[geos-devel] Priorities

Martin Davis mbdavis at VividSolutions.com
Thu Nov 14 13:09:15 EST 2002


This all sounds good to me, guys.  

Yury, let's make Dave's list (below) the head of our priority list.  If you see something else that needs adding to the list, just let me know.

I have a comment on the design for #3 - will post it later today.

Martin Davis, Senior Technical Specialist
Vivid Solutions Inc.
Suite #1A-2328 Government Street   Victoria, B.C.   V8T 5G5
Phone: (250) 385 6040    Fax: (250) 385 6046
EMail: mbdavis at vividsolutions.com  Web: www.vividsolutions.com


> -----Original Message-----
> From: David Blasby [mailto:dblasby at refractions.net]
> Sent: Thursday, November 14, 2002 8:58 AM
> To: geos-devel at geos.refractions.net
> Subject: Re: [geos-devel] Priorities
> 
> 
> Paul Ramsey wrote:
> 
> >    Fix the bugs in the Geometry Factories, and stabilize 
> the external
> > interfaces so that future versions of GEOS can be slotted in without
> > requiring simultaneous upgrades to PostGIS.
> 
> 1.  GeometryFactory() class needs to be re-designed so that it doesnt
> require copying so many objects.  (Plus debugging)
> 2.  Coordinate and Coordinate list need looking at too.
> CoordinateList.get() looks like its constructing new 
> Coordinates each time
> (at least from the profiler output).  Most of the time is spent in
> constructing Coordiates and getting them.
> 3. quick CoordinateList constructor for an array of struct 
> {double x,y,z}
> points.  That is, if there is a better way than just 
> converting each point
> into a Coordinate and adding it to a CoordinateList.
> 
> dave
> 
> 
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> 




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