public DEdge Reverse()
{
DEdge res = new DEdge();
res.Begin = End;
res.End = Begin;
return res;
}
public void ReadFromConsole()
{
Console.Write("Enter a number of vertices, please: ");
vrt_num = int.Parse(Console.ReadLine());
Console.Write("Enter a number of edges, please: ");
edg_num = int.Parse(Console.ReadLine());
G = new List <DEdge> [VerticesCount];
for (int i = 0; i < VerticesCount; ++i)
{
G[i] = new List <DEdge>();
}
string[] sprts = { " " };
for (int i = 0; i < edg_num; ++i)
{
Console.Write("Enter begin and end of {0} edge, please: ", i + 1);
string s;
s = Console.ReadLine();
string[] spr_s = s.Split(sprts, StringSplitOptions.RemoveEmptyEntries);
DEdge t = new DEdge(int.Parse(spr_s[0]) - 1, int.Parse(spr_s[1]) - 1);
G[t.Begin].Add(t);
}
}
public void ReadFromTxtFile(string file)
{
StreamReader data;
data = new StreamReader(file);
string s = data.ReadToEnd();
string[] sprts = { " ", "\r\n" };
string[] spr_s = s.Split(sprts, StringSplitOptions.RemoveEmptyEntries);
vrt_num = int.Parse(spr_s[0]);
edg_num = int.Parse(spr_s[1]);
G = new List <DEdge> [VerticesCount];
for (int i = 0; i < VerticesCount; ++i)
{
G[i] = new List <DEdge>();
}
for (int i = 0; i < edg_num; ++i)
{
DEdge t = new DEdge(int.Parse(spr_s[i * 2 + 2]) - 1, int.Parse(spr_s[i * 2 + 3]) - 1);
G[t.Begin].Add(t);
}
}
public DEdge Reverse()
{
DEdge res = new DEdge();
res.Begin = End;
res.End = Begin;
return(res);
}
public DEdge(DEdge edg)
{
bgn = edg.Begin;
end = edg.End;
}
public void AddEdge(DEdge edg)
{
G[edg.Begin].Add(edg);
++edg_num;
}
private void PrintVector2D(DEdge edg)
{
int x1 = VertexCoords[edg.Begin].x;
int y1 = VertexCoords[edg.Begin].y;
int x2 = VertexCoords[edg.End].x;
int y2 = VertexCoords[edg.End].y;
double tx = x1 - x2;
double ty = y1 - y2;
double sq = Math.Sqrt(tx * tx + ty * ty);
tx /= sq;
ty /= sq;
double v1x = 6.5 * tx + ty;
double v1y = 6.5 * ty - tx;
double v2x = 6.5 * tx - ty;
double v2y = 6.5 * ty + tx;
sq = Math.Sqrt(v1x * v1x + v1y * v1y);
v1x /= sq;
v1y /= sq;
sq = Math.Sqrt(v2x * v2x + v2y * v2y);
v2x /= sq;
v2y /= sq;
Gl.glBegin(Gl.GL_LINES);
Gl.glVertex2d(x1, y1);
Gl.glVertex2d(x2, y2);
Gl.glVertex2d(x2, y2);
Gl.glVertex2d(x2 + 25 * v1x, y2 + 25 * v1y);
Gl.glVertex2d(x2, y2);
Gl.glVertex2d(x2 + 25 * v2x, y2 + 25 * v2y);
Gl.glEnd();
}
public DEdge(DEdge edg)
{
bgn = edg.Begin;
end = edg.End;
}
public void ReadFromTxtFile(string file)
{
StreamReader data;
data = new StreamReader(file);
string s = data.ReadToEnd();
string[] sprts = { " ", "\r\n" };
string[] spr_s = s.Split(sprts, StringSplitOptions.RemoveEmptyEntries);
vrt_num = int.Parse(spr_s[0]);
edg_num = int.Parse(spr_s[1]);
G = new List<DEdge>[VerticesCount];
for (int i = 0; i < VerticesCount; ++i)
G[i] = new List<DEdge>();
for (int i = 0; i < edg_num; ++i)
{
DEdge t = new DEdge(int.Parse(spr_s[i * 2 + 2]) - 1, int.Parse(spr_s[i * 2 + 3]) - 1);
G[t.Begin].Add(t);
}
}
public void ReadFromConsole()
{
Console.Write("Enter a number of vertices, please: ");
vrt_num = int.Parse(Console.ReadLine());
Console.Write("Enter a number of edges, please: ");
edg_num = int.Parse(Console.ReadLine());
G = new List<DEdge>[VerticesCount];
for (int i = 0; i < VerticesCount; ++i)
G[i] = new List<DEdge>();
string[] sprts = { " " };
for (int i = 0; i < edg_num; ++i)
{
Console.Write("Enter begin and end of {0} edge, please: ", i + 1);
string s;
s = Console.ReadLine();
string[] spr_s = s.Split(sprts, StringSplitOptions.RemoveEmptyEntries);
DEdge t = new DEdge(int.Parse(spr_s[0]) - 1, int.Parse(spr_s[1]) - 1);
G[t.Begin].Add(t);
}
}
public void AddEdge(DEdge edg)
{
G[edg.Begin].Add(edg);
++edg_num;
}
