void Create()
{
if (triangulation != null) viewport.Children.Remove(triangulation);
int count;
if (!int.TryParse(numPoints.Text, out count) && count < 10) count = 100;
triangulation = RandomTriangulation.Create(count, 10);
viewport.Children.Add(triangulation);
infoText.Text = string.Format("{0} tetrahedrons", triangulation.Count);
}
void Create()
{
if (triangulation != null)
{
viewport.Children.Remove(triangulation);
}
int count;
if (!int.TryParse(numPoints.Text, out count) && count < 10)
{
count = 100;
}
triangulation = RandomTriangulation.Create(count, 10);
viewport.Children.Add(triangulation);
infoText.Text = string.Format("{0} tetrahedrons", triangulation.Count);
}
void Create(bool uniform = false)
{
if (triangulation != null)
{
viewport.Children.Remove(triangulation);
}
// add file's path
string path = @"C:\Users\DEVMF\Desktop\File\VS\MIConvexHull-master\MIConvexHull-master\Examples\7DelaunayWPF\input.txt";
string[] textValue = System.IO.File.ReadAllLines(path);
int count;
if (!int.TryParse(numPoints.Text, out count) && count < 10)
{
count = 4097;
}
triangulation = RandomTriangulation.Create(count, 10, uniform, textValue);
viewport.Children.Add(triangulation);
infoText.Text = string.Format("{0} tetrahedrons", triangulation.Count);
}
/// <summary>
/// Creates a triangulation of random data.
/// For larger data sets it might be a good idea to separate the triangulation calculation
/// from creating the visual so that the triangulation can be computed on a separate threat.
/// </summary>
/// <param name="count">Number of vertices to generate</param>
/// <param name="radius">Radius of the vertices</param>
/// <returns>Triangulation</returns>
public static RandomTriangulation Create(int count, double radius)
{
Random rnd = new Random();
// generate some random points
Func <double> nextRandom = () => 2 * radius * rnd.NextDouble() - radius;
var vertices = Enumerable.Range(0, count)
.Select(_ => new Vertex(nextRandom(), nextRandom(), nextRandom()))
.ToList();
//var vertices = new List<Vertex>();
//int d = 4;
//double cs = 10.0;
//for (int i = 0; i < d; i++)
//{
// for (int j = 0; j < d; j++)
// {
// for (int k = 0; k < d; k++)
// {
// //vertices.Add(new Vertex(10 * i - 20 + rnd.NextDouble(), 10 * j - 20 - rnd.NextDouble(), 10 * k - 20 + rnd.NextDouble()));
// vertices.Add(new Vertex(-10 * i, 10 * j, 10 * k));
// }
// }
//}
// calculate the triangulation
var tetrahedrons = Triangulation.CreateDelaunay <Vertex, Tetrahedron>(vertices).Cells;
// create a model for each tetrahedron, pick a random color
Model3DGroup model = new Model3DGroup();
foreach (var t in tetrahedrons)
{
var color = Color.FromArgb((byte)255, (byte)rnd.Next(256), (byte)rnd.Next(256), (byte)rnd.Next(256));
model.Children.Add(t.CreateModel(color, radius));
}
//var redMaterial = new MaterialGroup
//{
// Children = new MaterialCollection
// {
// new DiffuseMaterial(Brushes.Red),
// // give it some shine
// new SpecularMaterial(Brushes.LightYellow, 2.0)
// }
//};
//var greenMaterial = new MaterialGroup
//{
// Children = new MaterialCollection
// {
// new DiffuseMaterial(Brushes.Green),
// // give it some shine
// new SpecularMaterial(Brushes.LightYellow, 2.0)
// }
//};
//var blueMaterial = new MaterialGroup
//{
// Children = new MaterialCollection
// {
// new DiffuseMaterial(Brushes.Blue),
// // give it some shine
// new SpecularMaterial(Brushes.LightYellow, 2.0)
// }
//};
//CylinderMesh c = new CylinderMesh() { Length = 10, Radius = 0.5 };
//model.Children.Add(new GeometryModel3D { Geometry = c.Geometry, Material = greenMaterial });
//model.Children.Add(new GeometryModel3D { Geometry = c.Geometry, Material = redMaterial, Transform = new RotateTransform3D(new AxisAngleRotation3D(new Vector3D(0, 0, 1), 90)) });
//model.Children.Add(new GeometryModel3D { Geometry = c.Geometry, Material = blueMaterial, Transform = new RotateTransform3D(new AxisAngleRotation3D(new Vector3D(1, 0, 0), 90)) });
var triangulation = new RandomTriangulation();
triangulation.tetrahedrons = tetrahedrons;
// assign the Visual3DModel property of the ModelVisual3D class
triangulation.Visual3DModel = model;
return(triangulation);
}
/// <summary>
/// Creates a triangulation of random data.
