[postgis-devel] GIS problem
jackieict at gmail.com
Thu Dec 14 00:30:53 PST 2006
not exactly. My problem is about behaviour of human. When some person use a
GIS application, do behavour of person have laws. and when their operation
in GIS application is mapped to spatial computing :interset , contains ,
distance, ...defined by OpenGIS, Do same computing operation on same spatial
object is performed regularly, and then I can cache the result of these
2006/12/14, Craig Miller <craig.miller at spatialminds.com>:
> Are you simply trying to prove Waldo Toblers' First Law of Geography,
> "Everything is related to everything else, but near things are more
> than distant things."?
> From: postgis-devel-bounces at postgis.refractions.net
> [mailto:postgis-devel-bounces at postgis.refractions.net] On Behalf Of zhang
> Sent: Wednesday, December 13, 2006 11:15 PM
> To: postgis-devel at postgis.refractions.net
> Subject: [postgis-devel] GIS problem
> I was thinking a problem: Is there a rule: the same spatial
> functions using the same spatial objects are performed regulaly, at least
> queries from people living same area will resulted in such scenes.eg
> <http://scenes.eg/> . people in New York will often query area size of
> someting in New York, and They are also more interesting in postion
> relationship of buidings in NewYork. I think this conforms to rule of
> But now I hope to approve it with facts. Do you have ever think about this
> quesiton and have some statistics on such problem. Can you give me some
> trace and I use it to confirm it.
> bless you!
> postgis-devel mailing list
> postgis-devel at postgis.refractions.net
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