Hi,
I’ve loaded a shapefile containing height information into PostGIS using
OGR2OGR. The shapefile has loaded OK and the geometry all seems to be fine
in PostGIS, showing as a LineStringZ geometry. When I run
st_estimated_extent on the table it fails with the error message ‘ERROR:
stats for
Hey,
I used Nicolas's strategy and it works.
You could slightly improving it by some preprocessing on the linestring
itself
(smoothing or simplifying, depending on your data)
Cheers,
Rémi-C
2015-01-25 22:32 GMT+01:00 Nicolas Ribot nicolas.ri...@gmail.com:
Hello,
You could build the linestring
Hey,
it is unclear what you want and how your data looks like.
For better answer it would be good to have better info.
Maybe a screen of your data, some facts, for what usage (admissible error,
expected quality ..) etc etc.
What you are trying to do (reconstruct a network from sampled pieces) is
These points were created from a GPX file along a road journey so they
crudely map to a line string
Map matching is the term often used to describe the process of assigning
noisy Gpx points to underlying road network.
My problem is a bit more involved.
The GPX points represent the
