Thursday, 14 February 2008

using nasa rss feeds in cyberspace



Using NASA RSS feeds in the CyberSpace gallery

OK, I'm cheating a bit but I'm coping this post from my other blog

which talks about whats going on in Adler's CyberSpace gallery. Since

this article was posted Thom has started working on a more

sophistiated version of my program which will check the feed and

download the images every night and load them into a MySQL datbase. A

script would then query the database and create files for the

Macromdia Director sideshow. Anyway, here is the post:

NASA is doing a feature story on their website about our use of their

RSS feeds! The story is at

http://www.nasa.gov/news/special/Adler_Planetarium.html.

It's really hard to try and keep the gallery current with more than 20

different displays, so using RSS seemed like a great solution. Turns

out that it was pretty easy to parse the xml in Macromedia Director

(at least once I stopped trying to use their xml parser and just wrote

my own). The first thing I tried was just making a slideshow of the

NASA image of the day feed. It worked pretty well, but the images it

linked weren't high enough resolution to use in the gallery. I sent an

email to Colin Engar at NASA about this and he was nice enough to set

up a special feed with links to hi-res images. Three months later and

it's finally up in the gallery. Right now we have two displays taking

information from RSS feeds, and I hope we can add a couple of more

soon. There is the image of the Day one which loops through the last

five NASA images of the day, and our new intro screen which runs the


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