Hi Thorsten, would it be acceptable if I add this text to d/copyright?
Kind regards Andreas. On Mon, Apr 04, 2016 at 06:52:24PM +0200, Roger Bivand wrote: > Hi Andreas, > > I have added: > > /* > This code is described in "Computational Geometry in C" (Second Edition), > Chapter 8. It is not written to be comprehensible without the > explanation in that book. > > Prints out one arm configuration to reach given target. > Assumes number of links >= 3. > Input: > nlinks Number of links > L1 L2 ... Ln Link lengths > x0 y0 target0 > x1 x2 target1 > ... > > Written by Joseph O'Rourke. > Last modified: December 1997 > Questions to orou...@cs.smith.edu. > -------------------------------------------------------------------- > This code is Copyright 1998 by Joseph O'Rourke. It may be freely > redistributed in its entirety provided that this copyright notice is > not removed. > -------------------------------------------------------------------- > */ > > to spdep/src/soigraph.c (committed to R-forge, will be released when the > next release occurs). This is the comment at the top of arm.c from: > > http://cs.smith.edu/~orourke/CGCode/SecondEdition/Ccode2.tar.gz > > which is the author's code distribution site, and is more relevant than the > printed text of the book. We've used the same approach in sp/src/pip.c for > over ten years without attracting Debian's ire. > > Nicholas and I understood in 2001 that ... may be freely redistributed ... > could reasonably be taken as permission to include and redistribute these > small functions. > > Do you want me to revisit the separate packaging of data sets? > > Best wishes, > > Roger > > On Mon, 4 Apr 2016, Andreas Tille wrote: > > >Hi Roger, > > > >I hope you remember the discussion we had two years ago when I tried to > >package spdep for Debian as a dependency to test some R epipdemiology > >tools. I somehow gave up since the packages can be run with out spdep. > >However, we have now some bioinformatics tools that have a strong > >dependency and so we need to dive into this again. > > > >As you can read below the Debian ftpmaster has reviewed the source code > >of spdep and found a weak part in the licensing. If you ask me this > >issue is also relevant for distributing spdep code on CRAN but nobody > >has stumbled upon this before. It would be great if you could clarify > >the license of these pieces of code or replace it by some alternative > >free code. > > > >Kind regards and thanks for your support > > > > Andreas. > > > >On Sun, Apr 03, 2016 at 04:49:37PM +0000, Thorsten Alteholz wrote: > >>Hi Andreas, > >> > >>the issues about src/soigraph.c are not really solved. > >> > >>According to the file: > >>* The subroutines TwoCirclesxx and SubVec are adapted for R and Double > >>* precision coordinates by Nicholas Lewin-Koh, from Computational > >>* Geometry in C, Joseph O'Rourke, Cambridge University Press > >>* (1998), specifically from arm/arm.c. Copyright for those subroutines > >>* remains his. > >> > >>As you can see, for example on Amazon, this book contains a paragraph: > >> > >>This book is in copyright. (...) no reproduction of any part may take > >>place without the written permission of Cambridge University Press. > >> > >>From my point of view this does not look like that "This code may be > >>freely redistributed" ... > >> > >> Thorsten > >> > >> > >> > >> > >>-- > >>debian-science-maintainers mailing list > >>debian-science-maintain...@lists.alioth.debian.org > >>http://lists.alioth.debian.org/cgi-bin/mailman/listinfo/debian-science-maintainers > >> > > > > > > -- > Roger Bivand > Department of Economics, Norwegian School of Economics, > Helleveien 30, N-5045 Bergen, Norway. > voice: +47 55 95 93 55; fax +47 55 95 91 00 > e-mail: roger.biv...@nhh.no > http://orcid.org/0000-0003-2392-6140 > https://scholar.google.no/citations?user=AWeghB0AAAAJ&hl=en > http://depsy.org/person/434412 > -- http://fam-tille.de