or black image only, either it's very cloudy between the cam and the crater, or it's not daylight yet. Be sure and check to see what time it is in the Pacific Northwest (GMT - 8hrs), when you view this overlay or website.
The webcam image does "freeze" occasionally, when its server connection goes down. If you go directly to the USGS website, web page there is a text box directly below the cam image, which will contain any pertinent information regarding technical problems or future updates of the cam.
Visiting the webpage, if you hit the USGS/Cascades Volcano Observatory Report link, then on the Current Update link, you'll be taken directly to a daily statement from the USGS about what's happening on the mountain for the past 24 hours.
Oh, a little hint...if you catch the view in the webcam on a very clear night, you might witness a bright spot. That's the glow of the currently growing lava dome.
Explore the site, take a look at the extensive picture libraries, and have fun learning about the majestic lady I live only 40+/- miles away from!
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