-------- Mensaje original -------- Asunto: Re: OSM map icons help Fecha: Thu, 14 Aug 2008 12:18:12 +0200 De: sergio sevillano <[EMAIL PROTECTED]> Para: Ulf Lamping <[EMAIL PROTECTED]> CC: Frederik Ramm <[EMAIL PROTECTED]> Referencias: <[EMAIL PROTECTED]> <[EMAIL PROTECTED]> <!&!AAAAAAAAAAAuAAAAAAAAAOKaD4mR3JBOrEpRon92nMgBANp/[EMAIL PROTECTED]> <[EMAIL PROTECTED]> <[EMAIL PROTECTED]> <[EMAIL PROTECTED]> <[EMAIL PROTECTED]> <[EMAIL PROTECTED]> <[EMAIL PROTECTED]> <[EMAIL PROTECTED]>
hi Ulf Ulf Lamping escribió: > 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 ... > ok >> >> 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. > i have choosen 20x20 px as start point (the hospital is that size) where icons are inside a square or a circle. But if they are alone i gess they end up 18x18. for me is important to have an agreement on the size, as design differs a bit. We are moving at a very small range and 1 px makes a difference. (to me, at least). that 16x16 is complex to change for JOSM? > 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. safeweb palette? >> >>> · 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 ... > there is one screenshot at http://wiki.openstreetmap.org/index.php/User:Sergionaranja >> >> 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 > > nice to listen to you ulf. ok this is it for now. im running right now to the beach so ill be out for few days. and i cant answer till then bye sergio _______________________________________________ talk mailing list [email protected] http://lists.openstreetmap.org/listinfo/talk
