[KPhotoAlbum] gps search: a patch

[Johannes Zarl-Zierl]

Hi Reimar,

> after Tobias put his version of the patch to the gps git branch I had a look
> at that one.

No problem.

> To Your question about caching.
> I've just recompiled kphotoalbum without caching.
> gps searching took me about 15 to 20 sec (no cache).
> With caching first search run took about 2 sec, any following searches I
> just couldn't measure - the answer came immediately.
> I also go the impression that opening a lot images (about 1500 in my largest
> folder) in the annotation dialog is much faster with caching.
> 
> Some numbers: I've got about 16800 pictures, 2500 of them have gps position
> info. So searching for gps info has to look at all the pictures.
> Hardware is an about 5 year old i5 with hdd, no ssd, 4gb ram.

Thanks for the numbers!

Cheers,
  Johannes