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Fast Voronoi Diagram in C#

, 15 Jul 2014 CPOL
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Fortune Voronoi Diagram in C#

Introduction

This project implements Steve Fortune's algorithm for Voronoi diagram in C#.

I translated the algorithm to C# from Zhenyu Pan's Java version.

The Project

The project is divided into two parts:

  1. Files: Voronoi.cs, VoronoiElements.cs are the algorithm itself, for your projects, you need these files.
  2. The program itself is a simple demonstration to test the code and show how it is used.

The project is done in SharpDevelop, EXE file is found in \Voronoi2\bin\Debug\ path.

How to Use the Code in Your Projects

This is very simple, you need the files: Voronoi.cs, VoronoiElements.cs.

In your code, create a "Voronoi" object.

Create two arrays for X, Y coordinates of any given set of locations.

Use the function "generateVoronoi", provide the function with those arrays.

For example:

// Create Voronoi Object
Voronoi voroObject = new Voronoi ( Error_Margin_Between_Sites );
// Generate the diagram
List<GraphEdge> ge = voroObject.generateVoronoi ( xVal, yVal, 0, width, 0, height );
// where xVal, yVal are arrays for X,Y coordinates,
// the remaining parameters describe the surrounding box around all the sites
// ge the resulting Voronoi Edges

You get a List of voronoi edges. "ge" in the example.

The code doesn't calculate Voronoi Cells, but having those edges you can do it easily.

References

License

This article, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)

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About the Author

Burhan Joukhadar
United States United States
No Biography provided

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Comments and Discussions

 
QuestionGood Job Pin
Member 1150660428-Feb-16 12:19
memberMember 1150660428-Feb-16 12:19 
QuestionHow to compute voronoi cells as polygons Pin
GeoGecco16-Jul-15 23:53
memberGeoGecco16-Jul-15 23:53 
AnswerRe: How to compute voronoi cells as polygons Pin
adamhancock8-Apr-16 11:58
memberadamhancock8-Apr-16 11:58 
Questionvery excellent and one question Pin
xu19829-Jan-15 18:16
memberxu19829-Jan-15 18:16 
AnswerRe: very excellent and one question Pin
Burhan Joukhadar16-Mar-15 3:57
memberBurhan Joukhadar16-Mar-15 3:57 
GeneralEXCELLENT!!! Pin
pan0547-Dec-14 8:58
memberpan0547-Dec-14 8:58 
GeneralRe: EXCELLENT!!! Pin
Burhan Joukhadar16-Mar-15 3:07
memberBurhan Joukhadar16-Mar-15 3:07 
QuestionWell Done. Pin
bwishniak20-Aug-14 10:01
memberbwishniak20-Aug-14 10:01 
AnswerRe: Well Done. Pin
Burhan Joukhadar21-Aug-14 12:19
memberBurhan Joukhadar21-Aug-14 12:19 
GeneralMy vote of 5 Pin
AB Yazan Ghoka18-Jul-14 9:40
memberAB Yazan Ghoka18-Jul-14 9:40 
GeneralRe: My vote of 5 Pin
Burhan Joukhadar18-Jul-14 9:49
memberBurhan Joukhadar18-Jul-14 9:49 
GeneralMy vote of 5 Pin
TheQult15-Jul-14 23:14
memberTheQult15-Jul-14 23:14 
GeneralRe: My vote of 5 Pin
Burhan Joukhadar18-Jul-14 3:45
memberBurhan Joukhadar18-Jul-14 3:45 
GeneralMy vote of 1 Pin
Jackson Savitraz15-Jul-14 20:29
memberJackson Savitraz15-Jul-14 20:29 
GeneralRe: My vote of 1 Pin
Burhan Joukhadar18-Jul-14 3:37
memberBurhan Joukhadar18-Jul-14 3:37 
GeneralMy vote of 1 Pin
.dan.g.15-Jul-14 19:49
mvp.dan.g.15-Jul-14 19:49 
GeneralRe: My vote of 1 Pin
Burhan Joukhadar18-Jul-14 3:37
memberBurhan Joukhadar18-Jul-14 3:37 
GeneralRe: My vote of 1 Pin
.dan.g.18-Jul-14 17:16
mvp.dan.g.18-Jul-14 17:16 
GeneralMy vote of 1 Pin
pstjean15-Jul-14 12:56
memberpstjean15-Jul-14 12:56 
GeneralRe: My vote of 1 Pin
Burhan Joukhadar18-Jul-14 9:50
memberBurhan Joukhadar18-Jul-14 9:50 

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