On 16 November 2012 16:50, Andy Allan <[email protected]> wrote: > Hi All, > > Matt has mentioned it in the other thread regarding the stylesheets, > but I thought I'd expand a bit on what I'm up to. > > For a long time (coming up for a year now) I've been contemplating > creating a carto version of the main stylesheets. I ported all my own > stylesheets from xml to carto and found a renewed joy in developing > them, both through the change in syntax and from the improved > toolchain (i.e. using TileMill). Also, I much prefer using git than > SVN, since it makes it much easier to try things out on a branch and > seek feedback, rather than passing patch files around or just stomping > over the main branch - or even having patches slip by because people > (like me) are uneasy just committing them and never get round to it. > Finally, I've seen so many thinly-customised versions of the OSM > stylesheets that I know people are trying and struggling to work with > them, and I have painful experience of working with multiple different > XML stylesheets (OpenCycleMap and MapQuest, to name but two). > > I had no idea how few commits there had been to the stylesheets over > the last six months (pretty much none, really), so there's a good > opportunity for a conversion given the reasonably static target. > Yesterday I decided that rather than emailing the list, I would dive > in and see how much work it would be to convert them to carto, and > whether it's feasible > > https://github.com/gravitystorm/openstreetmap-carto > > By a rough metric of number of mapnik rules, I'm 48% of the way > through the conversion. Currently the map looks like this: > > http://thunderflames.org/temp/openstreetmap-carto-wip.png > > So far so good! > > I strongly believe that this is the way forward. Ideally I'd like to > finish the conversion and hit a 1.0.0 release of the new stylesheets - > one that we can swap yevaud over to without causing much kerfuffle. > Then I've already identified a bunch of improvements to the stylesheet > that will make life easier, and which I hope will attract new > cartographers (the many who are familiar with Tilemill) and/or > rekindle interest from our battle-hardened veterans. > > At the very least, we'll soon have a carto version of the current > stylesheet. Regardless of what we decide wrt to old XML stylesheets - > if, say, someone else decides to take them on and develop them in the > traditional manner - I'm sure the carto version will be of interest to > many people. > > Please, ask away if you have any questions. I'll keep the list posted > with how I get on.
Great work. Do you have any idea how/if the performance changes when using Carto rather than the old XML? Matt _______________________________________________ dev mailing list [email protected] http://lists.openstreetmap.org/listinfo/dev