/// For larger data sets it might be a good idea to separate the triangulation calculation
/// from creating the visual so that the triangulation can be computed on a separate threat.
/// </summary>
/// <param name="count">Number of vertices to generate</param>
/// <param name="radius">Radius of the vertices</param>
/// <returns>Triangulation</returns>
public static RandomTriangulation Create(int count, double radius)
{
Random rnd = new Random();
// generate some random points
Func<double> nextRandom = () => 2 * radius * rnd.NextDouble() - radius;
var vertices = Enumerable.Range(0, count)
.Select(_ => new Vertex(nextRandom(), nextRandom(), nextRandom()))
.ToList();
//var vertices = new List<Vertex>();
//int d = 4;
//double cs = 10.0;
//for (int i = 0; i < d; i++)
//{
// for (int j = 0; j < d; j++)
// {
// for (int k = 0; k < d; k++)
// {
// //vertices.Add(new Vertex(10 * i - 20 + rnd.NextDouble(), 10 * j - 20 - rnd.NextDouble(), 10 * k - 20 + rnd.NextDouble()));
// vertices.Add(new Vertex(-10 * i, 10 * j, 10 * k));
// }
// }
//}
// calculate the triangulation
var tetrahedrons = Triangulation.CreateDelaunay<Vertex, Tetrahedron>(vertices).Cells;
// create a model for each tetrahedron, pick a random color
Model3DGroup model = new Model3DGroup();
foreach (var t in tetrahedrons)
{
var color = Color.FromArgb((byte)255, (byte)rnd.Next(256), (byte)rnd.Next(256), (byte)rnd.Next(256));
model.Children.Add(t.CreateModel(color, radius));
}
//var redMaterial = new MaterialGroup
//{
// Children = new MaterialCollection
// {
// new DiffuseMaterial(Brushes.Red),
// // give it some shine
// new SpecularMaterial(Brushes.LightYellow, 2.0)
// }
//};
//var greenMaterial = new MaterialGroup
//{
// Children = new MaterialCollection
// {
// new DiffuseMaterial(Brushes.Green),
// // give it some shine
// new SpecularMaterial(Brushes.LightYellow, 2.0)
// }
//};
//var blueMaterial = new MaterialGroup
//{
// Children = new MaterialCollection
// {
// new DiffuseMaterial(Brushes.Blue),
// // give it some shine
// new SpecularMaterial(Brushes.LightYellow, 2.0)
// }
//};
//CylinderMesh c = new CylinderMesh() { Length = 10, Radius = 0.5 };
//model.Children.Add(new GeometryModel3D { Geometry = c.Geometry, Material = greenMaterial });
//model.Children.Add(new GeometryModel3D { Geometry = c.Geometry, Material = redMaterial, Transform = new RotateTransform3D(new AxisAngleRotation3D(new Vector3D(0, 0, 1), 90)) });
//model.Children.Add(new GeometryModel3D { Geometry = c.Geometry, Material = blueMaterial, Transform = new RotateTransform3D(new AxisAngleRotation3D(new Vector3D(1, 0, 0), 90)) });
var triangulation = new RandomTriangulation();
triangulation.tetrahedrons = tetrahedrons;
// assign the Visual3DModel property of the ModelVisual3D class
triangulation.Visual3DModel = model;
return triangulation;
}
/// <summary>
/// Creates a triangulation of random data.
