[Accessibility] Audio-tactile maps on smart phones

[Alex Jurgensen]

Hi,

I'd second the HTML5 idea.

Regards,
Alex,


On 2011-12-12, at 2:58 AM, esther loeliger wrote:

> Hi list,
> 
> Audio tactile maps for Smartphones sound a brilliant idea, especially free ones.
> 
> I programmed an Audio map for desktop computers in 2010. The XAPI server I got the OSM data from was rather slow and was unfortunately shortly after discontinued.
> 
> Just mentioning, that such a project might also involve providing a server for the map-data.
> 
> If you are to choose Android as a platform, maybe it's an idea to do a GoogleMaps mash-up? Google maps have a brilliant navigation feature, might be worth to look into it?
> 
> Otherwise how about building an HTML5 app that can be wrapped for deployment on more than just one platform?
> 
> Best wishes,
> Esther
> 
> 
> On 12 December 2011 10:31, Nolan Darilek <nolan at thewordnerd.info> wrote:
> It occurs to me that this should be fairly easily done on Android 4.0 using its new accessibility APIs, and maybe without any custom plugins for the nav apps.
> 
> http://developer.android.com/reference/android/view/accessibility/AccessibilityNodeInfo.html
> 
> The key would be making the map view export itself as a hierarchy of AccessibilityNodeInfo objects. One challenge would be dividing all map features, even things like curving roads, into a series of rectangles. You would then create an AccessibilityNodeInfo for each of these rectangles and set a meaningful content description via setContentDescription().
> 
> There might need to be a bit of support on the screen reader side, but the result would be a map that works both visually and accessibly.
> 
> No time to work on such a project myself, but I'm happy to provide whatever screen reader support I can in Spiel. This would be a neat project.
> 
> 
> On 12/12/2011 04:17 AM, robert wrote:
> Audio-tactile maps on smart phones
> 
> I would like to have an OSM map accessible for visually impaired users
> with a program that makes sounds when you move your finger over the map.
> A different sound for the different map items (roads, water and
> buildings) and that speaks the names on the map. By moving your finger
> over the map  you know what is where on the map.
> You know where your finger is on the device and you hear what is under
> your finger so you can make an image in your mind what is where.
> 
> If the map is centered around you (with GPS) you can find out what is
> around you and where to go.
> 
> You would not need special hardware, just a smart phone with gps and
> touchscreen and one that knows its orientation.
> By adapting one of the open source  programs that use OSM maps (like
> Navit) you would not need to completely write a navigation and map
> viewing program. You would just need to develop a plugin/module for such
> a program to satisfy our needs.
> 
> I have also posted the idea in the Navit forum  on sourceforge.net
> http://sourceforge.net/projects/navit/forums/forum/512959
> 
> Does anyone have ideas about  how to organize and program (write the
> code) this?
> 
> Thanks,
> 
> Robert
> 
> 
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