#10222: [patch] Add line_merge to GEOS geometries under django.contrib.gis
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Reporter: psmith | Owner: jbronn
Status: assigned | Milestone: 1.1
Component: GIS | Version: 1.0
Resolution: | Keywords: geos linemerge
Stage: Accepted | Has_patch: 1
Needs_docs: 0 | Needs_tests: 0
Needs_better_patch: 0 |
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Old description:
> In the C API of GEOS, GEOSLineMerge returns a new geometry that is the
> result of having merged contiguous line strings in a geometry collection
> or multi-line string geometry.
>
> Example:
>
> {{{
> >>> geomcoll = fromstr('MULTILINESTRING((1 1, 3 3), (3 3, 4 2))')
> >>> print geomcoll.line_merge()
> LINESTRING(1 1, 3 3, 4 2)
> }}}
New description:
In the C API of GEOS, `GEOSLineMerge` returns a new geometry that is the
result of having merged contiguous line strings in a geometry collection
or multi-line string geometry.
Example:
{{{
>>> geomcoll = fromstr('MULTILINESTRING((1 1, 3 3), (3 3, 4 2))')
>>> print geomcoll.line_merge()
LINESTRING(1 1, 3 3, 4 2)
}}}
Comment (by jbronn):
Now in the gis-1.1 mercurial repo, see
[http://geodjango.org/hg/gis-1.1/rev/87b34dce202d].
It is now a `merged` property that is only available on `LineString` and
`MultiLineString` instances.
--
Ticket URL: <http://code.djangoproject.com/ticket/10222#comment:2>
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