/// For larger data sets it might be a good idea to separate the triangulation calculation
/// from creating the visual so that the triangulation can be computed on a separate threat.
/// </summary>
/// <param name="count">Number of vertices to generate</param>
/// <param name="radius">Radius of the vertices</param>
/// <param name="uniform"></param>
/// <returns>Triangulation</returns>
public static RandomTriangulation Create(int count, double radius, bool uniform)
{
Random rnd = new Random();
List <Vertex> vertices;
if (!uniform)
{
// generate some random points
Func <double> nextRandom = () => 2 * radius * rnd.NextDouble() - radius;
vertices = Enumerable.Range(0, count)
.Select(_ => new Vertex(nextRandom(), nextRandom(), nextRandom()))
.ToList();
}
else
{
vertices = new List <Vertex>();
int d = Math.Max((int)Math.Ceiling(Math.Sqrt(count)) / 2, 3);
double cs = 2 * radius / (d - 1);
for (int i = 0; i < d; i++)
{
for (int j = 0; j < d; j++)
{
for (int k = 0; k < d; k++)
{
vertices.Add(new Vertex(cs * i - cs * (d - 1) / 2, cs * j - cs * (d - 1) / 2, cs * k - cs * (d - 1) / 2));
}
}
}
}
// calculate the triangulation
var config = !uniform
? new TriangulationComputationConfig()
: new TriangulationComputationConfig
{
PointTranslationType = PointTranslationType.TranslateInternal,
PlaneDistanceTolerance = 0.000001,
// the translation radius should be lower than PlaneDistanceTolerance / 2
PointTranslationGenerator = TriangulationComputationConfig.RandomShiftByRadius(0.0000001, 0)
};
var tetrahedrons = Triangulation.CreateDelaunay <Vertex, Tetrahedron>(vertices, config).Cells;
// create a model for each tetrahedron, pick a random color
Model3DGroup model = new Model3DGroup();
foreach (var t in tetrahedrons)
{
var color = Color.FromArgb((byte)255, (byte)rnd.Next(256), (byte)rnd.Next(256), (byte)rnd.Next(256));
model.Children.Add(t.CreateModel(color, radius));
}
//var redMaterial = new MaterialGroup
//{
// Children = new MaterialCollection
// {
// new DiffuseMaterial(Brushes.Red),
// // give it some shine
// new SpecularMaterial(Brushes.LightYellow, 2.0)
// }
//};
//var greenMaterial = new MaterialGroup
//{
// Children = new MaterialCollection
// {
// new DiffuseMaterial(Brushes.Green),
// // give it some shine
// new SpecularMaterial(Brushes.LightYellow, 2.0)
// }
//};
//var blueMaterial = new MaterialGroup
//{
// Children = new MaterialCollection
// {
// new DiffuseMaterial(Brushes.Blue),
// // give it some shine
// new SpecularMaterial(Brushes.LightYellow, 2.0)
// }
//};
//CylinderMesh c = new CylinderMesh() { Length = 10, Radius = 0.5 };
//model.Children.Add(new GeometryModel3D { Geometry = c.Geometry, Material = greenMaterial });
//model.Children.Add(new GeometryModel3D { Geometry = c.Geometry, Material = redMaterial, Transform = new RotateTransform3D(new AxisAngleRotation3D(new Vector3D(0, 0, 1), 90)) });
//model.Children.Add(new GeometryModel3D { Geometry = c.Geometry, Material = blueMaterial, Transform = new RotateTransform3D(new AxisAngleRotation3D(new Vector3D(1, 0, 0), 90)) });
var triangulation = new RandomTriangulation();
triangulation.tetrahedrons = tetrahedrons;
// assign the Visual3DModel property of the ModelVisual3D class
triangulation.Visual3DModel = model;
return(triangulation);
}
/// <summary>
/// Creates a triangulation of random data.
