-------- Mensaje original -------- Asunto: Re: OSM map icons help Fecha: Wed, 13 Aug 2008 02:42:23 +0200 De: Ulf Lamping <[EMAIL PROTECTED]> Para: Frederik Ramm <[EMAIL PROTECTED]> CC: sergio sevillano <[EMAIL PROTECTED]> Referencias: <[EMAIL PROTECTED]> <[EMAIL PROTECTED]> <!&!AAAAAAAAAAAuAAAAAAAAAOKaD4mR3JBOrEpRon92nMgBANp/[EMAIL PROTECTED]> <[EMAIL PROTECTED]> <[EMAIL PROTECTED]> <[EMAIL PROTECTED]> <[EMAIL PROTECTED]> <[EMAIL PROTECTED]> <[EMAIL PROTECTED]>
Frederik Ramm schrieb: > Hi Sergio, > >> just hapens that i´ve been working on a set of icons specifically >> intended for OSM, basically POIs. >> that i´ll be happy to release them as public domain if the community >> acepts them. > > That sounds good! ACK :-) > >> before i start i need some questions to be solved: >> · what .svg format is used (2.0 1.0 tinny....) > > I have no idea. Basically what inkscape uses. The files don't seem to indicate any svg format, and I'm really not an expert on this ... > > We use symbols in - at least - three different places. We have two map > renderers - Osmarender and Mapnik - that use symbols, and we have an > Editor - JOSM - that can display symbols. There are other editors as > well using their own symbols, plus myriad map display apps (GPSDrive, > Navit and so on). > > Of these, only Osmarender uses SVG symbols. Osmarender uses SVG version > 1.1. JOSM only works with bitmap images. Mapnik currently only works > with bitmap images but they are working on SVG support I think. > >> · which is the color palette (or constraints of display so i can find >> the best color palette) > > This is hard do answer in a general fashion. Both Mapnik and Osmarender > generate map tiles for the web. I guess that as long as your symbols > don't use too many colours, anything goes. But currently due to the mix > of styles, the symbols probably together use 100 colors or so, which > leaves too little for the maps. > >> i believe most of the icons come from >> http://www.gpsdrive.de/development/map-icons/overview.en.shtml >> is their color and sizes the ones OSM wants to use? > > These icons are not generally used in the renderers, but by the GPSDrive > program which uses OSM data. The size JOSM elemstyle (mappaint) uses is 16*16 pixels max, which is probably a good rule of thumb for other rendering related stuff, but this is only my personal opinion. There wasn't any discussion about the number of colors used. To be honest, I don't feel that this is a real problem today (giving todays true color displays) but I may be wrong here. > >> · wich are the categories that are used in order to classify and >> select a color squeme for each. are they this?: >> >> http://svn.openstreetmap.org/applications/share/map-icons/README.icons > > This also relates to the GPSDrive icons. I believe they have been > proposed as a general-use set of icons for OSM, and may also be used in > the JOSM editor, but not on the map renderers. The icons are rather > colourful and IMHO not very well suited for displaying them on a map > that uses colors to distinguish map features; such icons tend to be > monochrome. Well, first of all, the current set of icons used in JOSM is colorful and this is mostly my fault :-) My primary goal for the JOSM icons I "painted" was simply to have *any* icons that makes at least a little sense for mappers and are recognizable. Anyway, I don't know if I agree with Frederik that map icons need to be monochrome ;-) > >> · i found this page as the closest >> http://wiki.openstreetmap.org/index.php/Map_Icons >> created by Ulfl but basically abandoned since then. are this the >> accepted rules? > > OpenStreetMap has no body that could accept or reject rules. I don't > know if Ulf Lamping is still working on the icon stuff or not. >From time to time. I believe > that the goal has been (and still is) to get the renderers to work with > a standard set of icons as well. This not only involves selecting the > icon style but also deciding on which zoom level which objects will be > visible. It is a very complex job and cannot be done in one go. Unfortunately (IMHO, but Frederik will probably have a different opinion), every renderer is keeping it's own set of icons, rules, ... > >> · how can i present the icons i´ve done so far.? simplest idea might be to have a screenshot with lot's of icons, so people get an idea ... > > If you are willing and able to work with SVG and XML, then you could > install Osmarender on your system and download a well mapped region, say > Munich or London, and render it locally. This will result in an SVG file > showing a map of the area. You can then change the Osmarender rules file > to use your icons and re-render the map. This would be something people > would look at ("look here I have drawn London with my new symbols"). But > you could also just create a new icon category on Ulf's wiki page and > upload them there. > > Note that, as Ulf has written on the page, typical icon categories don't > always fit OSM and vice versa. For example. a restaurant is tagged > amenity=restaurant and a hotel is tourism=hotel, but in an icon > collection you would usually have the icons for hotel and restaurant > side by side. To be honest, I'm no longer convinced that "my idea" of using the gpsdrive schema to keep the icons is a pretty good idea at all. I mean the only applications I know using these icon schemas are gpsdrive and JOSM, and this scheme might be the reason why others are not using it at all ... > > I have Cc'ed Ulf on this email but you don't have to be shy, just post > on the "talk" mailing list about your icons and see what responses you > get ;) ACK Regards, ULFL _______________________________________________ talk mailing list [email protected] http://lists.openstreetmap.org/listinfo/talk
