-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Dave Stubbs wrote: | On Mon, May 12, 2008 at 3:22 PM, Shaun McDonald | <[EMAIL PROTECTED]> wrote: |> |> On 12 May 2008, at 15:13, Alex Wilson wrote: |> |> > Hi, |> > |> > I'm new to this mailing list but have been following the good work |> > at OSM for a while and have been very heartened by the project's |> > growth. I have a simple question: I'm interested in the relative |> > runtime of the sub-components of the Osmarender-based tile |> > generation process. Specifically the relative time for running the |> > Osmarender code itself (the XSLT+Perl) versus rendering the |> > resultant svg as a tile? I am presuming the former is a small |> > proportion of the total runtime whilst the svg rendering dominates? |> > |> > If not, I was wondering if there's any interest in developing a |> > version of the code in a compiled language for efficiency reasons? |> |> Take a look at mapnik. I think that it does what your looking for. The |> problems that I know of with Mapnik are that it can take a bit to |> setup, and you can't do incremental updates of the database that it |> works off (hence why there are only weekly updates to the map). |> | | Although if you're only interested in small sections of data | retrievable with an api map call then there is no reason you couldn't | download the data [EMAIL PROTECTED] style, and import to postgis/shape and render | using mapnik. This would all happen very quickly -- probably faster | than the [EMAIL PROTECTED] equivalent (I haven't tested, so I couldn't guarantee | that).
I'm sure I saw Artem demonstrate a script called something like [EMAIL PROTECTED] that did exactly that. Once it had downloaded the data from the server, the rest of the process happened essentially instantly - certainly fast enough to not need a progress bar or anything. Robert (Jamie) Munro -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.6 (Darwin) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org iD8DBQFIKGiiz+aYVHdncI0RAvR1AKCIPM+YWx2wHeicWZ5/zwPtTd5tRQCdElMj mYwA+AQDzL1dx12KsGmUPq4= =l4j8 -----END PGP SIGNATURE----- _______________________________________________ dev mailing list [email protected] http://lists.openstreetmap.org/cgi-bin/mailman/listinfo/dev
