public static void Area()
{
IsoscelesRightTriangle triangle = new IsoscelesRightTriangle(4);
double area = triangle.Area();
Assert.AreEqual(8, area, Tolerance);
}
public static void LocalCoordinates()
{
IsoscelesRightTriangle triangle = new IsoscelesRightTriangle(4);
IList <CartesianCoordinate> coordinates = triangle.LocalCoordinates();
Assert.AreEqual(3, coordinates.Count);
Assert.AreEqual(triangleCoordinates[0].X, coordinates[0].X);
Assert.AreEqual(triangleCoordinates[0].Y, coordinates[0].Y, Tolerance);
Assert.AreEqual(triangleCoordinates[1], coordinates[1]);
Assert.AreEqual(triangleCoordinates[2], coordinates[2]);
}
public async Task OnPostAsync()
{
//todo: remove try/catch once exception middleware is put in place
try
{
FoundTriangle = await _funWithGeoApiClient.FindTriangleByLabelAsync(Label);
}
catch (Exception)
{
//todo: create exception handling middleware, should be able to bubble api exceptions from internal micro-services to the UI
//im taking a shortcut for now...swallowing exception not goody!
FoundTriangle = null;
}
}
public static void Initialization_with_Coordinates_Creates_Shape()
{
IsoscelesRightTriangle triangle = new IsoscelesRightTriangle(4);
Assert.AreEqual(GeometryLibrary.ZeroTolerance, triangle.Tolerance);
Assert.AreEqual(3, triangle.Points.Count);
Assert.AreEqual(triangleCoordinates[0].X, triangle.SideA.I.X);
Assert.AreEqual(triangleCoordinates[0].Y, triangle.SideA.I.Y, Tolerance);
Assert.AreEqual(triangleCoordinates[1], triangle.SideA.J);
Assert.AreEqual(triangleCoordinates[1], triangle.SideB.I);
Assert.AreEqual(triangleCoordinates[2], triangle.SideB.J);
Assert.AreEqual(triangleCoordinates[2], triangle.SideC.I);
Assert.AreEqual(triangleCoordinates[0].X, triangle.SideC.J.X);
Assert.AreEqual(triangleCoordinates[0].Y, triangle.SideC.J.Y, Tolerance);
Assert.AreEqual(3, triangle.Sides.Count);
Assert.AreEqual(4, triangle.SideA.Length(), Tolerance);
Assert.AreEqual(5.656854249, triangle.SideB.Length(), Tolerance);
Assert.AreEqual(4, triangle.SideC.Length(), Tolerance);
Assert.AreEqual(3, triangle.Angles.Count);
Assert.AreEqual(45, triangle.AngleA.Degrees, Tolerance);
Assert.AreEqual(90, triangle.AngleB.Degrees, Tolerance);
Assert.AreEqual(45, triangle.AngleC.Degrees, Tolerance);
Assert.AreEqual(2.82843, triangle.h, Tolerance);
Assert.AreEqual(1.333333, triangle.Centroid.X, Tolerance);
Assert.AreEqual(1.333333, triangle.Centroid.Y, Tolerance);
Assert.AreEqual(0, triangle.OrthoCenter.X, Tolerance);
Assert.AreEqual(0, triangle.OrthoCenter.Y, Tolerance);
Assert.AreEqual(2.828427125, triangle.CircumRadius, Tolerance);
Assert.AreEqual(2, triangle.CircumCenter.X, Tolerance);
Assert.AreEqual(2, triangle.CircumCenter.Y, Tolerance);
Assert.AreEqual(1.171572875, triangle.InRadius, Tolerance);
Assert.AreEqual(1.171572875, triangle.InCenter.X, Tolerance);
Assert.AreEqual(1.171572875, triangle.InCenter.Y, Tolerance);
}
private IsoscelesRightTriangle CreateTriangleFromCoordinates(Coordinate coor1, Coordinate coor2,
Coordinate coor3, string label)
{
//right sight up triangle:
Coordinate newCoor1 = (Coordinate)coor1.Clone();
Coordinate newCoor2 = (Coordinate)coor2.Clone();
Coordinate newCoor3 = (Coordinate)coor3.Clone();
List <Coordinate> triangleCoorindates = new List <Coordinate>
{
newCoor1,
newCoor2,
newCoor3
};
var newTriangle = new IsoscelesRightTriangle(_properties.NonHypotenuseSideLengthInPixels, triangleCoorindates, label);
return(newTriangle);
}
public Vertex[] GetTriangleByLabel(string Label)
{
string UCLabel = Label.ToUpper().Trim();
this.InitializeTriangleGrid();
Vertex[] verts = null;
var triangles = from triangle in lstIRT
where triangle.Label == UCLabel
select triangle;
if (triangles.Count() == 1)
{
IsoscelesRightTriangle irt = triangles.ToArray()[0];
verts = irt.Vertices;
}
return(verts);
}
public string GetTriangleByVertices(int x1, int y1, int x2, int y2, int x3, int y3)
{
this.InitializeTriangleGrid();
Vertex v1 = new Vertex(x1, y1);
Vertex v2 = new Vertex(x2, y2);
Vertex v3 = new Vertex(x3, y3);
string Label = string.Empty;
var triangles = from triangle in lstIRT
where triangle.Vertices.Contains(v1) && triangle.Vertices.Contains(v2) && triangle.Vertices.Contains(v3)
select triangle;
if (triangles.Count() == 1)
{
IsoscelesRightTriangle irt = triangles.ToArray()[0];
Label = irt.Label;
}
return(Label);
}
