[postgis-devel] Location Of LWAlgorithms
robe.dnd at cityofboston.gov
Tue Dec 23 11:31:35 PST 2008
I haven't taken that thorough a look at the code base, so perhaps I shouldn't be speaking.
But I would think that there are many functions that deal across geometry types
or functions where most of the functionality is the same for different types.
So I fear if we tried to make it a rule, we would quickly violate it simply out of efficiency. Would seem better to separate the algorithmic nature from the constructive nature.
I know I'm supposed to be an object oriented programmer -- so perhaps the OO gods will shoot me where I stand for saying this.
To me geometries are dead objects to be worked on. Functions are the focal point as far
as spatial is concerned.
From: postgis-devel-bounces at postgis.refractions.net on behalf of Paul Ramsey
Sent: Tue 12/23/2008 2:12 PM
To: PostGIS Development Discussion
Subject: [postgis-devel] Location Of LWAlgorithms
I've started an lwalgorithm.c file. However, I see some functions are
living with the types they work against. ptarray_substring, for
example. By a similar token, area should move to lwpoly and lwmpoly
implementations for area. Anyone have a problem with a general rule of
locating methods with their objects, or should we keep the object
files restricted to constructors/accessors and put all the
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