In the download email you should have K and R data set options (two
URLs). Only R has measured geometries.
Ari
29.08.2016, 01:43, Carl Godkin kirjoitti:
Thank you very much for the response. (This isn't the first time I've
found great example data from Finland, by the way. When I was
experimenting with Lidar data a few years ago I found that Finland's
collection was enormous!)
However, I can't see what you mean by the "R" data. I selected
various "Map Layers" and downloaded a few random shapefiles and none
had "Measured" geometry (according to ogrinfo).
Thanks for your help. Sorry if this is a dumb question!
carl
On Sun, Aug 28, 2016 at 12:48 AM, Ari Jolma <[email protected]
<mailto:[email protected]>> wrote:
The Finnish national road data was my motivation to add M to OGR.
You can download it from
https://extranet.liikennevirasto.fi/extranet/web/public/latauspalvelu
<https://extranet.liikennevirasto.fi/extranet/web/public/latauspalvelu>
The page is also in English (click EN on top left)
The "R" data is the one you want.
The meta data etc is probably in Finnish only so you may need to
experiment. M values are used to encode point-like attribute data
into the line strings.
Good luck,
Ari
26.08.2016, 01:43, Carl Godkin kirjoitti:
Hi,
While I had read about XYM and XYZM on the mailing list a few
months ago, I had no experience with those geometry types until
today when I happened to stumble on
http://www-static.bouldercolorado.gov/docs/opendata/OSMPTrails.zip
<http://www-static.bouldercolorado.gov/docs/opendata/OSMPTrails.zip>
which contains a shapefile of trails around Boulder, Colorado
that has
Geometry: Measured Line String
in GDAL 2.1's ogrinfo.
I would like to find some other datasets with XYM (and/or XYZM)
geometry for testing.
I didn't see any associated with the RFC or tickets associated
with it.
Can anyone point me to any others? Thanks very much,
carl
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