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xyun.pas
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xyun.pas
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unit xyun;
interface
uses
Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs,
ExtCtrls, StdCtrls, ComCtrls, Buttons;
type
TForm1 = class(TForm)
CheckBox1: TCheckBox;
Button3: TButton;
StatusBar1: TStatusBar;
PrinterSetupDialog1: TPrinterSetupDialog;
PageControl1: TPageControl;
TabSheet1: TTabSheet;
TabSheet2: TTabSheet;
PaintBox1: TPaintBox;
PaintBox2: TPaintBox;
TabSheet3: TTabSheet;
PaintBox3: TPaintBox;
Edit1: TEdit;
procedure PaintBox1Paint(Sender: TObject);
procedure PaintBox1MouseDown(Sender: TObject; Button: TMouseButton;
Shift: TShiftState; X, Y: Integer);
procedure PaintBox1MouseMove(Sender: TObject; Shift: TShiftState; X,
Y: Integer);
procedure PaintBox1MouseUp(Sender: TObject; Button: TMouseButton;
Shift: TShiftState; X, Y: Integer);
procedure FormKeyDown(Sender: TObject; var Key: Word;
Shift: TShiftState);
procedure FormCreate(Sender: TObject);
procedure CheckBox1Click(Sender: TObject);
procedure Button3Click(Sender: TObject);
procedure PaintBox2Paint(Sender: TObject);
procedure PageControl1Change(Sender: TObject);
procedure PaintBox3Paint(Sender: TObject);
procedure FormKeyPress(Sender: TObject; var Key: Char);
procedure PaintBox2MouseDown(Sender: TObject; Button: TMouseButton;
Shift: TShiftState; X, Y: Integer);
procedure PaintBox2MouseMove(Sender: TObject; Shift: TShiftState; X,
Y: Integer);
procedure PaintBox2MouseUp(Sender: TObject; Button: TMouseButton;
Shift: TShiftState; X, Y: Integer);
private
{ Private declarations }
public
procedure DisplayHint(Sender: TObject);
end;
var
Form1: TForm1;
implementation
uses xygraph, xycopy, xygraph3d, math;
var res,err : array[1..12] of integer;
labels : array of string;
d0,d1,dd : double;
y,m,d,h,n,s,ms : word;
dmin : double;
ystring : string;
{$R *.DFM}
(* This program is a test program for XYGRAPH. It demonstrates many
options of XYGRAPH (but not all). Experiment with it; change parameters
and see what the effect is. Add procedure calls.
Or in other words: enjoy yourself.
Please refer to XYGRAPH.HLP for descriprion of all procedures.
The use of the PRINT© form is explained in the unit XYCopy.pas *)
function sinx(x:single):single; begin sinx := sin(x); end;
function sinx2(x:single):single; begin sinx2 := sin(sqr(x)); end;
const nspokes=6;
var axes : array[0..nspokes-1] of Tradar;
bdata : array of Tbardata;
data, data2, data3 : Tdatatype;
procedure TForm1.PaintBox1Paint(Sender: TObject);
var i,y,e : integer;
logscale : boolean;
begin
logscale := checkbox1.checked;
xycleargraph(paintbox1,clwhite,clblack,8/8);
{ - - - first graph - - - }
xystartgraph(0,50,4,65,40,70,50,40,clipon);
xyxaxis(clblack,1,100,0,0,'X-axis',1,gridoff,logscale,sci{fixed},0);
xyyaxis(clblack,1,100,0,0,'@First',1,gridoff,logscale,fixed);
xybrush.style := bsdiagcross;
xy3dquad(point3d(1,1,0),point3d(1,100,0),point3d(100,100,0),-1,clyellow,false,false);
xybrush.style := bssolid;
