X-Authentication-Warning: delorie.com: mail set sender to geda-user-bounces using -f X-Recipient: geda-user AT delorie DOT com X-TCPREMOTEIP: 207.224.51.38 X-Authenticated-UID: jpd AT noqsi DOT com Content-Type: multipart/signed; boundary="Apple-Mail=_A3D05DAC-CEEB-4AFF-8270-57149CE45E54"; protocol="application/pgp-signature"; micalg=pgp-sha512 Mime-Version: 1.0 (Mac OS X Mail 7.3 \(1878.6\)) Subject: Re: [geda-user] The nature of gEDA users X-Pgp-Agent: GPGMail 2.5.2 From: John Doty In-Reply-To: Date: Tue, 26 Jan 2016 14:23:59 -0700 Message-Id: References: <56A751EC DOT 8030402 AT iae DOT nl> <20160126124701 DOT 0d061912c7e078ced9d4e6cb AT gmail DOT com> <201601261804 DOT u0QI4KEQ009550 AT envy DOT delorie DOT com> <20160126211840 DOT 1566d9211a21e05d7603a928 AT gmail DOT com> <64D983DD-53E5-4290-998F-D3F0298A39A8 AT noqsi DOT com> To: geda-user AT delorie DOT com X-Mailer: Apple Mail (2.1878.6) 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 --Apple-Mail=_A3D05DAC-CEEB-4AFF-8270-57149CE45E54 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=windows-1252 On Jan 26, 2016, at 1:54 PM, Britton Kerin (britton DOT kerin AT gmail DOT com) = [via geda-user AT delorie DOT com] wrote: > How exactly do you propose that they draw the hole plating that makes > it a via, short of 3D CAD? How to limit it's layer span? You can > draw whatever you want on layers, it just doesn't get you what you > want. Submerged pads or insulation drawing won't get you what you > want either. > Either some special codes have to know what via means wrt layers, or > you need general 3D CAD. This is correct. Pure 2D layers are not quite good enough. I do, = however, think that 2D with a few special exceptions should suffice for = printed circuits. The fundamental problem with pcb as it exists is that = it=92s a tangle of special exceptions without a clean concept of layer = underneath. John Doty Noqsi Aerospace, Ltd. http://www.noqsi.com/ jpd AT noqsi DOT com --Apple-Mail=_A3D05DAC-CEEB-4AFF-8270-57149CE45E54 Content-Transfer-Encoding: 7bit Content-Disposition: attachment; filename=signature.asc Content-Type: application/pgp-signature; name=signature.asc Content-Description: Message signed with OpenPGP using GPGMail -----BEGIN PGP SIGNATURE----- Comment: GPGTools - https://gpgtools.org iQIcBAEBCgAGBQJWp+PvAAoJEF1Aj/0UKykRo5sP/2dDM/d8IijqaVCMc6REFYiM mkgKQaPfBzCmLXCJVYtr6iZY+6vV4svceLOcBu5zgVQDwjmFss+Lw+izi0UT2srT Zfhj7P3iVVpV1aNammhnBZDxqperW7Z0nY8MIMbMZQxURkXvMe9y7NywgDlYAKJP ABCa+wow9wrF55EDzNYbQlbQSQ8lg3pkXbUBlrU1TJmeE1X4JiAJMDo0iiUc1NSv mfnyqAqRN4Au6vMHffQCQdptMkZEhH411Y9AprlyK+IctarCpwjbmfrYaF4ckN6i gZgKsf1EMSTwgQaqBzWlTqz/1rwoj9BP0ZSvoBPHo50FUfyAbcoYmalZQaAVwhRt +ciaTf5P24bCN5I/fnzA2ozRwxIzB2YWAZ9+uCb9mcXaoo6Fs/uEQ/Lg6DVIbP8D X9G2UhYO4AdXAQygXKASEZlj+Y2Bp93OoNf12c98qCWtY0S0IcnSlWcixygtTREc 4yJSHSTy5R3LaP2cAK78PrOXhekmlse1/yjehk4t5xWpVeo59jhUZ8AebNTHFNYG ZkwvZHe3nhq48KY93HYgi1WovDbZvu+VIQDH2CYbJ5ogJEozp6+gxKutCWGPLp3/ JCv6jamlJbe8q7EovnGXUQyZ+yAaVIqzNyiR9eVhF6xoF9EYIDD9TzLFRasJPCQ0 NEDCK9ewEizLmt9atTQp =2qf7 -----END PGP SIGNATURE----- --Apple-Mail=_A3D05DAC-CEEB-4AFF-8270-57149CE45E54--