// Use this for initialization
void Start()
{
//Scale the graph
graph.transform.localScale *= scale / 10.0f;
// Set pointlist to results of function Reader with argument inputfile
pointList = CSVReader.Read(directory, inputfile);
//If the user wants the data flipped, here is where it is done
if (flipData)
{
pointList = TransposeData.TransposeList(pointList);
}
// Declare list of strings, fill with keys (column names)
columnList = new List <string>(pointList[1].Keys);
//Create a graph legend and color the points if know categories
if (knownCategories)
{
ColorGraph.createColor(pointList, categoryColumn);
colorMap = ColorGraph.getColorMap();
}
//Plot according to input data given
if (coorData)
{
//Coordinate data does not have PCA run on it.
//Converting the file into an appropriate format for plotting is enough
double[][] pointCoor = convertTo2D(pointList);
plot(pointCoor);
}
else
{
//Calculate PCA and project data onto three most significant components before plotting
double[][] transformedPoints = calcPCAProject();
plot(transformedPoints);
}
createLegend();
}
private void Form1_Paint(object sender, PaintEventArgs e)
{
Graph graph = new Graph();
//graph.addVertex("S");
//graph.addVertex("P");
//graph.addVertex("G");
//graph.addVertex("U");
//graph.addVertex("L");
//graph.addVertex("C");
//graph.addEdge("C", "L");
//graph.addEdge("C", "S");
//graph.addEdge("L", "C");
//graph.addEdge("L", "U");
//graph.addEdge("L", "P");
//graph.addEdge("S", "U");
//graph.addEdge("S", "C");
//graph.addEdge("S", "P");
//graph.addEdge("S", "G");
//graph.addEdge("U", "S");
//graph.addEdge("U", "L");
//graph.addEdge("U", "G");
//graph.addEdge("P", "S");
//graph.addEdge("P", "L");
//graph.addEdge("P", "G");
//graph.addEdge("G", "P");
//graph.addEdge("G", "S");
//graph.addEdge("G", "U");
//color.color();
//Graph graph = new Graph();
//ColorGraph color = new ColorGraph(graph);
string[] student1 = { "maths", "english", "biology", "chemistry" };
string[] student2 = { "maths", "english", "compsci", "geography" };
string[] student3 = { "biology", "psychology", "geography", "spanish" };
string[] student4 = { "biology", "compsci", "history", "french" };
string[] student5 = { "english", "psychology", "compsci", "history" };
string[] student6 = { "psychology", "chemistry", "compsci", "french" };
string[] student7 = { "psychology", "geography", "history", "spanish" };
graph.addVertex("maths");
graph.addVertex("english");
graph.addVertex("biology");
graph.addVertex("chemistry");
graph.addVertex("compsci");
graph.addVertex("geography");
graph.addVertex("history");
graph.addVertex("french");
graph.addVertex("spanish");
graph.addVertex("psychology");
graph.addEdge(student1);
graph.addEdge(student2);
graph.addEdge(student3);
graph.addEdge(student4);
graph.addEdge(student5);
graph.addEdge(student6);
graph.addEdge(student7);
ColorGraph color = new ColorGraph(graph);
color.color();
// int totalcolors = color.ChromaticNumber;
int n = graph.Nodes.Count;
int width = n * 50;
int height = n * 60;
int xcentre = (width) / 2;
int ycentre = (height) / 2;
int radius = (int)(Math.Min(height, width) * 0.4);
Graphics graphic = this.CreateGraphics();
Font font = new Font(Font, FontStyle.Bold);
Brush[] colorss = { Brushes.Red, Brushes.Blue, Brushes.Yellow, Brushes.Green, Brushes.HotPink, Brushes.Brown };
for (int i = 0; i < n; i++)
{
float x1point = (float)(xcentre + 20 + radius * Math.Cos(i * 2 * Math.PI / n));
float y1point = (float)(xcentre + 20 - radius * Math.Sin(i * 2 * Math.PI / n));
for (int j = i + 1; j < n; j++)
{
float x2point = (float)(xcentre + 20 + radius * Math.Cos(j * 2 * Math.PI / n));
float y2point = (float)(xcentre + 20 - radius * Math.Sin(j * 2 * Math.PI / n));
if (graph.isAdjacent(graph.Nodes[i], graph.Nodes[j]))
{
graphic.DrawLine(Pens.Black, x1point, y1point, x2point, y2point);
}
}
}
for (int i = 0; i < n; i++)
{
int colornumber = graph.Nodes[i].Color;
//Color color = Color.FromArgb(colornumber*10);
float x1point = (float)(xcentre + radius * Math.Cos(i * 2 * Math.PI / n)) - 40;
float y1point = (float)(xcentre - radius * Math.Sin(i * 2 * Math.PI / n));
graphic.FillEllipse(colorss[colornumber - 1], (float)(xcentre + radius * Math.Cos(i * 2 * Math.PI / n)), (float)(xcentre - radius * Math.Sin(i * 2 * Math.PI / n)), 30, 30);
graphic.DrawString(graph.Nodes[i].Name, font, Brushes.Black, x1point, y1point - 10);
}
}
