public FormulaPlotPanel()
{
InitializeComponent();
exoner = new Executioner();//создаем объект счетчика
bitmap = new Bitmap(formulaPlotPB.Width, formulaPlotPB.Height);
formulaPlotPB.Image = bitmap;
g = Graphics.FromImage(bitmap);
g.FillRectangle(Brushes.LightYellow, 0, 0, bitmap.Width, bitmap.Height);
drawer.DrawAxes(g, bitmap);
}
public void Draw2DformulaPlot(Graphics g, Bitmap bitmap, Executioner exoner, string formulaX, string formulaY)
{
double y1 = 0;
double y2 = 0;
double x2 = 0;
double x1 = 0;
double prevX = 0;
double prexY = 0;
int num = 0;
Point[] Points = new Point[20];
for (double t = -5; t < 5; t += 0.5)
{
y1 = exoner.FindSolution(t.ToString(), formulaY);
x1 = exoner.FindSolution(t.ToString(), formulaX);
//if (!(double.IsNaN(prexY)) && !(double.IsNaN(y1)))
//{
// g.DrawLine(Pens.Black, (float)prevX * 10 + bitmap.Width / 2, bitmap.Height / 2 - (float)prexY * 10, (float)x1 * 10 + bitmap.Width / 2, bitmap.Height / 2 - (float)y1 * 10);
//}
//x2 = exoner.FindSolution((t+0.1).ToString(), formulaX);
//y2 = exoner.FindSolution((t+0.1).ToString(), formulaY);
//if (!(double.IsNaN(y1) && double.IsNaN(y2))) { //область допустимых значений
// g.DrawLine(Pens.Black, (float)x1*10 + bitmap.Width / 2, bitmap.Height / 2 - (float)y1 * 10, (float)x2 * 10 + bitmap.Width / 2, bitmap.Height / 2 - (float)y2 * 10);
//}
//prevX = x2;
//prexY = y2;
y1 = bitmap.Height / 2 - (float)exoner.FindSolution(t.ToString(), formulaY) * 10;
x1 = (float)exoner.FindSolution(t.ToString(), formulaX) * 10 + bitmap.Width / 2;
if (!(double.IsNaN(y1)) && !(double.IsNaN(x1)))
{
Points[num] = new Point((int)x1, (int)y1);
num++;
}
}
g.DrawCurve(Pens.Black, Points);
}