public void DrawRealPlot(Graphics g, string xt, string yt)
{
try
{
g.Clear(BC);
DrawAxesNet(g);
int width = (int)g.ClipBounds.Width, height = (int)g.ClipBounds.Height;
XtensibleCalculator c = new XtensibleCalculator();
Func <Dictionary <string, double>, double> fx, fy;
var exp = c.ParseFunction(xt);
fx = exp.Compile();
exp = c.ParseFunction(yt);
fy = exp.Compile();
Dictionary <string, double> Dict = new Dictionary <string, double>();
Dict.Add("t", StartT);
Point p = new Point(conv.II(fx(Dict)), conv.JJ(-fy(Dict)));
for (double i = StartT + Step; i < EndT; i += Step)
{
Dict["t"] = i;
Point pt = new Point(conv.II(fx(Dict)), conv.JJ(-fy(Dict)));
try
{
g.DrawLine(new Pen(LC), p, pt);
}
catch (OverflowException)
{
break;
}
p = pt;
}
}
catch (Sprache.ParseException)
{
g.Clear(BC);
DrawAxesNet(g);
}
}
public double SearchForT(int x, int y, string xt, string yt)
{
XtensibleCalculator c = new XtensibleCalculator();
Func <Dictionary <string, double>, double> fx, fy;
var exp = c.ParseFunction(xt);
fx = exp.Compile();
exp = c.ParseFunction(yt);
fy = exp.Compile();
Dictionary <string, double> Dict = new Dictionary <string, double>();
Dict.Add("t", 0);
for (double i = StartT; i < EndT; i += Step / 10)
{
Dict["t"] = i;
Point pt = new Point(conv.II(fx(Dict)), conv.JJ(-fy(Dict)));
if (Math.Abs(pt.X - x) < 5 && Math.Abs(pt.Y - y) < 5)
{
return(Dict["t"]);
}
}
return(5000);
}
