VagueGeometry Licensing
==================

This file attempts to include all licenses that apply within the VagueGeometry
source code, in particular any that are supposed to be exposed to the end
user for credit requirements for instance. 

VagueGeometry Development
----------------

It was fully designed and implemented by Anderson Chaves Carniel (USP/UFSCar - Brazil)
Research Gate: https://www.researchgate.net/profile/Anderson_Chaves_Carniel

Any questions, please send an email to accarniel@gmail.com

Please, cite VagueGeometry in your work as:

Carniel, A. C.; Ciferri, R. R.; Ciferri, C. D. A. The VagueGeometry Abstract Data Type. 
Journal of Information and Data Management, vol. 7, n. 1, p. 18-34, 2016.

VagueGeometry General
----------------

In general, VagueGeometry may be distributed and/or modified under the conditions
of the GNU General Public License, either version 2 or (at your option) any
later version. Please refer to the COPYING file for details.

VagueGeometry has dependencies on other libraries which are not under GPL and
that are commonly distributed with PostGIS core libraries.  In general,
these are dynamically linked libraries. Libraries are:

Proj4 - http://proj.osgeo.org -- X/MIT License
GEOS - http://geos.osgeo.org -- LGPL License
LibXML - http://xmlsoft.org/ -- X/MIT License
GDAL - http://gdal.osgeo.org/ -- X/MIT Style License

In addition, VagueGeometry is an extension of the PostGIS, which has GNU license.
Therefore, consider also to use the LICENSE.txt from the PostGIS source code.

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The documentation for VagueGeometry is publicly available at 
http://gbd.dc.ufscar.br/vaguegeometry/ and https://github.com/accarniel/VagueGeometry/wiki