I want to add a track from a gpx file to a map.
To get started I followed the usage info in the trac documentation - but hit
a problem immediately.
It seems that the Expat library is required:
>>> mapnik.Ogr(file='c:/test.gpx')
Traceback (most recent call last):
File "<pyshell#1>", line 1, in <module>
mapnik.Ogr(file='c:/test.gpx')
File "C:\Program Files
(x86)\mapnik-0.7.1\python\2.6\site-packages\mapnik\__init__.py", line 419,
in Ogr
return CreateDatasource(keywords)
*RuntimeError: OGR/GPX driver has not been built with read support. Expat
library required*
>>>
I can run ogrinfo from the command line OK.
I am running under Windows7 (64 bit) with python 2.6 and mapnik 0.7.1:
>>> sys.version
'2.6.5 (r265:79096, Mar 19 2010, 21:48:26) [MSC v.1500 32 bit (Intel)]'>>>
import mapnik
>>> mapnik.mapnik_version()
701
>>>
I am able to render from postgis without problem.
I'm somewhat out of my depth here - any help appreciated!
Philip
--
Philip Howarth
Cambridge UK
email: [email protected]
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