pg.ddx.io  pgsql-sql@postgresql.org mailing list archive  

help / color / mirror / Atom feed

From: Gary Fu <gfu@sigmaspace.com>
To: pgsql-sql@postgresql.org
Subject: polygon overlay
Date: Tue, 31 Aug 2010 17:14:24 -0400
Message-ID: <i5jrbg$1nph$1@news.hub.org> (raw)

Hi,

I don't see any overlap between the polygon and the box in the following 
sql. Can anyone explain why it returns 't'?

  select polygon(path '((0,0),(10,10),(20,10),(10,0))') && polygon(box 
'((16,0),(17,1))');
  ?column?
----------
  t
(1 row)

Thanks,
Gary

view thread (2+ messages)  latest in thread

Message-ID: <i5jrbg$1nph$1@news.hub.org>
Permalink:  ../i5jrbg$1nph$1@news.hub.org/
Also on:    postgresql.org/message-id/i5jrbg$1nph$1@news.hub.org

copy link · copy postgr.es

reply

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Reply to all the recipients using the --to and --cc options:
  reply via email

  To: pgsql-sql@postgresql.org
  Cc: gfu@sigmaspace.com
  Subject: Re: polygon overlay
  In-Reply-To: <i5jrbg$1nph$1@news.hub.org>

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

This inbox is served by DDX for PostgreSQL; see mirroring instructions
for how to clone and mirror all data and code used for this inbox