tachyon-0.98beta.p6 (Andrzej Giniewicz, August 2nd, 2008)
- Workaround segfault on new GCC versions (#3710)
tachyon-0.98beta.p5 (Michael Abshoff, April 1st, 2008)
- Debian amd64 fixes (Tim Abbott, #2761)
tachyon-0.98beta.p4 (Tim Abbott, Jan. 15th, 2008)
- Debianize spkg (Tim Abbott)
- add .hgignore, update SPKG.txt (Michael Abshoff)
- Changes lost to history
Deleted the scenes directory, which has lots of cool examples. If you're interested, definitely download the source distribution from http://jedi.ks.uiuc.edu/~johns/raytracer/ and check them out!
1. Edited unix/Make-config to enable png support
2. Edited unix/Make-arch to disable framework support for osx carbon.
License issue email with author of Tachyon:
elivered-To: [email protected] Received: by 10.78.20.12 with SMTP id 12cs2771hut;
- Fri, 1 Jun 2007 20:06:29 -0700 (PDT)
Received: by 10.35.70.2 with SMTP id x2mr4136443pyk.1180753589318;
- Fri, 01 Jun 2007 20:06:29 -0700 (PDT)
Return-Path: <[email protected]> Received: from halifax.ks.uiuc.edu (halifax.ks.uiuc.edu [220.127.116.11])
- by mx.google.com with ESMTP id f78si238945pyh.2007.06.01.20.06.26; Fri, 01 Jun 2007 20:06:29 -0700 (PDT)
Received-SPF: pass (google.com: domain of [email protected] designates 18.104.22.168 as permitted sender) Received: from moline.ks.uiuc.edu (moline.ks.uiuc.edu [22.214.171.124])
- by halifax.ks.uiuc.edu (8.13.7/8.13.7) with ESMTP id l5236Qjs018957 (version=TLSv1/SSLv3 cipher=EDH-RSA-DES-CBC3-SHA bits=168 verify=NOT)
for <[email protected]>; Fri, 1 Jun 2007 22:06:26 -0500 (CDT)
Received: (from [email protected])
- by moline.ks.uiuc.edu (8.13.7+Sun/8.13.7/Submit) id l5236Qev011246
for [email protected]; Fri, 1 Jun 2007 22:06:26 -0500 (CDT)
Date: Fri, 1 Jun 2007 22:06:26 -0500 From: John Stone <[email protected]> To: William Stein <[email protected]> Subject: Re: Fwd: Tachyon3d License Message-ID: <[email protected]> References: <[email protected]> <[email protected]> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <[email protected]> User-Agent: Mutt/126.96.36.199i
- Yes, I'll update the license for you and post a new version.
Please give me a couple of days as it's not convenient for me to take care of this right now.
- John Stone
On Tue, May 29, 2007 at 02:44:23PM -0700, William Stein wrote: > Dear John, > > Could you please release a new version of Tachyon3d > (http://jedi.ks.uiuc.edu/~johns/raytracer/) that is licensed under > the modern BSD license, i.e., remove this point from the Copyright file: > > * 3. All advertising materials mentioning features or use of this software > * must display the following acknowledgement: > * This product includes software developed by John E. Stone > > More Details: > > I'm the lead developer for the SAGE project, which is a mathematical > software > system that uses Tachyon3d for its 3d rendering: > http://www.sagemath.org > For example, the 5-dimensional cube graph on the right of the above page > was made using Tachyon3d. > > We're probably one of the main projects using Tachyon3d at this point. > E.g., if you search for tachyon3d in Google you'll get a bunch of SAGE > pages at the top, and a search for "tachyon ray tracer" in Google (no > quotes) > a SAGE page come up as the third hit. > > Unfortunately, today when auditing the software licenses for all components > of > SAGE, I found out that Tachyon3d is licensed under the orginal BSD > license, which is GPL incompatible. It is thus a violation of the GPL for > me to combine Tachyon3d with a GPL'd program. So I either have to > remove Tachyon3d from SAGE, or you could release a new version of > Tachyon3d under the modified BSD license. Note that even Berkeley > changed the copyright of all its code to the new license, since they > realized > releasing under the old BSD license was a serious mistake: > ftp://ftp.cs.berkeley.edu/pub/4bsd/README.Impt.License.Change > > This article discusses many of the issues with GPL-compatibility: > http://www.dwheeler.com/essays/gpl-compatible.html > > This page explains why the old BSD license is a poor choice: > http://www.gnu.org/philosophy/bsd.html > For example, "When people put many such programs together in an > operating system, the result is a serious problem. Imagine if a > software system required 75 different sentences, each one naming a > different author or group of authors. To advertise that, you would > need a full-page ad. This might seem like extrapolation ad absurdum, > but it is actual fact. NetBSD comes with a long list of different > sentences, required by the various licenses for parts of the system. > In a 1997 version of NetBSD, I counted 75 of these sentences. I would > not be surprised if the list has grown by now." > > > -- > William Stein > Associate Professor of Mathematics > University of Washington > http://www.williamstein.org > > -- > William Stein > Associate Professor of Mathematics > University of Washington > http://www.williamstein.org
-- NIH Resource for Macromolecular Modeling and Bioinformatics Beckman Institute for Advanced Science and Technology University of Illinois, 405 N. Mathews Ave, Urbana, IL 61801 Email: [email protected] Phone: 217-244-3349
WWW: http://www.ks.uiuc.edu/~johns/ Fax: 217-244-6078