On Wed, Mar 28, 2012 at 06:22:28PM +0200, Andrés Maneiro wrote:
> LINESTRINGM(1 0 1,2 0 2,4 0 4)
>
> What I'm wondering is if somehow I could calibrate the vertex of the
> linestring, having as a result, for example, this route:
>
> LINESTRINGM(1 0 1,2 0 *1.7*,4 0 4)
See ST_SetPoint
-
On 28/03/12 18:26, Sandro Santilli wrote:
On Wed, Mar 28, 2012 at 06:22:28PM +0200, Andrés Maneiro wrote:
LINESTRINGM(1 0 1,2 0 2,4 0 4)
Oh, I get it. And there is a native way in postgis to calibrate the line from a
given set of measured points instead of using the ends?
--
If I un
On 3/28/2012 1:26 PM, Andrés Maneiro wrote:
On 28/03/12 18:26, Sandro Santilli wrote:
On Wed, Mar 28, 2012 at 06:22:28PM +0200, Andrés Maneiro wrote:
LINESTRINGM(1 0 1,2 0 2,4 0 4)
Oh, I get it. And there is a native way in postgis to calibrate the line
from a given set of measured points in
I guess the best way to do this is to combine the actual line and a
"virtual" line, probably a view, with "measured" points.
This involves a bit of thinking but it might be possible.
George
On Wed, Mar 28, 2012 at 3:03 PM, Stephen Woodbridge wrote:
> On 3/28/2012 1:26 PM, Andrés Maneiro wrote:
Create a ticket describing the calibration, that's useful info and
would be a good utility for LRS users for a future version.
P.
2012/3/28 Andrés Maneiro :
> Hello people,
>
> I'm reviewing what postgis is able to do in terms of Linear Referencing. As
> fas as I could see, to calibrate a linestr
http://trac.osgeo.org/postgis/ticket/1747
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