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Update test app input generators

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git-svn-id: https://triangle.svn.codeplex.com/svn@75066 0e2699bc-83d4-4a8f-98e7-55e24ab8c7a5
This commit is contained in:
SND\wo80_cp
2014-06-05 12:09:11 +00:00
parent f89c773746
commit e2fcbf3675
3 changed files with 88 additions and 91 deletions
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Triangle.NET/TestApp/Generators/BaseGenerator.cs
+74
View File
@@ -7,6 +7,7 @@
namespace MeshExplorer.Generators
{
using System;
using System.Collections.Generic;
using TriangleNet.Geometry;
/// <summary>
@@ -52,6 +53,79 @@ namespace MeshExplorer.Generators
public abstract IPolygon Generate(double param0, double param1, double param2);
#region Contour helpers
protected List<Vertex> CreateCircle(double r, int n, int boundary = 0)
{
return CreateCircle(0.0, 0.0, r, n, boundary);
}
protected List<Vertex> CreateCircle(double x, double y, double r, int n, int boundary = 0)
{
return CreateEllipse(0.0, 0.0, r, 1.0, 1.0, n, boundary);
}
protected List<Vertex> CreateEllipse(double r, double a, double b, int n, int boundary = 0)
{
return CreateEllipse(0.0, 0.0, r, a, b, n, boundary);
}
protected List<Vertex> CreateEllipse(double x, double y, double r, double a, double b, int n, int boundary = 0)
{
var contour = new List<Vertex>(n);
double dphi = 2 * Math.PI / n;
for (int i = 0; i < n; i++)
{
contour.Add(new Vertex(x + a * r * Math.Cos(i * dphi), y + b * r * Math.Sin(i * dphi), boundary));
}
return contour;
}
protected List<Vertex> CreateRectangle(Rectangle rect, int n, int boundary = 0)
{
return CreateRectangle(rect, n, n, boundary);
}
protected List<Vertex> CreateRectangle(Rectangle rect, int nH, int nV, int boundary = 0)
{
var contour = new List<Vertex>(2 * nH + 2 * nV);
// Horizontal and vertical step sizes.
double stepH = rect.Width / nH;
double stepV = rect.Height / nV;
// Left box boundary points
for (int i = 0; i < nV; i++)
{
contour.Add(new Vertex(rect.Left, rect.Bottom + i * stepV, 1));
}
// Top box boundary points
for (int i = 0; i < nH; i++)
{
contour.Add(new Vertex(rect.Left + i * stepH, rect.Top, 1));
}
// Right box boundary points
for (int i = 0; i < nV; i++)
{
contour.Add(new Vertex(rect.Right, rect.Top - i * stepV, 1));
}
// Bottom box boundary points
for (int i = 0; i < nH; i++)
{
contour.Add(new Vertex(rect.Right - i * stepH, rect.Bottom, 1));
}
return contour;
}
#endregion
protected int GetParamValueInt(int paramIndex, double paramOffset)
{
int[] range = ranges[paramIndex];
Triangle.NET/TestApp/Generators/BoxWithHole.cs
+7 -54
View File
@@ -31,66 +31,19 @@ namespace MeshExplorer.Generators
public override IPolygon Generate(double param0, double param1, double param2)
{
int numPoints = GetParamValueInt(1, param1);
int n = GetParamValueInt(1, param1);
var input = new Polygon(numPoints + 4);
double x, y, step = 2 * Math.PI / numPoints;
var input = new Polygon(n + 4);
double r = GetParamValueInt(2, param2);
// Generate circle
for (int i = 0; i < numPoints; i++)
{
x = r * Math.Cos(i * step);
y = r * Math.Sin(i * step);
// Generate circle (hole)
input.AddContour(CreateCircle(r, n, 1), 1, new Point(0, 0));
input.Add(new Vertex(x, y, 2));
input.Add(new Edge(i, (i + 1) % numPoints, 2));
}
n = GetParamValueInt(0, param0);
numPoints = input.Points.Count;
int numPointsB = GetParamValueInt(0, param0);
// Box sides are 100 units long
step = 100.0 / numPointsB;
// Left box boundary points
for (int i = 0; i < numPointsB; i++)
{
input.Add(new Vertex(-50, -50 + i * step, 1));
}
// Top box boundary points
for (int i = 0; i < numPointsB; i++)
{
input.Add(new Vertex(-50 + i * step, 50, 1));
}
// Right box boundary points
for (int i = 0; i < numPointsB; i++)
{
input.Add(new Vertex(50, 50 - i * step, 1));
}
// Bottom box boundary points
for (int i = 0; i < numPointsB; i++)
{
input.Add(new Vertex(50 - i * step, -50, 1));
}
// Add box segments
for (int i = numPoints; i < input.Count - 1; i++)
{
input.Add(new Edge(i, i + 1, 1));
}
// Add last segments which closes the box
input.Add(new Edge(input.Count - 1, numPoints, 1));
// Add hole
input.Holes.Add(new Point(0, 0));
// Generate box
input.AddContour(CreateRectangle(new Rectangle(-50, -50, 100, 100), n, 2), 2);
return input;
}
Triangle.NET/TestApp/Generators/CircleWithHole.cs
+7 -37
View File
@@ -6,10 +6,6 @@
namespace MeshExplorer.Generators
{
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using TriangleNet.Geometry;
/// <summary>
@@ -34,53 +30,27 @@ namespace MeshExplorer.Generators
{
// Number of points on the outer circle
int n = GetParamValueInt(0, param0);
int count, npoints;
double radius = GetParamValueInt(1, param1);
// Step size on the outer circle
double h = 2 * Math.PI * radius / n;
// Current radius and step size
double r, dphi;
double r, h = radius / n;
var input = new Polygon(n + 1);
// Inner cirlce (radius = 1)
// Inner cirlce (radius = 1) (hole)
r = 1;
npoints = (int)(2 * Math.PI * r / h);
dphi = 2 * Math.PI / npoints;
for (int i = 0; i < npoints; i++)
{
input.Add(new Vertex(r * Math.Cos(i * dphi), r * Math.Sin(i * dphi), 1));
input.Add(new Edge(i, (i + 1) % npoints, 1));
}
count = input.Count;
input.AddContour(CreateCircle(r, (int)(r / h), 1), 1, new Point(0, 0));
// Center cirlce
r = (radius + 1) / 2.0;
npoints = (int)(2 * Math.PI * r / h);
dphi = 2 * Math.PI / npoints;
for (int i = 0; i < npoints; i++)
{
input.Add(new Vertex(r * Math.Cos(i * dphi), r * Math.Sin(i * dphi), 2));
input.Add(new Edge(count + i, count + (i + 1) % npoints, 2));
}
r = (radius + 1.0) / 2.0;
input.AddContour(CreateCircle(r, (int)(r / h), 2), 2);
count = input.Count;
//count = input.Count;
// Outer cirlce
r = radius;
npoints = (int)(2 * Math.PI * r / h);
dphi = 2 * Math.PI / npoints;
for (int i = 0; i < npoints; i++)
{
input.Add(new Vertex(r * Math.Cos(i * dphi), r * Math.Sin(i * dphi), 3));
input.Add(new Edge(count + i, count + (i + 1) % npoints, 3));
}
input.Holes.Add(new Point(0, 0));
input.AddContour(CreateCircle(r, (int)(r / h), 3), 3);
// Regions: |++++++|++++++|---|
// r 1 0