[Xastir] Re: tested CVS....oops.....

[Tom Russo]

On Mon, Jul 02, 2007 at 04:02:16PM -0700, we recorded a bogon-computron collision of the <r.polivka at sbcglobal.net> flavor, containing:
> xastir: index.c:157: RTreeInsertRect: Assertion `r->boundary[i] <= r->boundary[3+i]' failed.
> 
> 
> The window came up with the usual screen buffer garbage for about 2 seconds, then disappeared with the above fault coming up. 


BTW, I should have figured that this wouldn't work.  The GRASS folks made a 
tweak of the original superliminal.com rtree stuff -- they changed all the
rectangle datastructures to use doubles instead of floats.  I chose not to do
that in Xastir because it doubled the size of the data structures, and 
they get pretty big pretty fast.  GRASS doesn't keep them around except 
during operations like "d.what.vect" (querying vector data by mouse clicking),
but xastir keeps them around for a lot longer.  The memory usage was 
significant during my initial testing, so I chose to leave them as floats
the way the original author had them.

This is almost certainly why this assertion is failing.  We're using our 
own header files for the Rtree data structures, and they're defining the
structures differently than GRASS's library is using them.

-- 
Tom Russo    KM5VY   SAR502   DM64ux          http://www.swcp.com/~russo/
Tijeras, NM  QRPL#1592 K2#398  SOC#236 AHTB#1 http://kevan.org/brain.cgi?DDTNM
"And, isn't sanity really just a one-trick pony anyway? I mean all you get is
 one trick, rational thinking, but when you're good and crazy, oooh, oooh,
 oooh, the sky is the limit!"  --- The Tick