I've found artwork in the CST gerber input converter ... .. and yes, gerber conversion sometimes needs rework by hand if it looks like painting with a spot of light ... Thomas > Date: Mon, 06 Dec 2004 10:56:17 -0500 > From: Scott McMorrow <scott@xxxxxxxxxxxxx> > Subject: Re: EMI simulation tools at PCB level > > > Stuart Brorson wrote: > > >I don't think Gerber is used as an input format for SI tools, is it? > > > > > > > Actually, believe it or not, Gerber is a format that can be used with > some 3D fullwave solvers. CST Microwave can use it. And I seem to > remember a path from Gerber to the HFSS format. But ... it can get > ugly. The other format that is prevalent in the RF/ Microwave tool > universe is DXF. Artwork Conversions (www.artwork.com) has some good > tools that can be used to translate from Gerber to DXF and > back again, > along with some links to other RF tool formats. Regarding what will > happen to the files in a particular tool once they have been > imported. > Well that is a topic for a month's worth of discussions. Generally I > find that after translation into dxf, a good editor like Autocad or > Solidworks is a must have to perform some cleanup of the design. > > As for non-proprietary formats for PCB, flex, MCM, and > package design > information exchanges, wouldn't that be nice? Ff we had a robust > universal design information exchange format, we would be > able to pick > and choose the best software for any particular job that we > are doing. > Unfortunately, this would run against the financial interests of most > EDA vendors, which is exactly why we'll never see such a think in our > lifetime. > > As for solving the entire electrical, electromagnetic and numerical > environment of a common PCB, with the thought of correlating to far > field emissions from thousands of potential radiating elements, that > sounds like a good DARPA project on a massively parallel > processor. No > one else has that kind of money to fund research that will > never find a > commercial market. > > regards, > > scott > > -- > Scott McMorrow > Grand Poobah > Teraspeed Consulting Group LLC > 121 North River Drive > Narragansett, RI 02882 > (401) 284-1827 Business > (401) 284-1840 Fax > (503) 750-6481 Cellular > http://www.teraspeed.com > > Teraspeed is the registered service mark of > Teraspeed Consulting Group LLC ------------------------------------------------------------------ To unsubscribe from si-list: si-list-request@xxxxxxxxxxxxx with 'unsubscribe' in the Subject field or to administer your membership from a web page, go to: //www.freelists.org/webpage/si-list For help: si-list-request@xxxxxxxxxxxxx with 'help' in the Subject field List FAQ wiki page is located at: http://si-list.org/wiki/wiki.pl?Si-List_FAQ List technical documents are available at: http://www.si-list.org List archives are viewable at: //www.freelists.org/archives/si-list or at our remote archives: http://groups.yahoo.com/group/si-list/messages Old (prior to June 6, 2001) list archives are viewable at: http://www.qsl.net/wb6tpu