It works,
thanks for your help
2008/1/30, Kevin Neufeld <[EMAIL PROTECTED]>:
>
> Hi Sylvain,
>
> ST_ prefixed functions is the new way to access PostGIS methods,
> following the SQL-MM specifications. It sounds like you'll need to
> upgrade your PostGIS version.
>
> See this thread in the archives
Hi Sylvain,
ST_ prefixed functions is the new way to access PostGIS methods,
following the SQL-MM specifications. It sounds like you'll need to
upgrade your PostGIS version.
See this thread in the archives for more info.
http://postgis.refractions.net/pipermail/postgis-users/2007-September/01
Thanks Kevin,
It seems to be the good solution, but I can't execute "st_" functions :
ERROR: function st_line_locate_point(geometry, geometry) does not exist
HINT: No function matches the given name and argument types. You may need
to add explicit type casts.
Do you know why? and how I can Inst
See the section on linear referencing (sec. 6.2.7).
(http://postgis.refractions.net/docs/ch06.html#id2775904)
You'll need to use two methods.
ST_line_locate_point(LineString, Point) returns the percentage along the
the LineString the closest point will occur.
ST_line_interpolate_point(linest
hello, I have a point and a line.
I'd like to know the nearest point on the line from the point.
but I don't find any function to do this... is there one?
thanks for your help.
Sylvain
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