[Xastir] rtree purge

[Tom Russo]

On Tue, Mar 01, 2005 at 02:43:04PM -0500, we recorded a bogon-computron collision of the <mckeehan at mckeehan.homeip.net> flavor, containing:
> I have found that the rtree stuff makes map redraw much faster on the machines
> that I use while consuming a minimal amount of additional memory.
> 
> I often leave the machine alone for over an hour, then go back to it and begin
> to move around. When I wait, it takes forever the first time the maps redraw.
> 
> So I thought I would change the code to leave the rtree indexes stuff around
> forever. I found the line:
> 
> purge_shp_hash();
> 
> in main.c and thought that commenting it out would give me the results that I
> wanted, but it still appears to purge old indexes.
> 
> Is there an easy way that I can modify the code to make rtree leave it's
> indexes around?

Um... yeah, you should be able to do that by commenting out "purge_shp_hash();"
I'll have to look to see why that's not enough.

My original intention was to have a gui slider in the timing configuration
box that could be used to customize the purge frequency.  But I never got 
a round tuit.

-- 
Tom Russo    KM5VY     SAR502  DM64ux         http://www.swcp.com/~russo/
Tijeras, NM  QRPL#1592 K2#398  SOC#236 AHTB#1 
 "When life gives you lemons, find someone with a paper cut."