Hi Igor,

I wonder if this resource helps with your question?

http://wiki.openstreetmap.org/wiki/Open_Data_License/Trivial_Transformations_-_Guideline (a work in progress)

Mike


On 22/10/2012 18:45, Igor Brejc wrote:
Hi,

Thanks for your clarifications, everybody. I was under the (looks like wrong) impression the produced work must also be available under the ODbL license.
One issue still bugs me though:

    If the closed software you have used did not work on the data
    directly, but on some sort of pre-processed or augmented data,
    then *that* would be the data you have to hand over.


What does "pre-processed or augmented" data really mean? OSM data has to be preprocessed to get to the form suitable for rendering. Some examples of preprocessing:

   1. Importing it into PostGIS and flattening the geometries (like
      Mapnik does it).
   2. Generalizations: simplifications of roads, polygons etc. for a
      certain map scale.
   3. Finding suitable label placements.
   4. Extracting topology from the data (like multipolygon processing,
      merging of polygons, road segments etc.).
   5. Running other complex algorithms on the OSM data.

This preprocessing can be done "on-the" fly or (in case of Mapnik) as a separate prerequisite step.

Igor

On Mon, Oct 22, 2012 at 2:06 PM, Frederik Ramm <frede...@remote.org <mailto:frede...@remote.org>> wrote:

    Hi,

    On 10/22/12 12:07, Igor Brejc wrote:

         2. I generate a PDF map from that extract using an unpublished,

            closed-source software. The map includes the appropriate OSM
            attribution text.


         1. Is this possible?


    Yes (assuming that the PDF is not a database).

    >  2. What are my obligations in terms of ODbL license? What (if
    anything)

    >     do I have to provide, publish etc.?

    Recipients of the PDF, i.e. anyone who views iStockPhoto, would
    have the right to ask you to hand over the database on which the
    map is based. You would then have the option of saying "it's plain
    OSM, simply download it from <X>", or actually give them the data.

    If the closed software you have used did not work on the data
    directly, but on some sort of pre-processed or augmented data,
    then *that* would be the data you have to hand over.

         3. Would there be a difference if it was PNG/SVG instead of PDF?


    I don't think so.

         4. Can the buyer of such a map then password-protect his own
        resulting

            work (which includes that map)?


    Yes. You will have sold him the work under the condition that he
    continues to attribute OSM, but other than that he has no
    obligations (unless you put some in).

    If you sell the work with an OSM attribution but without the
    condition to perpetuate that attribution, you may be in breach of
    ODbL or you may not; this depends on how you interpret the
    "suitably calculated to make anyone ... aware" clause.

    Bye
    Frederik

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