PyGTS 0.3.1

PyGTS is an open source and Python based package used to construct, manipulate, and perform computations on triangulated surfaces.
PyGTS is a hand-crafted and pythonic binding for the GNU Triangulated Surface (GTS) Library.

Main features:
- Simple object-oriented structure giving easy access to topological properties.
- 2D dynamic Delaunay and constrained Delaunay triangulations.
- Robust geometric predicates (orientation, in circle) using fast adaptive floating point arithmetic.
- Robust set operations on surfaces (union, intersection, difference).
- Surface refinement and coarsening (multiresolution models).
- Dynamic view-independent continuous level-of-detail.
- Preliminary support for view-dependent level-of-detail.
- Bounding-boxes trees and Kd-trees for efficient point location and collision/intersection detection.
- Graph operations: traversal, graph partitioning.
- Metric operations (area, volume, curvature ...).
- Triangle strips generation for fast rendering.

System requirements:
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Enhancements
- Corrected internal typecasting for vertices. This fixes problems
- with using list of numbers as vertices.
- Improved cleanup code
- Build specifically for i386 of PPC under Mac OS X