//drawing Delaunay triangulation
private void button2_Click(object sender, EventArgs e)
{
triangleList = Delaunay_Service.BowyerWatsonAlgorithm(pointList);
Draw_Service.drawTriangle(bitmap, graphics, pictureBox1, triangleList);
//Laplace smoothing
if (checkBox1.Checked)
{
System.Threading.Thread.Sleep(3000);
//remove vertices of supertriangle from list
pointList.RemoveAt(pointList.Count - 1);
pointList.RemoveAt(pointList.Count - 1);
pointList.RemoveAt(pointList.Count - 1);
List <PointF> laplacePoints = new List <PointF>();
List <Triangle> smoothTriangles = new List <Triangle>();
laplacePoints = Laplace_Service.Laplace(triangleList, pointList);
smoothTriangles = Delaunay_Service.BowyerWatsonAlgorithm(laplacePoints);
Bitmap bitmap2 = new Bitmap(pictureBox1.Size.Width, pictureBox1.Size.Height);
graphics = Graphics.FromImage(bitmap2);
Draw_Service.drawPoints(bitmap2, graphics, pictureBox1, laplacePoints);
Draw_Service.drawTriangle(bitmap2, graphics, pictureBox1, smoothTriangles);
}
}
//drawing Voronoi diagram
private void button3_Click(object sender, EventArgs e)
{
triangleList = Delaunay_Service.BowyerWatsonAlgorithm(pointList);
triangleList = Delaunay_Service.BowyerWatsonAlgorithm(pointList);
VoronoiDiagram = Voronoi_Service.DelaunayToVoronoi(triangleList);
Draw_Service.drawDiagram(bitmap, graphics, pictureBox1, VoronoiDiagram);
//Laplace smoothing
if (checkBox1.Checked)
{
System.Threading.Thread.Sleep(3000);
List <PointF> laplacePoints = new List <PointF>();
List <Triangle> smoothTriangles = new List <Triangle>();
laplacePoints = Laplace_Service.Laplace(triangleList, pointList);
smoothTriangles = Delaunay_Service.BowyerWatsonAlgorithm(laplacePoints);
Bitmap bitmap2 = new Bitmap(pictureBox1.Size.Width, pictureBox1.Size.Height);
graphics = Graphics.FromImage(bitmap2);
List <Edge> laplaceEdges = new List <Edge>();
laplaceEdges = Voronoi_Service.DelaunayToVoronoi(smoothTriangles);
Draw_Service.drawPoints(bitmap2, graphics, pictureBox1, laplacePoints);
Draw_Service.drawDiagram(bitmap2, graphics, pictureBox1, laplaceEdges);
}
}
//drawing random points on picturebox - number of points enter by user
private void button1_Click(object sender, EventArgs e)
{
pointList = Draw_Service.drawRandomPoints(bitmap, graphics, pictureBox1, Int32.Parse(textBox1.Text), pictureBox1.Size.Width, pictureBox1.Size.Height);
}