[OSM-talk] Graphical generation of Garmin maps from OSM data

[Kristian Thy]

On Fri, Dec 22, Martin Spott wrote:
> OGR is able to handle at least the common geometry types like POINT,
> LINE, MULTILINE, POLYGON, MULTIPOLYGON - these are the ones _I_ use OGR
> for, there may be some more.

Yes, I know - sorry for not making myself clear.

A .osm file contains a lot of MULTILINEs. But in actual fact, some of
these MULTILINES are actually POLYGONs - lakes and parks and stuff. What
I'm unsure of is if one input file can contain both 2D geometries line
lines and 3D geometries like polygons. I know shapefiles are either-or,
but I'm not aware whether this is a general limitation or something
specific to shapefiles.

\\kristian
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