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A nonspatial continuum in which events occur in apparently irreversible succession from the past through the present to the future
12
votes
Accepted
How to handle TIME in GIS?
. :-)
I see at least 3 different scenarios when time is involved.
1) The time part is different inside a geometry. A track log from a GPS for instance, if you make a linestring from that. … political boundary that has changed over time.
3) You want to handle for instance different average temperature at a location over time. …
4
votes
Accepted
Measuring distances between simultaneous points
What you want to do seems like a simple joining on both spatial and time data.
Then you do everything in one query. The tricky part might be to optimize the indexes for the time joining. … For each moose-wolf combination on each moose time registration you should get only the distance when they were most close in time. …