[OSM-dev] Osmarender: Produce SVG maps for mobile phones (SVG TINY/BASIC)

George Sgouros sgouros at anro.gr
Fri May 11 09:41:12 BST 2007


I don't know for sure at the present. I'll check it out and I'll be back with the information

George
  ----- Original Message ----- 
  From: 80n 
  To: George Sgouros 
  Cc: Frederik Ramm ; dev at openstreetmap.org 
  Sent: Thursday, May 10, 2007 12:12 PM
  Subject: Re: [OSM-dev] Osmarender: Produce SVG maps for mobile phones (SVG TINY/BASIC)


  What features in the current SVG files created by Osmarender are not part of the SVG Tiny specification?


  On 5/10/07, George Sgouros < sgouros at anro.gr> wrote:
    ----- Original Message -----
    From: "Frederik Ramm" < frederik at remote.org>
    To: "George Sgouros" <sgouros at anro.gr>
    Cc: "80n" < 80n80n at gmail.com>; <dev at openstreetmap.org>
    Sent: Wednesday, May 09, 2007 5:37 PM
    Subject: Re: [OSM-dev] Osmarender: Produce SVG maps for mobile phones (SVG
    TINY/BASIC)


    >George,

    >> I don't think it is such a good idea to steer Osmarender away from SVG
    >> features that are not supported by SVG mobile. This could
    >> signigificantly reduce the features offered by the full SVG  created  by 
    >> Osmarenderer since SVG tiny lacks a lot of SVG Full features.

    >But on 29th January, on this list, you wrote:

    > Using Illustrator, I converted one of the OSM maps from SVG to SVG  Tiny .
    > The resulting map was identical as far as I can figure. The only  thing
    > which
    > differs from the full blown SVG map is that the navigation keys on  the
    > left
    > are not working. This happens because according to the  specification the 
    > SVG
    > Tiny platform does not support events (which is not such a major
    > restriction, since this map will be used on mobile phones anyway).
    > So, I belive that SVG Tiny is powerful enough to visualise OSM maps 
    > without
    > any problems.

    >At that time it sounded as if we could use SVG tiny without loss of
    >quality?

    Yes, it actually did but only in the context of mobile devices. Moreover,
    quality is one thing and features is another. 

    What I tried to answer with my first post is the following question:

    If we use SVG Tiny to display an OSM map to a mobile phone, will the quality
    be the same (or almost the same)?

    IMHO the answer is still yes. However, I suppose that the extra features of 
    SVG Full should not be sacrificed just to produce maps which are compatible
    with mobile devices as well.

    Correct me if I am wrong but it just hit me that some are considering the
    option of totally changing osmarender in order to produce SVGTiny-only maps. 
    Is SVG-FULL under negotiation?? It didn't even cross my mind!

    If this is true, my old post might have mislead some of you for which I am
    sorry.

    George

    >Bye
    >Frederik

    >--
    >Frederik Ramm  ##  eMail frederik at remote.org  ##  N49°00.09' E008°23.33'





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