[geos-devel] Re:Priorities

Yury A. Bychkov ybychkov at direct.ca
Fri Nov 15 01:15:20 EST 2002


> Yury, let's make Dave's list (below) the head of our priority list.
Sure. The list looks good.

> If you see something else that needs adding to the list, just let me know.
We can discuss it during our phone meeting tomorrow.

>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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