[OpenLayers-Users] unique OL useage

[Erik Uzureau]

Hi Brent, This is a cool use of OL technology.

we've gone 1D!

Can we add a link to this on:
http://trac.openlayers.org/wiki/Gallery
...?

Erik

On 3/27/07, Brent Pedersen <bpederse at gmail.com> wrote:
> i'd like to show off the start of what i think is a sensible, but
> unique openlayers project, and likely the one with the smallest-scale
> (or is it largest?) -- measured in nucleotides per pixel:
> http://toxic.berkeley.edu/bpederse/tiler/genome.html  [mostly uncached
> so it'll be slow if it's not been viewed before]
>
> that's using a colleague's image generation [ perl/GD ] and the view
> is limited to a single organism for debugging, but can be easily
> changed to any organism for which we have sequence/features.  the db
> queries + image generation is pretty slow, so i do caching via a
> simple perl script [also added the ability to cache via tilecache but
> we dont generally run mod_python or fastcgi].
>
> this has just been a side project but is pretty simple and only really
> involves _removing_ functionality from OL to make it 1D. things like
> replacing spiralTileLoad() with linearTileLoad().
>
> now, it's a matter of adding mapping niceties such as allowing the
> user to enter an address (gene name or protein or basepair) and zoom
> in and/or query. and speeding up the queries.
>
> as a comparison, the current popular genome-browser--with more
> functionality than i intend to add--looks like this:
> http://dev.wormbase.org/db/seq/gbrowse/yeast/?name=I
>
> i still have some work to go, but it's exciting to see genes floating
> around in there.  thanks to the openlayers developers for making it
> easy.
>
> -brent
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