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Date: Fri, 17 Jul 2015 07:39:04 +0000 (UTC)
From: "Martin Desruisseaux (JIRA)" <jira@apache.org>
To: legal-discuss@apache.org
Message-ID: <JIRA.12676347.1383060605000.212626.1437118744760@Atlassian.JIRA>
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Subject: [jira] [Commented] (LEGAL-183) Is Apache software allowed to
 distribute the EPSG database?
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    [ https://issues.apache.org/jira/browse/LEGAL-183?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14630906#comment-14630906 ] 

Martin Desruisseaux commented on LEGAL-183:
-------------------------------------------

Thanks for the explanation. #2 would be more practical for us than #4 because we can not take the latest version before verifying that the code still work with that version (sometime changes in the EPSG dataset require adjustments in the Apache code), and because we add index on the columns that we query often.

What would look like a separated download for a library (given that a library is not expected to have interaction with users)? Would it be an HTML page with explanation where the user is asked to put the downloaded file in a specific directory?

> Is Apache software allowed to distribute the EPSG database?
> -----------------------------------------------------------
>
>                 Key: LEGAL-183
>                 URL: https://issues.apache.org/jira/browse/LEGAL-183
>             Project: Legal Discuss
>          Issue Type: Question
>            Reporter: Martin Desruisseaux
>
> The EPSG geodetic parameter dataset is a freely available structured repository of data used in geospatial applications. This dataset is of critical importance to the Apache Spatial Information System (SIS) project. The distribution terms have some conditions for which I would like advices. But before, some context:
> * EPSG is only data, no software.
> * The EPSG database is maintained by the "International Association of Oil & Gas Producers" (OGP) and members are big companies like Shell.
> * Oil & Gas producers maintain and provide the EPSG database free of charge because the cost of installing a drilling platform in the wrong location is too high. Since they rely on maps and data produced by various actors (national map agencies, etc.), it is in their best interest that those actors have access to the most accurate Map Projection definitions when they create their data.
> * The EPSG database, or something equivalent, is critical to a Spatial Information System. Apache SIS without EPSG would probably lost a lot of its interest. For example EPSG codes are the the-facto standard in most Web Map Services.
> * I'm not aware of any freely available alternative to the EPSG database, and it would be impossible for us to create one.
> * Open source and commercial products like Proj.4 (MIT license), PostGIS, GDAL, MapServer, Geoserver (GPL license), ESRI, Oracle Spatial and many other all include the EPSG database (or a subset of it) in derived forms. I think that basically all major GIS products around the world include the EPSG database in one form or the other.
> The Term of Uses are there:
> http://www.epsg-registry.org/help/xml/Terms_Of_Use.html
> We can read "The EPSG Facilities are published by OGP at no charge. Distribution for profit is forbidden" followed by "The data may be included in any commercial package provided that any commerciality is based on value added by the provider and not on a value ascribed to the EPSG Dataset which is made available at no charge". My interpretation is that anyone is allowed to distribute Apache SIS + EPSG for profit, but would not be allowed to extract the EPSG tables from Apache SIS and sell only them, without anything else. In other words, the restriction would not apply on Apache SIS but emerge on what is remaining after one deleted everything from Apache. Indeed, I have never hear about any legal dispute regarding other open source projects that distribute EPSG data for years.
> We can read "Ownership of the EPSG Dataset by OGP must be acknowledged in any publication or transmission (by whatever means) thereof (including permitted modifications)". Is it something that we can handle in the NOTICE file?
> Next, the Term of Uses page lists the kind of modifications that users are allowed to do and said "No data that has been modified other than as permitted in these Terms of Use shall be attributed to the EPSG Dataset". My understanding is that they are protecting the credibility of their name, in the same way that (I presume) the Apache foundation would not let a badly broken fork of an Apache project call itself "Apache Foo". Better example: if someone copy the ASCII table, then modify the definition of ASCII code 65 so that it stands for something else than "A", then this is not the ASCII table anymore. It may have legitimate use, but this is something else than ASCII. If we replace "ASCII" by "EPSG", we get the same situation. E.g. EPSG code 4326 stands for "World Geodetic System 1984". If someone change that definition, then this is not anymore the EPSG definition of code 4326.
> So would Apache SIS be allowed to bundle the EPSG database in its distribution, with a restriction that emerge only if the user delete all Apache work, and with a restriction to the changes that are allowed in the database? If the later point is problematic, would if be an acceptable workaround to use a mechanism that verify the database integrity (e.g. using a checksum) and automatically rename "EPSG" in something else if a change is detected?


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