June 2005
Intermediate to advanced
568 pages
24h 7m
English
Content preview from Mapping Hacks
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Chapter 4, Mapping (on) the Web
#46 Map Global Weather Conditions
HACK
HACK
#46
Map Global Weather Conditions Hack #46
Make your own animated weather maps, just like the ones they show on the
evening news.
Lucky for the weather enthusiasts among us—and who isn’t a weather
enthusiast, when it comes right down to it?—there are loads of free weather
images from geostationary satellites available on the Web. In particular, the
University of Dundee provides an interface to frequently updated imagery
from several satellites covering the entire globe (http://www.sat.dundee.ac.uk/
pdus.html). The good people from the Xplanet project have stitched together
these images into a single picture of global cloud cover, available for down-
load to use in Xplanet or other applications. We’ll fetch a sequence of these
images and make an animated GIF of global weather conditions to amaze
and astound your friends and family.
Information on the Xplanet cloud map is at http://xplanet.sourceforge.net/
clouds.php. The cloud map is free to use, with the restriction that the image
is not downloaded more often than once every three hours. The image is
rather large, and excessive downloads have caused bandwidth problems pre-
viously, so this restriction is pretty rigorously enforced. That’s okay by us,
since the image is only updated every three hours anyway.
Xplanet can take this cloud map and overlay it on world map imagery ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.