Hi Roger, just to leave your quick and helpful reply not unanswered: I was hoping for faster processing to be able to answer your question whether further changes are needed. For the moment I just say thanks for your kind cooperation and I might (or hopefully might not) come back to you in case of further issues.
Kind regards Andreas. On Sat, Apr 09, 2016 at 04:29:50PM +0200, Andreas Tille wrote: > 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 > > -- > debian-science-maintainers mailing list > debian-science-maintain...@lists.alioth.debian.org > http://lists.alioth.debian.org/cgi-bin/mailman/listinfo/debian-science-maintainers > -- http://fam-tille.de