Google maps w/ satellite imagery

Mark Dieterich mdieterich at GMAIL.COM
Thu Apr 7 14:34:13 EDT 2005


Kyle,

> Yes, we simply spawn shp2img on the same mapfile (with different EXTENT)
> for each 300x300 tile.  Generating the whole map at once would surely
> not be feasible--I'm currently working on a map that is, at the highest
> zoom level, about one quarter of a terrapixel!  However, we have

So it sounds like you are generating all of the tiles statically and
then just serving those up via javascript?  Has anyone tried using
mapserver to tile on the fly, i.e. use mapserver to generate image tiles
at certain zoom levels based on feedback of the user searches.  Then
store tiles in a server cache.  When users request a map, have the
server check the server tile cache, before kicking off mapserver to
create new tiles.

While we are on the topic of mapserver, has anyone ever done work to
write something like mod_mapserver for apache?  It seems like the
startup costs for a cgi based server are going to eat into speed over
the long run.  Remember, I'm still a newbie, so I could be completely
off base here.

Thanks!

Mark



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