X-Authentication-Warning: delorie.com: mail set sender to geda-user-bounces using -f X-Recipient: geda-user AT delorie DOT com X-Original-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=date:from:to:subject:message-id:in-reply-to:references:mime-version :content-type:content-transfer-encoding; bh=RpTi6pwnep67MKuIzWZ0IY2hlmxP+1utFO1JcyLeRtk=; b=ONh0zdKFqAXP8WEBuh9vdt3eO77MtvuPydAFRM8Wm+I9rsoFzAqdrCvvo1ACM4Iz8Z uQgqJlOaCRjQd+0MR103WoDzY8g43VgcFzDdTTNMHP10ZZKrkGdvA+UBUEPKeov3FRzK rnhafhkwjwzM04qLp36UcmEEQGqrI/vQIaLTwq8njFfX8kHFkdHJG1YQiqdlv482qpHX H8kJfM9ZNCAa00BXvOtOYJKHkOBw3v++9VpieDnhUEKnP6BnBmLnFJJfkbdTj2htTtEO o9+/K//7RDiOjsSbZWgQ4jF7OwfIbvPq/fgIqX4mH/og650cRKR3TZkLg/FhtF8n81FB rSBA== X-Received: by 10.194.175.170 with SMTP id cb10mr135130401wjc.36.1452184543545; Thu, 07 Jan 2016 08:35:43 -0800 (PST) Date: Thu, 7 Jan 2016 17:35:38 +0100 From: "Nicklas Karlsson (nicklas DOT karlsson17 AT gmail DOT com) [via geda-user AT delorie DOT com]" To: geda-user AT delorie DOT com Subject: Re: [geda-user] some more geometry module tweaks (accuracy) Message-Id: <20160107173538.b8addb3e9dfed7227443e1fc@gmail.com> In-Reply-To: References: <8985B557-CC87-48A0-A745-298A501945F0 AT noqsi DOT com> <4807F2B3-2914-48B1-8A40-59D511194AE0 AT sbcglobal DOT net> <20160107081808 DOT GA24116 AT visitor2 DOT iram DOT es> X-Mailer: Sylpheed 3.5.0beta1 (GTK+ 2.24.25; x86_64-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Reply-To: geda-user AT delorie DOT com Errors-To: nobody AT delorie DOT com X-Mailing-List: geda-user AT delorie DOT com X-Unsubscribes-To: listserv AT delorie DOT com Precedence: bulk > > Indeed, moving the origin close to the point allows to use double with > > quite good confidence. After all we were spekaing of DRC at te start of > > this thread, or am I hopelessly confused? > > It could be. The same functions could also be used for calculating the boundaries of copper pours and also hatching inside copper pours in addition to DRC. So, I think the topic changed to just about making accurate functions for these calculations. > > Ed Cgal have an impressive list of developers. Have it been solved in geometric libraries like clipper or cgal and is it an option to use it for these calculations somewhere in future?