Rockbox Development > Feature Ideas

Map viewer

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Chronon:
Thanks for pointing that out, PaulJam.  OpenStreetMap looks like a nice resource.

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* I changed the topic title to reflect that this is not for iriver players only.

SKLoki:
It would be great to consult roadmaps on a iriver. Do you see the project realizable ?

Yotto:
I have saved pictures of areas on my ipod when driving in strange places. That, along with my cheap GPS that doesn't have many roads, and I was all set.

I had to remember which picture to load, and had to pan and zoom them, but it wasn't horrible. Still, a dedicated application to handle that would be welcome.

Of course, it needs someone to write it and until someone wants it bad enough to write it comes along, well, it's not going to happen.

gbl08ma:
First of all, I'm new on Rockbox Forums but I already use Rockbox since some months ago on my iPod Nano v2, and I'm just impressed: I didn't use my iPod because I didn't like the Apple firmware and much less iTunes, and Rockbox helped me free up my player (and my computer, the iTunes software is a complete resource eater).

Today I imagined it would be great to have a way to browse maps on the iPod. Obviously, without an internet connection, it's impossible to browse with up-to-date images (as various people already said on this thread). But, as roads don't often change, downloading maps for a specific location and having the ability to browse (including searching) them on Rockbox would be pretty good.

About downloading maps, some time ago I came across this: http://code.google.com/p/gmapcatcher/ . It downloads maps when you're online and allows you to browse them when you're offline. I did a bit of investigation, the images the program downloads are simple PNG images organized in folders depending on their coordinates and zoom level. The map with zoom from 0 to 6 of a medium sized city take less than 6MB.

Obviously it's impossible to port it to Rockbox as-is, but being an opensource application it's possible to take ideas out of that app and implement them on Rockbox. I was thinking of downloading the maps through that app, and then put them on a folder in the rockbox player (like it happens with doom and dict plugins).

Please give me some feedback over this idea, if it would be possible by any means and if no, why. I have programming experience but not in C (I program in VB.NET, C# and other managed languages), however if you think such map plugin would be possible in Lua, I have no problem in learning Lua and getting my hands dirty on this task :)´

EDIT: I would prefer if this was done as a real RB plugin in C as the performance is much better...

Chronon:
Yes, it seems doable.  I think the main thing is to provide a sensible interface for browsing viewable maps (there is already a PNG viewer) and selecting the one you want.

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