[geos-devel] GSoC Weekly Report

vishal tiwari hi.vishal123 at gmail.com
Fri Jun 21 11:47:52 PDT 2013

*Week 1*

*1. Work Done :*

   - Have ported the methods that are in
   geos/triangualte/quadedge/QuadEdgeSubdivion.cpp. The methods are as such:
      - getVoronoiDiagram : Gets the cells in the Voronoi diagram for a
      - getVoronoiCellPolygons : Gets the polygons for the Voronoi Cells
      for a triangulation.
      - getVoronoiCellPolygon : Gets the Voronoi cell around a site
      specified by the origin of a
      - getVertexUniqueEdges : Gets a collection of
QuadEdges?<http://trac.osgeo.org/geos/wiki/QuadEdges> whose
      origin vertices are a unique set which includes all vertices in the
      subdivision. The frame vertices can be included if required.
   - Class TriangleCircumcentreVisitor?<http://trac.osgeo.org/geos/wiki/TriangleCircumcentreVisitor>
   also ported.
   - More methods like geos::geom::Triangle::circumcentre, and
   geos::geom::closeRing that were required in the above functions were also

*2. Problem Faced :*

   - I am having some silly problems during compilation which i am working
   out with strk, it will be solved soon.

*3. Work to be done in the next week :*

   - Solve the errors that are coming as of now.
   - Port the classes left, and see the working of the methods ported.
   - Start with the port of class

Vishal Tiwari
Computer Science and Engineering
Lab for Spatial Informatics
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