#5440: GEOSGeometry: Add WKB support
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Reporter: rcoup | Owner: nobody
Status: new | Component: GIS
Version: SVN | Keywords: sprint
Stage: Unreviewed | Has_patch: 1
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Attached is a patch that adds WKB support to the GEOSGeometry object,
which we can use for more efficient conversions/access.
Create a GEOSGeometry by passing the binary data as a buffer type (via
`buffer()`):
{{{
# wkb =
buffer('\x01\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xf0?')
# geom = GEOSGeometry(wkb)
# geom.wkt
'POINT (0.0000000000000000 1.0000000000000000)'
}}}
Get the WKB out:
{{{
# geom = Point(0, 1)
# geom.wkb
<read-only buffer for 0x2b10ff1c2030, size -1, offset 0 at 0x2b10ff1a6d18>
# str(geom.wkb)
'\x01\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xf0?'
}}}
In addition to tests for WKB, I've added a number of extra tests around
geometry creation from formats other than WKT.
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Ticket URL: <http://code.djangoproject.com/ticket/5440>
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