Hello,
i had PostGIS / Mapnik installed before and all was working fine.
I just re-installed PostGIS / Mapnik-0.7.1 and calling a script that
worked before gives me an out of memory error now:
Traceback (most recent call last):
File "./generate_image.py", line 91, in <module>
render(m, im)
RuntimeError: PSQL error:
out of memory for query result
Full sql was: 'SELECT AsBinary("way") AS
geom,"amenity","landuse","leisure","military","name","natural","power","tourism"
from (select * from planet_osm_polygon order by z_order,way_area desc) as
leisure WHERE "way" && SetSRID('BOX3D(503843.2677405493
5749599.546361594,1833866.038918196 7522963.241265123)'::box3d, 900913)'
I'm trying to generate a quite large image of whole Germany with the
boundings:
(10.0, 46, 11.0, 56)
I try to generate it into a PNG of dimensions 6000 x 8000. I have 8 Gb of
RAM.
Is this error only due to the increase of input data? planet_osm*.tar.bz2
size is nowadays 18 Gb, the one i used before was "only" 12 Gb?
Is there a way to work around this? For example does Mapnik-2.0 fix this
somehow?
I guess creating the final image in tiles and then connecting them together
will not give the same result, as text placement would be done completely
different and would be just not done around the tile borders?
Has anybody got a hint on how to proceed best?
Best regards,
Torsten.
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