public void ValidLocation_ValidLocations_TrueReturned()
{
//Arrange
bool expected = true;
TriangularGrid tGrid = new TriangularGrid(60, 60, 10);
List <Coordinate> locations = new List <Coordinate>
{
new Coordinate {
X = 10, Y = 50
},
new Coordinate {
X = 20, Y = 50
},
new Coordinate {
X = 20, Y = 60
}
};
//Act
bool actual = tGrid.ValidLocations(locations);
//Assert
Assert.AreEqual(expected, actual);
}
public void ReturnsCorrectWidthAndHeight()
{
TriangularGrid triangularGrid = new TriangularGrid(60, 60, 10);
Assert.Equal(60, triangularGrid.Height);
Assert.Equal(60, triangularGrid.Width);
Assert.Equal(10, triangularGrid.CellSize);
}
public void ValidGridReference_ValidLastReference_TrueReturned()
{
//Arrange
bool expected = true;
TriangularGrid tGrid = new TriangularGrid(60, 60, 10);
string gRef = "F12";
//Act
bool actual = tGrid.ValidGridReference(gRef);
//Assert
Assert.AreEqual(expected, actual);
}
public void ValidGridReference_InvalidRow_FalseReturned()
{
//Arrange
bool expected = false;
TriangularGrid tGrid = new TriangularGrid(60, 60, 10);
string gRef = "A13";
//Act
bool actual = tGrid.ValidGridReference(gRef);
//Assert
Assert.AreEqual(expected, actual);
}
public void ValidLocation_InValidHeightLocations_FalseReturned()
{
//Arrange
bool expected = false;
int height = 60;
TriangularGrid tGrid = new TriangularGrid(height, 60, 10);
List <Coordinate> locations = new List <Coordinate>
{
new Coordinate {
X = 10, Y = height + 10
}
};
//Act
bool actual = tGrid.ValidLocations(locations);
//Assert
Assert.AreEqual(expected, actual);
}
public void ValidLocation_InValidWidthLocations_FalseReturned()
{
//Arrange
bool expected = false;
int width = 60;
TriangularGrid tGrid = new TriangularGrid(60, width, 10);
List <Coordinate> locations = new List <Coordinate>
{
new Coordinate {
X = width + 10, Y = 50
}
};
//Act
bool actual = tGrid.ValidLocations(locations);
//Assert
Assert.AreEqual(expected, actual);
}
public void ReturnsCorrectColumnCount()
{
TriangularGrid triangularGrid = new TriangularGrid(60, 60, 10);
Assert.Equal(12, triangularGrid.GetColumnCount());
}
public IGrid Provide(string filename)
{
TriangularGrid grid = new TriangularGrid();
var topology = new TriGridTopology();
if (File.Exists(filename))
{
StreamReader sr = new StreamReader(filename);
string line = sr.ReadLine();
string[] cstr = TypeConverterEx.Split <string>(line);
grid.VertexCount = int.Parse(cstr[2]);
grid.Vertex = new Coordinate[grid.VertexCount];
Dictionary <uint, List <uint> > map = new Dictionary <uint, List <uint> >();
for (uint i = 0; i < grid.VertexCount; i++)
{
line = sr.ReadLine();
cstr = TypeConverterEx.Split <string>(line);
grid.Vertex[i] = new Coordinate(double.Parse(cstr[1]), double.Parse(cstr[2]), double.Parse(cstr[3]));
map[i] = new List <uint>();
}
line = sr.ReadLine();
cstr = TypeConverterEx.Split <string>(line);
grid.CellCount = int.Parse(cstr[0]);
grid.Centroids = new Coordinate[grid.CellCount];
topology.VertexIndices = new uint[grid.CellCount][];
topology.NodeConnectedCells = new uint[grid.VertexCount][];
for (uint i = 0; i < grid.CellCount; i++)
{
double bathymetry = 0;
topology.VertexIndices[i] = new uint[3];
line = sr.ReadLine();
cstr = TypeConverterEx.Split <string>(line);
topology.VertexIndices[i][0] = uint.Parse(cstr[1]) - 1;
topology.VertexIndices[i][1] = uint.Parse(cstr[2]) - 1;
topology.VertexIndices[i][2] = uint.Parse(cstr[3]) - 1;
map[topology.VertexIndices[i][0]].Add(i);
map[topology.VertexIndices[i][1]].Add(i);
map[topology.VertexIndices[i][2]].Add(i);
bathymetry += (grid.Vertex[topology.VertexIndices[i][0]].Z + grid.Vertex[topology.VertexIndices[i][1]].Z
+ grid.Vertex[topology.VertexIndices[i][2]].Z) / 3.0;
Triangle trig = new Triangle(grid.Vertex[topology.VertexIndices[i][0]], grid.Vertex[topology.VertexIndices[i][1]],
grid.Vertex[topology.VertexIndices[i][2]]);
grid.Centroids[i] = new Coordinate(trig.InCentre());
grid.Centroids[i].Z = bathymetry;
}
topology.NodeConnectedCells = new uint[grid.VertexCount][];
for (uint i = 0; i < grid.VertexCount; i++)
{
topology.NodeConnectedCells[i] = map[i].ToArray();
}
var elev = (from vert in grid.Vertex select(float) vert.Z).ToArray();
grid.Elevations = new DataCube <float>(1, 1, grid.VertexCount);
grid.Elevations[0, "0", ":"] = elev;
topology.Grid = grid;
grid.Topology = topology;
sr.Close();
map.Clear();
}
return(grid);
}
