Computes a Delauanay Triangulation of a set of quadedge::Vertexes, using an incrementatal insertion algorithm. More...

#include <IncrementalDelaunayTriangulator.h>

Collaboration diagram for geos::triangulate::IncrementalDelaunayTriangulator:

Public Types
typedef std::vector< quadedge::Vertex >	VertexList

Public Member Functions
	IncrementalDelaunayTriangulator (quadedge::QuadEdgeSubdivision *subdiv)

void	insertSites (const VertexList &vertices)

quadedge::QuadEdge &	insertSite (const quadedge::Vertex &v)

Private Attributes
quadedge::QuadEdgeSubdivision *	subdiv

bool	isUsingTolerance

Detailed Description

Computes a Delauanay Triangulation of a set of quadedge::Vertexes, using an incrementatal insertion algorithm.

Author: JTS: Martin Davis; Benjamin Campbell

Definition at line 42 of file IncrementalDelaunayTriangulator.h.

Member Typedef Documentation

typedef std::vector<quadedge::Vertex> geos::triangulate::IncrementalDelaunayTriangulator::VertexList

Definition at line 57 of file IncrementalDelaunayTriangulator.h.

Constructor & Destructor Documentation

geos::triangulate::IncrementalDelaunayTriangulator::IncrementalDelaunayTriangulator ( quadedge::QuadEdgeSubdivision * subdiv )

Creates a new triangulator using the given quadedge::QuadEdgeSubdivision. The triangulator uses the tolerance of the supplied subdivision.

Parameters

subdiv a subdivision in which to build the TIN

Member Function Documentation

quadedge::QuadEdge& geos::triangulate::IncrementalDelaunayTriangulator::insertSite ( const quadedge::Vertex & v )

Inserts a new point into a subdivision representing a Delaunay triangulation, and fixes the affected edges so that the result is still a Delaunay triangulation.

Returns: a quadedge containing the inserted vertex

void geos::triangulate::IncrementalDelaunayTriangulator::insertSites ( const VertexList & vertices )

Inserts all sites in a collection. The inserted vertices MUST be unique up to the provided tolerance value. (i.e. no two vertices should be closer than the provided tolerance value). They do not have to be rounded to the tolerance grid, however.

Parameters

vertices a Collection of Vertex

Exceptions

LocateFailureException if the location algorithm fails to converge in a reasonable number of iterations