Subject: CGAL users discussion list
List archive
- From: Mahmood NT <>
- To:
- Subject: Re: [cgal-discuss] basic question about Point_2
- Date: Wed, 24 Oct 2007 05:22:08 -0700 (PDT)
- Domainkey-signature: a=rsa-sha1; q=dns; c=nofws; s=s1024; d=yahoo.com; h=X-YMail-OSG:Received:X-Mailer:Date:From:Subject:To:MIME-Version:Content-Type:Message-ID; b=WYNS2SkIC8g58YVzcbTFB2y/MWaHJlC+iGW6LiqbFs6l31ZD8HHURcRjVlwn/pO89yLR23WUJHZUEwH7DgYWkP48zjOdmrBkL/7RqeUIhXZ7cGnsah4cTwEM1uFjO/hxwW+L8IO2CqQQOgdqNqVn1Cv85Ws4T23CMMdKNBQVQK4=;
Thanks I got it.
----- Original Message ----
From: "" <>
To:
Sent: Wednesday, October 24, 2007 3:45:14 PM
Subject: Re: [cgal-discuss] basic question about Point_2
As Andreas explained:
x = hx/hw
y = hy/hw
hx,hy,hw are not unique, they are defined up to a multiplicative
constant factor.
(hx,hy,hw)=(c.hx,c.hy,c.hw) for any constant c different from 0.
This is the usual homogeneous framework.
wrote:
> Thanks, but I can not understand how to compute hx from a given x.
>
> can you explain?
--
You are currently subscribed to cgal-discuss.
To unsubscribe or access the archives, go to
https://lists-sop.inria.fr/wws/info/cgal-discuss
From: "" <>
To:
Sent: Wednesday, October 24, 2007 3:45:14 PM
Subject: Re: [cgal-discuss] basic question about Point_2
As Andreas explained:
x = hx/hw
y = hy/hw
hx,hy,hw are not unique, they are defined up to a multiplicative
constant factor.
(hx,hy,hw)=(c.hx,c.hy,c.hw) for any constant c different from 0.
This is the usual homogeneous framework.
wrote:
> Thanks, but I can not understand how to compute hx from a given x.
>
> can you explain?
--
You are currently subscribed to cgal-discuss.
To unsubscribe or access the archives, go to
https://lists-sop.inria.fr/wws/info/cgal-discuss
__________________________________________________
Do You Yahoo!?
Tired of spam? Yahoo! Mail has the best spam protection around
http://mail.yahoo.com
- Re: Re: [cgal-discuss] basic question about Point_2, nt_mahmood, 10/24/2007
- <Possible follow-up(s)>
- Re: [cgal-discuss] basic question about Point_2, nt_mahmood, 10/24/2007
- Re: [cgal-discuss] basic question about Point_2, Monique . Teillaud, 10/24/2007
- Re: [cgal-discuss] basic question about Point_2, Mahmood NT, 10/24/2007
Archive powered by MHonArc 2.6.16.