[postgis-users] PostGIS Contains / Intersects / Within Performance

[Bruce Rindahl]

I am getting a major crash on ld.exe when trying to compile 3.0.0.  I can't
seem to get a complete SVN snapshot when using the directions on
http://geos.refractions.net (configure is missing).
The link for geos-svn.tar.bz2 (http://geos.refractions.net/geos-svn.tar.bz2)
gives me a 404 error.
Could you check on the hourly snapshot link?
Thanks
Bruce

-----Original Message-----
From: Ben Jubb [mailto:benjubb at refractions.net] 
Sent: Monday, January 28, 2008 9:55 AM
To: rindahl at lrcwe.com; PostGIS Users Discussion
Subject: Re: [postgis-users] PostGIS Contains / Intersects / Within
Performance

I had no trouble compiling GEOS SVN on MinGW.  

b

Bruce Rindahl wrote: 

	Ok let me try this differently :)
	Has anyone had any luck compiling GOES 3.0 or GEOS SVN under MingW?
It is
	causing major crashes for me.  If not then I will file a bug.
	Thanks
	Bruce
	
	-----Original Message-----
	From: Paul Ramsey [mailto:pramsey at refractions.net] 
	Sent: Saturday, January 26, 2008 9:54 AM
	To: rindahl at lrcwe.com; PostGIS Users Discussion
	Subject: Re: [postgis-users] PostGIS Contains / Intersects / Within
	Performance
	
	I don't know, try and tell us! :)
	
	P
	
	On Jan 25, 2008, at 7:58 PM, Bruce Rindahl wrote:
	
	  

		Does the SVN of GEOS compile under MingW??
		Bruce
		
		-----Original Message-----
		From: postgis-users-bounces at postgis.refractions.net
		[mailto:postgis-users-bounces at postgis.refractions.net] On
Behalf Of  
		Paul
		Ramsey
		Sent: Friday, January 25, 2008 11:46 AM
		To: PostGIS Users Discussion
		Subject: [postgis-users] PostGIS Contains / Intersects /
Within  
		Performance
		
		I'd love to see some people here with large data volumes who
do
		contains/intersects/within tests do some testing of the new
postgis/
		geos prepared geometry code...
		
		To test the new functions
		
		- install the svn snapshot of GEOS
		- install the svn snapshot of PostGIS
		- use the ST_ContainsPrepared(g1,g2) predicate for the
testing
		
		We've seen performance improvements of between 5 and 100
times
		faster.  The bigger and more complicated your test
geometries are,
		the faster it should be.
		
		Thanks,
		
		P.
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