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2003-11-06

Initial development of GEOS was funded by:

  Vivid Solutions Inc (www.vividsolutions.com)
  Refractions Research Inc (www.refractions.net)
  British Columbia Advanced Systems Institute (www.asi.bc.ca)

GEOS is based on algorithms originally developed in Java
by Martin Davis (mbdavis@refractions.net) in the 
JTS Topology Suite (www.vividsolutions.com/jts/jtshome.htm)

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2004 to 2006 

Continued development of GEOS funded by Refractions Research Inc.

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2006

Continued development of GEOS funded by Refractions Research Inc.

Inclusion of new JTS functionality in JTS 1.5 to 1.7 funded 
by Safe Software and Autodesk.

Improved robustness of geometric operations for GEOS 3.0.0 funded 
by the Bavarian State Ministry of Agriculture and Forestry and the 
State Survey of Bavaria.

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Developers:

  Yury Bychkov (me@yury.ca) - Initial Porting
  Sandro Santilli (strk@keybit.net) - Bug Fixing / Maintenance
  Martin Davis (mbdavis@refractions.net) - Architecture
  Dave Blasby (dblasby@gmail.com) - PostGIS Connectivity
  Norman Vine (nvine@cape.com) - Porting / C++ Expertise
  Fernando Villa (fvilla@zoo.uvm.edu) - GNU Build System
  Paul Ramsey (pramsey@refractions.net) - Coordination / Build
  Sean Gillies (sgillies@frii.com) - Scripting Interface
  Frank Warmerdam (warmerdam@pobox.com) - VStudio porting
  Mateusz Loskot (mateusz@loskot.net) - Unit testing

