David, I should read before I write... completely missed this in the new
postgis version.
I was basing myself on a post from opengeo where it is still in a roadmap:
http://opengeo.org/technology/postgis/coredevelopment/lrs/
Again, thanks for pointing me out. Really happy to see this!
Cheers,
Tom
On 27-7-2012 16:24, David William Bitner wrote:
What kind of upgrades are you after? ST_LocateAlong does allow for
offsetting along a line.
On Fri, Jul 27, 2012 at 3:16 AM, Tom van Tilburg
<tom.van.tilb...@gmail.com <mailto:tom.van.tilb...@gmail.com>> wrote:
Thanks for pointing that out David!
I got my example from an existing piece of code that needed
measures later on, so at that time it made sense to create the
measure.
Nevertheless I'm hoping for some upgrade of the linear referencing
functions. Especially the option of offsetting along a line would
be superb.
On 26-7-2012 16:52, David William Bitner wrote:
Tom,
You've got the right toolbox out, but you're doing a bit of
mismatching between the tools.
You can certainly do this using the Linear Referencing tools by
either using ST_Add_Measure and then using ST_LocateAlong (or
ST_Locate_Along_Measure pre 2.0) OR just use
ST_Line_Interpolate_Point along with ST_Length.
Examples of how to do this in a single step:
With Measures:
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