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; bh=fij2DZbFjaNKcSve7DVuF3PCjW/s/IcUvlwCzAgMsng=; b=YhGYo70ifyK/LI/v78nqnmDV3XctgJfpPfvMmQgPjegEimxKq5UXMtzt5xwK+cKx+c 8g7bYE06jdtMk2DTAeDMioFI9xwZCwJdXNs3bNDI7XwFcZTjrBkcvSndxLJofFruvPhM uQd/PZrnTJiFZmKlKS9wzOQF9tfXBhNBV7f9HC/wZYl7ZTgScoLzMeScifqQXhfagu/E oBvpVlQar4gSZ5ZsiyEU+NcM4jhghGCLc0YlZs22V+wIVtm5Loz1NucnVQYb6WdZysrh DC2V1fu0Zjjhl6fFTEdUolvic0nYhz4yChHmVgJwAlZm4FzQOQsxRmOx49mkGV1z9bLe NeAA== X-Received: by 10.28.182.135 with SMTP id g129mr41890630wmf.55.1451252877381; Sun, 27 Dec 2015 13:47:57 -0800 (PST) Date: Sun, 27 Dec 2015 22:47:51 +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] using DRC for other clearance values -- probably a bad idea Message-Id: <20151227224751.50950b088b31f77a9a257704@gmail.com> In-Reply-To: References: <20151226214713 DOT 61c9396af946d08bcdbac081 AT gmail DOT com> <20151227113316 DOT b2401441ec634de224120e8f AT gmail DOT com> X-Mailer: Sylpheed 3.5.0beta1 (GTK+ 2.24.25; x86_64-pc-linux-gnu) Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="Multipart=_Sun__27_Dec_2015_22_47_51_+0100_vdw9dmTAMfD/nDMe" 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 This is a multi-part message in MIME format. --Multipart=_Sun__27_Dec_2015_22_47_51_+0100_vdw9dmTAMfD/nDMe Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit > > > simply examining features pairwise is more applicable. However, that's > > > actually mostly a sub-case of a general keep-out mechanism which is > > > probably something pcb wants as well (or perhaps there are already ways > > of > > > doing this that I'm not aware of). > > > > > > Britton > > > > The hard problem I consider is: > > 1. Calculate which drawing primitives intersect, hardest problem. > > 2. Figure out which drawing primitives belong to the net probably need > > (1.). > > 3. To some extent shape of the grown object or bloat as you call it. > > > > There may be some problems to find the objects in the data but this is > > most probably only about good efficiency. I think code could be reused for > > the hardest problem the three points above. > > > > The existing code can definitely tell you which components connect of > course. Once you have all the primitives, you could go through and do > proximity tests with other nearby things. Note that you may not be able to > use the existing rtree stuff as a course filter: I'm not sure it will tell > you about things on other layers. > > Britton It will tell about things on other net, check grown/bloated copies of drawing primitives for this net on this layer for intersection of drawing primitives connected to other net on other layer. A graphical representation should make it all very clear and simple. For corners there is a need to add a circle segment or maybe a full circle as in attached pictures, think compass drawing tool on the corner. 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