Re: [OSM-talk] OpenStreetMap in The Times - atlas of the world book

2009-04-07 Thread David Cottingham
  Its ISBN 978 0 00 7236701 - The greatest book on earth
 www.timesatlas.com
  twelfth edition 2007
  -it shows collaborative mapping of Bedford, UK
 
 So is that book under a creative commons licence?

No, not AFAIK: the image itself is a derivative work (which would be subject
to the CC license), but the overall book is not. I had the same question
when including OSM data in my PhD dissertation...

Cheers,

David.


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Re: [Talk-ca] [OSM-talk] OpenStreetMap in The Times - atlas of the world book

2009-04-07 Thread David Cottingham
  Its ISBN 978 0 00 7236701 - The greatest book on earth
 www.timesatlas.com
  twelfth edition 2007
  -it shows collaborative mapping of Bedford, UK
 
 So is that book under a creative commons licence?

No, not AFAIK: the image itself is a derivative work (which would be subject
to the CC license), but the overall book is not. I had the same question
when including OSM data in my PhD dissertation...

Cheers,

David.


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Re: [OSM-talk] Limiting Polygon?

2009-04-06 Thread David Cottingham
Hi Gary,

Do you not just want an algorithm to compute the convex hull of the points?

If so, the Graham Scan algorithm will probably do what you want, though
there are others. See
http://softsurfer.com/Archive/algorithm_0109/algorithm_0109.htm for an
explanation.

Cheers,

David.


 -Original Message-
 From: talk-boun...@openstreetmap.org [mailto:talk-
 boun...@openstreetmap.org] On Behalf Of Gary G:
 Sent: 06 April 2009 07:01
 To: talk@openstreetmap.org; d...@openstreetmap.org
 Subject: [OSM-talk] Limiting Polygon?
 
 Hi,
 is there anyone aware of an algorithm that produces a limiting polygon
 around a heap of nodes - let's say around an osm file cut from a planet
 file?
 
 Best would be PERL...
 
 Thanks
 
 Gerhard
 gary68
 
 
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Re: [OSM-talk] Using an extract from OSM in an academic paper

2008-02-21 Thread David Cottingham
Hi Phillip,

On Thu, 21 Feb 2008, Barnett, Phillip wrote:

 As I understand it, while the copyright of the paper as a whole is owned
 by the publisher, an image which uses OSM data will be copyright OSM,

True.

 not the publisher. Not really so unusual, open any newspaper or magazine
 and look at the photographs - almost all of them will have a Corbis
 credit or photographers name (ie implicit copyright notice)
 Same thing for your case.

Yes, except that in a newspaper/magazine they would have obtained a 
license from the copyright holder to reproduce the image (probably not 
just in print but in many other ways too). OSM's licence does allow the 
reproduction of the data, but that reproduction (assuming that it is a 
derivative work) would then be under CC-by-SA license. My worry is that IF 
the paper as a WHOLE was considered a derivative work then the publisher 
would be forced to license the whole thing as CC-by-SA, which they won't 
consent to. If the image itself is derived, but the paper is a collective 
work, then that's OK [still need to know what the accepted form of 
attribution for OSM is, though :-( ].

(Richard: thanks for your opinion re collective work, BTW.)

http://wiki.openstreetmap.org/index.php/Common_licence_interpretations 
isn't overly helpful in this regard, because it states:
If you overlay OSM data with your own data created from other sources 
(for example you going out there with a GPS receiver) and the layers are 
kept separate and independent, and the OSM layer is unchanged, then you 
may have created a collective work.
My images in print clearly don't keep the OSM data independent (my 
overlays are on top of it). Of course, the image that would count as a 
derived work is identifiably separate from the remainder of the paper.

So... With my common sense hat on, I would credit OSM and note that my 
images are CC-by-SA, but the remainder of the paper is under the usual 
publisher's copyright. With my pendantic legalist hat on, I'm not 
certain that this is what the license says. Or am I missing the obvious? 
Is a a paper obviously a collective work?

Has anyone published OSM data in a paper before? (My guess is the 
answer is yes...)

Thoughts?

David.


 -Original Message-

 From: [EMAIL PROTECTED]
 [mailto:[EMAIL PROTECTED] On Behalf Of David Cottingham
 Sent: 21 February 2008 15:19
 To: talk@openstreetmap.org
 Subject: [OSM-talk] Using an extract from OSM in an academic paper

 Hi All,

 I'm sure this question's been asked before, but I've searched the
 archives
 and can't find an answer...

 I'm using OSM data as part of my research, and one of the resulting
 papers
 that I'm in the process of writing will have some images that combine a
 small amount of OSM data (most of the city of Cambridge, UK) with my own

 layers.

 In order to be published, I must either own all copyright on the
 contents,
 or be licensed to use whichever parts I do not hold copyright in.

 Can anyone enlighten me as to:

 - How should OSM be attributed as the source of the data? (e.g. Map
 data
 from Open Street Map, under CC-SA license).

 - Can I, despite the fact that the images I create that utilise OSM
 data are classed as derived works and hence the images should be
 dsitributed under the CC-SA license (correct me if I'm wrong!),
 still publish those images in a paper whose copyright will be owned by
 the
 publisher?

 It's the second of these points that is particularly bothering me!

 Thanks,

 David.



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