/// For larger data sets it might be a good idea to separate the triangulation calculation
/// from creating the visual so that the triangulation can be computed on a separate threat.
/// </summary>
/// <param name="count">Number of vertices to generate</param>
/// <param name="radius">Radius of the vertices</param>
/// <param name="uniform"></param>
/// <returns>Triangulation</returns>
public static RandomTriangulation Create(int count, double radius, bool uniform, string[] textValue)
{
Random rnd = new Random();
List <Vertex> vertices = new List <Vertex>();
if (!uniform)
{
// generate some random points
//Func<double> nextRandom = () => 2 * radius * rnd.NextDouble() - radius;
//vertices = Enumerable.Range(0, count)
// .Select(_ => new Vertex(nextRandom(), nextRandom(), nextRandom()))
// .ToList();
for (int i = 0; i < textValue.Length; i += 3)
{
vertices.Add(new Vertex(Convert.ToDouble(textValue[i]), Convert.ToDouble(textValue[i + 1]), Convert.ToDouble(textValue[i + 2])));
}
}
else
{
vertices = new List <Vertex>();
int d = Math.Max((int)Math.Ceiling(Math.Sqrt(count)) / 2, 3);
double cs = 2 * radius / (d - 1);
for (int i = 0; i < d; i++)
{
for (int j = 0; j < d; j++)
{
for (int k = 0; k < d; k++)
{
vertices.Add(new Vertex(cs * i - cs * (d - 1) / 2, cs * j - cs * (d - 1) / 2, cs * k - cs * (d - 1) / 2));
}
}
}
}
var tetrahedrons = Triangulation.CreateDelaunay <Vertex, Tetrahedron>(vertices).Cells;
// create a model for each tetrahedron, pick a random color
Model3DGroup model = new Model3DGroup();
foreach (var t in tetrahedrons)
{
var color = Color.FromArgb((byte)255, (byte)rnd.Next(256), (byte)rnd.Next(256), (byte)rnd.Next(256));
model.Children.Add(t.CreateModel(color, radius));
}
//var redMaterial = new MaterialGroup
//{
// Children = new MaterialCollection
// {
// new DiffuseMaterial(Brushes.Red),
// // give it some shine
// new SpecularMaterial(Brushes.LightYellow, 2.0)
// }
//};
//var greenMaterial = new MaterialGroup
//{
// Children = new MaterialCollection
// {
// new DiffuseMaterial(Brushes.Green),
// // give it some shine
// new SpecularMaterial(Brushes.LightYellow, 2.0)
// }
//};
//var blueMaterial = new MaterialGroup
//{
// Children = new MaterialCollection
// {
// new DiffuseMaterial(Brushes.Blue),
// // give it some shine
// new SpecularMaterial(Brushes.LightYellow, 2.0)
// }
//};
//CylinderMesh c = new CylinderMesh() { Length = 10, Radius = 0.5 };
//model.Children.Add(new GeometryModel3D { Geometry = c.Geometry, Material = greenMaterial });
//model.Children.Add(new GeometryModel3D { Geometry = c.Geometry, Material = redMaterial, Transform = new RotateTransform3D(new AxisAngleRotation3D(new Vector3D(0, 0, 1), 90)) });
//model.Children.Add(new GeometryModel3D { Geometry = c.Geometry, Material = blueMaterial, Transform = new RotateTransform3D(new AxisAngleRotation3D(new Vector3D(1, 0, 0), 90)) });
var triangulation = new RandomTriangulation();
triangulation.tetrahedrons = tetrahedrons;
int OBJIndex = 1, OBJTextureIndex = 1;
Dictionary <string, OBJNormalVertex> OBJNormalVertexList = new Dictionary <string, OBJNormalVertex>();
