[Marble-devel] altitude profiles

[Bernhard Beschow]

Hey all,

<snip>

> > See above. I guess it would be cool if eventually we'd store the srtm data in 
> > the map data directory as tiles. Currently we are kind of doing this already 
> > for the Atlas theme which contains coarse SRTM data already.
> 
> For the OpenGL mode, I need a high-bandwidth solution which delivers height information for arbitrary geo coordinates. Perhaps we should have a deeper look into option #3?

I've started an initial implementation for altitude calculation here [1]. The implementation has still some issues, in paticular the name of the class is very bad and there is no support for interpolation yet. However, it's a first start.

Since the current SRTM resolution is about 1km and there seem to be no SRTM tile servers yet, perhaps we could provide high-resolution tiles ourselvs?

Greetings,
Bernhard

[1] http://github.com/shentok/marble/blob/opengl/src/lib/MarbleHeight.cpp