landscape photography tool

I've recently started using a great free online tool which helps a lot with planning landscape photography trips. It works out sunrise / sunset angle of view for anywhere in the world using google maps and allows the user to see the position of the sun for any location at any time of the year. Really handy. Thought I'd post the link so others can start using it too

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Thanks Gavin, looks very handy.

That IS a very nifty idea. It would seem an important tool to use for architectural photos also, since you can't move a building for better sunlight.

Very cool tool. I'll us it. Thanks