Dictionary <string, string> OBJTextureKeyList = new Dictionary <string, string>();
Dictionary <string, int> OBJTextureList = new Dictionary <string, int>();
foreach (var Element in vertices)
{
string textVertex = string.Format("v {0} {1} {2}", Element.Position[0], Element.Position[1], Element.Position[2]);
string textTexture = string.Format("vt {0} {1}", (Element.Position[0] + 50) / 100, (Element.Position[1] + 50) / 100);
OBJTextureKeyList.Add(textVertex, textTexture);
OBJNormalVertexList.Add(textVertex, new OBJNormalVertex(OBJIndex++, 0, new double[] { 0, 0, 0 }, ""));
if (OBJTextureList.ContainsKey(textTexture) == false)
{
OBJTextureList.Add(textTexture, OBJTextureIndex++);
}
}
foreach (var Element in tetrahedrons)
{
for (int i = 0; i < 3; i++)
{
string textVertex = string.Format("v {0} {1} {2}", Element.Vertices[i].Position[0], Element.Vertices[i].Position[1], Element.Vertices[i].Position[2]);
OBJNormalVertexList[textVertex].count++;
OBJNormalVertexList[textVertex].NormalVertex[0] += Element.Normal[0];
OBJNormalVertexList[textVertex].NormalVertex[1] += Element.Normal[1];
OBJNormalVertexList[textVertex].NormalVertex[2] += Element.Normal[2];
}
}
foreach (var Element in OBJNormalVertexList)
{
Element.Value.ArrangeNormalVertex();
}
using (System.IO.StreamWriter file = new System.IO.StreamWriter(@"C:\Users\DEVMF\Desktop\File\VS\MIConvexHull-master\MIConvexHull-master\Examples\7DelaunayWPF\output.txt"))
{
foreach (var Element in OBJNormalVertexList)
{
file.WriteLine(Element.Key);
}
file.WriteLine();
foreach (var Element in OBJNormalVertexList)
{
file.WriteLine(Element.Value.NormalVertexQuery);
}
file.WriteLine();
foreach (var Element in OBJTextureList)
{
file.WriteLine(Element.Key);
}
file.WriteLine();
foreach (var Element in tetrahedrons)
{
string query1 = string.Format("v {0} {1} {2}", Element.Vertices[0].Position[0], Element.Vertices[0].Position[1], Element.Vertices[0].Position[2]);
string query2 = string.Format("v {0} {1} {2}", Element.Vertices[1].Position[0], Element.Vertices[1].Position[1], Element.Vertices[1].Position[2]);
string query3 = string.Format("v {0} {1} {2}", Element.Vertices[2].Position[0], Element.Vertices[2].Position[1], Element.Vertices[2].Position[2]);
string face1 = string.Format("{0}/{1}/{2}", OBJNormalVertexList[query1].index, OBJTextureList[OBJTextureKeyList[query1]], OBJNormalVertexList[query1].index);
string face2 = string.Format("{0}/{1}/{2}", OBJNormalVertexList[query2].index, OBJTextureList[OBJTextureKeyList[query2]], OBJNormalVertexList[query2].index);
string face3 = string.Format("{0}/{1}/{2}", OBJNormalVertexList[query3].index, OBJTextureList[OBJTextureKeyList[query3]], OBJNormalVertexList[query3].index);
string face = string.Format("f {0} {1} {2}", face1, face2, face3);
file.WriteLine(face);
}
}
//foreach (var Element in OBJVertexAndVormalVertex)
// if (Element.Value.isNegative)
// OBJVertexTexture.Add(Element.Value.vertexTexture, VTindex++);
// assign the Visual3DModel property of the ModelVisual3D class
triangulation.Visual3DModel = model;
return(triangulation);
}
/// <summary>
/// Creates a triangulation of random data.
