[OSM-talk] OSM maps on Garmin GPS

[raphael Jacquot]

SteveC wrote:
> * @ 21/11/06 04:18:30 PM sxpert at sxpert.org wrote:
>> well, lets put it this way, necessity is the mother of invention.
>> if people came up with this, there must be a good reason, such as 
>> "yikes, it's faster".
>> what would have been the reason if it didn't give any advantage over the 
>> regular thing ?
> 
> So you're asserting it's better because it must me?
> 
> Like, everyone uses Windows so it must be better?

I never asserted this.
I said that there must be a reason that they came up with that, what 
would be the point of researching this otherwise.
now, if you can prove that using 2 columns and 2 normal btree indexes is 
faster than using an r-tree index on the set of 2 (or more) columns, I'm 
listening :D