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-transfer-encoding;
	bh=zFSoqW77XDJEyYTRDXOzhcmFQ3HAqFvm5KlXOvoInKw=;
	b=O4eM6qeLhRcHNXYSQLEYtbZJHP1Ne24bbOR0KZUiAWyzipx858foOefsVuIWLw4p5p
	HoLqEeOo/sUlQQ5Le5S2p2ft+ChBOwwJ+NWTBdhDQNKc/Swk2AxB84MNceISL4TGvpuq
	ecfeVoShwiMhO1c4tOlipqI67dISZ2sJi+eXM1UUtDifAzudt2GTzkHmSRLwYVw65+jH
	tZNLRlhly8bUNWzgIsbFo4xJBoQtTU6WUgBXS3kRGT9Ohqvn8OlCju77+xzz+zoaB5vP
	z7/cK3IZzxAEWHA7DWJCohQdb3gfR1N81j4QvTBhwgXM4RvDqTCqHa6HhiapP2WcxBGo
	W5kQ==
X-Google-DKIM-Signature:	v=1; a=rsa-sha256; c=relaxed/relaxed;
	d=1e100.net; s=20130820;
	h=x-gm-message-state:date:from:to:subject:message-id:in-reply-to
	:references:mime-version:content-transfer-encoding;
	bh=zFSoqW77XDJEyYTRDXOzhcmFQ3HAqFvm5KlXOvoInKw=;
	b=MThZoojWiCh+2wdW1wafDC5DPE15nvt8Us5f6KxfqGASc6o7AfmJIxwWyldbMTPX4J
	m8PSquHs/R7w9hDKIAaqVOtovoki1ltFWibP5bMSCydRLD60l4NZbArnP0heqzgVAFa5
	Obz9F47FulTjEai402zeAeZphGRtGmbDg5lQ4ezK46HdJ4uOSGv03DpGA5GKMVGsqYj6
	8QJ8KILzxHl1vfVed84o6I9ANPfvuxBtNDD6ZyylKxfUQzpemfLLTa+RdwsSrgr0Atbj
	/JLAIY9M3A5ME+5mBuUzbSf0/+8jZ1QP6F7UlJQv89r1NMqay4ZBrm77kA+1rSJxfNIQ
	ogvg==
X-Gm-Message-State:	ABUngveigVHokA+DnAwgR2a++IEstXPi04rBW8kotFTURTFXB06Mm5XL0uRso9Zbjatr+w==
X-Received:	by 10.25.202.9 with SMTP id a9mr701301lfg.161.1478842445479;
	Thu, 10 Nov 2016 21:34:05 -0800 (PST)
Date:	Fri, 11 Nov 2016 06:34:01 +0100
From:	"Nicklas Karlsson (nicklas DOT karlsson17 AT gmail DOT com) [via geda-user AT delorie DOT com]" <geda-user AT delorie DOT com>
To:	geda-user AT delorie DOT com
Subject:	Re: [geda-user] [pcb-rnd] 6 more import/export plugins + call for
	testers
Message-Id:	<20161111063401.059e95a63938cf1dfc4144ca@gmail.com>
In-Reply-To:	<d6f705c9-ed9d-7972-cd30-d627b8337133@gmail.com>
References:	<alpine DOT DEB DOT 2 DOT 00 DOT 1610161008090 DOT 7286 AT igor2priv>
	<90007773-e175-d8e6-361f-13f618bced10 AT gmail DOT com>
	<alpine DOT DEB DOT 2 DOT 00 DOT 1611102011550 DOT 7286 AT igor2priv>
	<9c0d2698-3378-290e-55ae-ee02e880d8a0 AT gmail DOT com>
	<20161110230855 DOT 9bda5d57a98cb57e22dbbf06 AT gmail DOT com>
	<d6f705c9-ed9d-7972-cd30-d627b8337133 AT gmail DOT com>
X-Mailer:	Sylpheed 3.5.0beta1 (GTK+ 2.24.25; x86_64-pc-linux-gnu)
Mime-Version:	1.0
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

> I started with a version in "C" with a multitude of stroke painted 
> areas, which was easier to approach. Then I read Ucamco.com's "Gerber 
> Format Application Note: Painting Considered Harmful." Not wishing to be 
> "beyond contempt" I started again with C++/Boost, and had a fairly quick 
> time of it using polygon inflation/deflation, union, and intersection 
> C++ operators. There are only a few dozen lines of polygon code to do 
> the whole job, and this solution is much more reliable. I would not wish 
> to try again without Boost, or some suitable replacement library.

Sounds reasonable, algorithms are most often hard to implement.

Another geometrical library I read about is cgal, it have an impressive developer list.

- Raw text -