/// For larger data sets it might be a good idea to separate the triangulation calculation
/// from creating the visual so that the triangulation can be computed on a separate threat.
/// </summary>
/// <param name="count">Number of vertices to generate</param>
/// <param name="radius">Radius of the vertices</param>
/// <param name="uniform"></param>
/// <returns>Triangulation</returns>
public static RandomTriangulation Create(int count, double radius, bool uniform)
{
Random rnd = new Random();
List<Vertex> vertices;
if (!uniform)
{
// generate some random points
Func<double> nextRandom = () => 2 * radius * rnd.NextDouble() - radius;
vertices = Enumerable.Range(0, count)
.Select(_ => new Vertex(nextRandom(), nextRandom(), nextRandom()))
.ToList();
}
else
{
vertices = new List<Vertex>();
int d = Math.Max((int)Math.Ceiling(Math.Sqrt(count)) / 2, 3);
double cs = 2 * radius / (d - 1);
for (int i = 0; i < d; i++)
{
for (int j = 0; j < d; j++)
{
for (int k = 0; k < d; k++)
{
vertices.Add(new Vertex(cs * i - cs * (d - 1) / 2, cs * j - cs * (d - 1) / 2, cs * k - cs * (d - 1) / 2));
}
}
}
}
// calculate the triangulation
var config = !uniform
? new TriangulationComputationConfig()
: new TriangulationComputationConfig
{
PointTranslationType = PointTranslationType.TranslateInternal,
PlaneDistanceTolerance = 0.000001,
// the translation radius should be lower than PlaneDistanceTolerance / 2
PointTranslationGenerator = TriangulationComputationConfig.RandomShiftByRadius(0.0000001, 0)
};
var tetrahedrons = Triangulation.CreateDelaunay<Vertex, Tetrahedron>(vertices, config).Cells;
// create a model for each tetrahedron, pick a random color
Model3DGroup model = new Model3DGroup();
foreach (var t in tetrahedrons)
{
var color = Color.FromArgb((byte)255, (byte)rnd.Next(256), (byte)rnd.Next(256), (byte)rnd.Next(256));
model.Children.Add(t.CreateModel(color, radius));
}
//var redMaterial = new MaterialGroup
//{
// Children = new MaterialCollection
// {
// new DiffuseMaterial(Brushes.Red),
// // give it some shine
// new SpecularMaterial(Brushes.LightYellow, 2.0)
// }
//};
//var greenMaterial = new MaterialGroup
//{
// Children = new MaterialCollection
// {
// new DiffuseMaterial(Brushes.Green),
// // give it some shine
// new SpecularMaterial(Brushes.LightYellow, 2.0)
// }
//};
//var blueMaterial = new MaterialGroup
//{
// Children = new MaterialCollection
// {
// new DiffuseMaterial(Brushes.Blue),
// // give it some shine
// new SpecularMaterial(Brushes.LightYellow, 2.0)
// }
//};
//CylinderMesh c = new CylinderMesh() { Length = 10, Radius = 0.5 };
//model.Children.Add(new GeometryModel3D { Geometry = c.Geometry, Material = greenMaterial });
//model.Children.Add(new GeometryModel3D { Geometry = c.Geometry, Material = redMaterial, Transform = new RotateTransform3D(new AxisAngleRotation3D(new Vector3D(0, 0, 1), 90)) });
//model.Children.Add(new GeometryModel3D { Geometry = c.Geometry, Material = blueMaterial, Transform = new RotateTransform3D(new AxisAngleRotation3D(new Vector3D(1, 0, 0), 90)) });
var triangulation = new RandomTriangulation();
triangulation.tetrahedrons = tetrahedrons;
// assign the Visual3DModel property of the ModelVisual3D class
triangulation.Visual3DModel = model;
return triangulation;
}
