TChart . EditingChart (. .8.2). Series1 Add Siries. TeeChartGalleri Line ( ). , 3D. Seriesl. Title.
"sin(x)". Series2 cos(x).
Titles : ".
Axis . , EditingChart.
. Chart1.BottomAxis Automatic False, .
Tform1.Button1Click " ". Tform1.Bttnon2CIick " ". (X, Y) Seriesk Series1.AddXY(Const AXValue, AYValue: Double; Const AXLabel: String; Acolor: TColor): Longint;, AXValue, AYValue - X Y; AXLabel ; Acolor ( clTeeColor, , ).
:
Unit Unit1;
Interface
Uses
Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms,
Dialogs, StdCtrls, ExtCtrls, TeeProcs, TeEngine, Chart, Series;
type
TForm1 = class(TForm)
Chart1: TChart;
Button1: TButton;
Button2: TButton;
Edit1: TEdit;
Edit2: TEdit;
Edit3: TEdit;
Edit4: TEdit;
Edit5: TEdit;
Edit6: TEdit;
Edit7: TEdit;
Label1: TLabel;
Label2: TLabel;
Label3: TLabel;
Label4: TLabel;
Label5: TLabel;
Label6: TLabel;
Label7: TLabel;
Series1: TLineSeries;
Series2: TLineSeries;
procedure FormCreate(Sender: TObject);
procedure Button1Click(Sender: TObject);
procedure Button2Click(Sender: TObject);
private
{ Private declarations }
public
{ Public declarations }
end;
var
Form1: TForm1;
Xmin, Xmax, Ymin, Ymax, Hx, Hy, h: extended;
Implementation
{$R *.DFM}
Procedure TForm1.FormCreate(Sender: TObject);
begin
Xmin:= 0;
Xmax:= 2 * Pi;
Ymin:= -1;
Ymax:= 1;
|
|
Hx:= pi/2;
Hy:= 0.5;
h:= 0.01;
Edit1.Text:= FloatToStr(Xmin);
Edit2.Text:= FloatToStr(Xmax);
Edit3.Text:= FloatToStr(Ymin);
Edit4.Text:= FloatToStr(Ymin);
Edit5.Text:= FloatToStr(Hx);
Edit6.Text:= FloatToStr(Hy);
Edit7.Text:= FloatToStr(h);
Chart1.BottomAxis.Automatic:= False;
Chart1.BottomAxis.Minimum:= Xmin;
Chart1.BottomAxis.Maximum:= Xmax;
Chart1.LeftAxis.Automatic:= False;
Chart1.LeftAxis.Minimum:= Ymin;
Chart1.LeftAxis.Maximum:= Ymax;
Chart1.BottomAxis.Increment:= Hx;
Chart1.LeftAxis.Increment:= Hy;
end;
Procedure TForm1.Button1Click(Sender: TObject);
var
x, y1, y2: extended;
begin
Series1.Clear;
Series2.Clear;
Xmin:= StrToFloat(Edit1.Text);
Xmax:= StrToFloat(Edit2.Text);
h:= StrToFloat(Edit7.Text);
x:= Xmin;
Repeat
y1:= sin(x);
Series1.AddXY(x, y1, '', clTeeColor);
y2:= cos(x);
Series2.AddXY(x, y2, '', clTeeColor);
x:= x + h;
Until (x > Xmax);
end;
Procedure TForm1.Button2Click(Sender: TObject);
begin
Halt //Exit
end;
end.