Thomas. Hard to say what is wrong. I'm traveling so I cannot currently
dig up that osm plugin example map. Can you render the map using
nik2img and compare the results?
Dane
--- \o/ ---
Sent from my phone
On Jun 25, 2010, at 12:24 PM, Thomas Walter <[email protected]>
wrote:
Hi there
I am trying to generate map tiles out of an osm-file, but for some
reason
mapnik has problems with the rendering. Often it generates only the
background
and if it renders more then it is only some random stuff.
When I try to render the test2.xml from
http://trac.mapnik.org/browser/trunk/plugins/input/osm
it generates this tile:
http://img145.imageshack.us/img145/8569/mapnikerror.png
I am using mapnik 0.7.0 from the ubuntu repositories.
The relevant source code (mainly taken from the examples) is:
datasource_cache::instance()->register_datasources
("/usr/lib/mapnik/0.7/input/");
freetype_engine::register_font
("/usr/share/fonts/truetype/ttf-dejavu/DejaVuSans.ttf");
Map map (tdim,tdim);
load_map(map,"/home/tom/Desktop/test2.xml");
map.zoom_all();
Image32 buf(map.getWidth(), map.getHeight());
agg_renderer<Image32> ren(map,buf);
ren.apply();
QImage image((uchar*)buf.raw_data(),map.getWidth(),
map.getHeight(),QImage::Format_ARGB32);
Cheers
Tom
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