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From "Henri Yandell (JIRA)" <j...@apache.org>
Subject [jira] [Closed] (LEGAL-183) Is Apache software allowed to distribute the EPSG database?
Date Fri, 26 Feb 2016 04:15:18 GMT

     [ https://issues.apache.org/jira/browse/LEGAL-183?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Henri Yandell closed LEGAL-183.
-------------------------------
    Resolution: Fixed

Summarizing for resolution.

Apache SIS may use the EPSG database. The inclusion should be appropriately, and prominently,
labelled; and you should review the license and comply with its terms.

The proposed approach looks good to me. I would expect, as a new user, to have the unusual
(for the ASF) licensing clearly pointed out to me, including a full copy of the terms. It
looks like the project should also state "We acknowledge ownership of the EPSG Dataset by
IOGP". 

If the database needs modifying, it should be renamed. In the need for such an event, I recommend
raising the topic on legal-discuss@ for feedback. 

Please reopen if needed. 

> 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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