[postgis-users] Q: using the M coordinate for time

strk at refractions.net strk at refractions.net
Wed Jan 10 07:38:04 PST 2007


On Wed, Jan 10, 2007 at 10:52:25AM +0100, Just van den Broecke wrote:

> Questions:
> - known uses for storing time in "M" (or alternatives) in PostGIS  ?
> - any functions/operators to extract e.g. a specific point for an "M" 
> value or a range between "M" values (e.g. time interval) ?

Look up 'Linear Referencing' in the manual.

--strk;



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