[OSM-legal-talk] Regarding community guidelines for map layers

Michal Palenik michal.palenik at freemap.sk
Fri Nov 7 09:11:57 UTC 2014


On Thu, Nov 06, 2014 at 08:23:20AM -0800, Matt Morrow wrote:
> > there seems to be a contradiction:
> > if your renderer/preprocessing alters one DB based on another (eg
> > removing elements from one, based on elements of the other one),
> > derivative DB kicks in. whether the DB are connected at preprocessing
> > stage or merely in cache of renderer does not matter. they are not
> > independent.
> >
> > a complete different situation would be, if renderer just draws icons on
> > top of each other (eg using the second stage to draw bigger icons, which
> > will probably overwrite first stage icons). then the DB are independent.
> 
> That is in contradiction to the Open Data License/Use Cases page.
> 
> "Can one freely arrange data within a Collective Database as appropriate
> for the application
> 
> When a programmer is working with OSM and data from other sources and
> thereby creates a Collective Database they will want to be free to arrange
> the combined data in the most appropriate form for their purpose. We
> believe that this should be allowed so long as merged database itself is
> not being published."
> 
> (answer) "The non-OSM parts of a collective database do not need to be
> published."

this refers to the fact, that how databases are stored on disk does not
determine whether it is collective or derivative. saying "if it's
a collective DB, you can store both parts in one SQL database. it does
not matter". 

it does not say anything about whether a produced work is based on
collective or derivative DB.

> 
> http://wiki.openstreetmap.org/wiki/Open_Data_License/Use_Cases#Can_one_freely_arrange_data_within_a_Collective_Database_as_appropriate_for_the_application
> 
> Matt

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-- 
michal palenik
www.freemap.sk
www.oma.sk




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