Shallow dive profile doesn't look too good

[Henrik Brautaset Aronsen]

Linus Torvalds wrote:
> On Sun, Dec 16, 2012 at 1:22 PM, Henrik Brautaset Aronsen
> <subsurface at henrik.synth.no>  wrote:
>> Here's an example of a shallow dive profile: http://db.tt/mR443Zce
>>
>> There's a lot of screen estate being wasted here.
>
> There's a "zoom mode" (you can toggle it with control-0) that doesn't
> limit the depth zoom to 30m (and doesn't limit the time scaling either
> - useful for freediving in particular, since freedives are usually
> just a couple of minutes).

Fair enough.  The zoom mode is a good fix.

>> Also, for this particular dive, the first air sample was 0, while the 
>> rest were OK.   So, the start bar ("0 bar") label looks misplaced.

This is a separate issue, by the way.  The first air sample is often "0" 
on several of my dives, so we should maybe add logic to ignore it.  Or 
should this be fixed in livdivecomputer?

Henrik