Thanks Dane, I'll go and sort out a 300dpi style sheet for my printed output, and add some info to your trac ticket.
Graham. On 8 February 2010 04:21, Dane Springmeyer <[email protected]> wrote: > On Feb 6, 2010, at 11:48 AM, Graham Jones wrote: > > Hi, > My apologies - this is probably more of a Mapnik question than an OSM one, > but I am using the OSM stylesheet, so I hope someone knows the answer! > > I am working on a little application to generate PDF map output with points > of interest highlighted (ie to produce a 'restaurant guide' or 'tourist > attractions guide' for an area) (http://www.townguide.webhop.net). > > If I select my map size to give 100 dpi resolution, the text size looks ok, > but the output is a bit fuzzy (because it is only 100dpi). If I increase > the resolution to 300dpi by increasing the number of pixels I tell mapnik to > use the text size reduces (or maybe it stays the same in pixels, but is > smaller because I am printing at higher resolution) and it is no easier to > read - it looks like mapnik uses a different zoom level because extra detail > appears that I do not really want. > For examples please see > http://www.townguide.webhop.net/output/73/townguide_poster.pdf and > http://townguide.webhop.net/output/72/townguide_poster.pdf for the 100 and > 300 dpi versions respectively. > > Is there a way to tell mapnik what output resolution I want so that the > font sizes, road widths etc. come out correct at different resolutions, > > > Coming soon (likely will land by the next minor release - Mapnik 0.8.0): > > http://trac.mapnik.org/ticket/343 > > or will I have to re-process the style sheet for different resolutions?. > > > Yes, thats the recommended workaround for now. Holger ( > http://www.ancalime.de/) had a ruby script to do this that might be > useful. > > Any pointers would be appreciated please! > > > It would be great if you would attach sample images, with the bbox used to > generate them, along with any comments to that ticket. Once it rises to a > high enough priority to revise work on... the more examples for testing the > better. > > Dane > > -- Dr. Graham Jones Hartlepool, UK email: [email protected]
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