xymove(0,0); for i := 1 to 9 do
begin xydraw(i*10,i*10); xysymbol(1,0,1); end;
if logscale then xylegendentry(3,'symb 1')
else xylegendentry(0,'line 1');
xysetlinestyle(16,0,0);
xyyaxis(clblue,1,10,0,0,'Second',2,gridoff,logscale,fixed);
xylinewidth(1);
xymove(0,0); for i := 1 to 9 do
begin
xydraw(i*10,i*10);
xysymbol(2,8,1);
end;
if logscale then xylegendentry(3,'symb 2')
else xylegendentry(0,'line 2');
xysetlinestyle(0,0,0);
xyyaxis(clgreen,1,10000,0,0,'Third',3,gridoff,logscale,fixed);
xylinewidth(2);
xymove(0,0); for i := 1 to 9 do
begin xydraw(i*10,i*10); xysymbol(3,8,0); end;
if logscale then xylegendentry(3,'symb 3')
else xylegendentry(0,'line 3');
xylinewidth(1);
xyyaxis(clred,1,1000,0,0,'@Fourth',4,gridoff,logscale,fixed);
xymove(0,0); for i := 1 to 9 do
begin xydraw(i*10,i*10); xysymbol(4,8,2); end;
if logscale then xylegendentry(3,'symb 4')
else xylegendentry(0,'line 4');
xytitle(clgray,'GRAPH 1');
{ - - - second graph - - - }
xystartgraph(50,100,4,65,70,10,30,20,clipon);
with xygraphdata[0] do
xy3dquad(point3d(x1,y1,0),point3d(x1,y2,0),point3d(x2,y2,0),
-1,$d0ffd0,false,false);
if checkbox1.checked then xylabelaxis(clblack,labels,gridoff)
else xyyearaxis(clblack,3,0,gridoff);
xyset(45,-90,3); xyset(41,1,3);
xyyaxis(clblack,0,180,0,0,'Results',5,gridon,lin,fixed);
if logscale then
begin
xypen.color := clfuchsia;
for i := 1 to 12 do
begin
y := res[i]; e := err[i];
if (i=1) then xymove(i,y) else xydraw(i,y);
xyerrorbar(i,y,0,0.4,0.4,e*2,-e*2,e,-e,rel,userc,0);
end;
xylegendentry(4,'errbar');
end
else
begin
for i := 1 to 12 do xybar(clfuchsia,i,0.7,res[i],0);
xylegendentry(1,'bar');
end;
{xybar2(7,1.8,50,25,clyellow,clblue,-1,22,20,1,1+2);}
{xybar2(8,3.5,30,70,clyellow,clblue,-1,6,3,6,1);}
{xylegendentry(5,'bar2');}
xytitle(clgray,'GRAPH 2');
{ - - - third graph - - - }
xysetfont('Times New Roman',10,2,0,0);
xystartgraph(0,100,65,100,35,55,20,25,clipon);
if checkbox1.checked then xysetratio(1);
xyxaxis(clblack,-10,10,0,0,'',gridoff,logscale,fixed);
xyyaxis(clblack,-1.05,1.05,0,0,'sine functions',5,gridoff,logscale,fixed);
xylinewidth(2);
xysetlinestyle(15,60,2);
xydrawfunction(4,sinx);
xypen.color := clred;
xylinewidth(1);
xysetlinestyle(0,0,0);
xydrawfunction(0,sinx2,-9,9);
xyfinish;
xytitle(clgray,'GRAPH 3');
xydeffont;
{ - - - additional instructions - - - }
xylegendmake(3,paintbox1.width div 2,24,0,1,
0,round(paintbox1.height*0.55),0,frameon);
xysetusercoordinates(0,0);
xytextangle(clblack,'XYGRAPH|(C) 2002',paintbox1.width-10,
round(paintbox1.height*0.82),0,1,1,-90);
xytitle(clmaroon,'@2D CARTESIAN CO-ORDINATES');
xyinitruler(clgray,20,round(paintbox1.height*0.65)-xycharheight div 2,1,8);
end;
procedure TForm1.PaintBox2Paint(Sender: TObject);
var i : integer;
begin
xycleargraph(paintbox2,clwhite,clblack,8/8);
{--------- POLAR DEMO ----------------------------------------}
xystartgraph(0,50,5,100,40,40,40,40,clipon);
with xygraphdata[0] do
xy3dcircle(point3d((x1+x2) div 2,(y1+y2) div 2,0),point3d(0,0,0),
min((x2-x1) div 2,(y2-y1) div 2),0,-1,$fff0f0,false,false,0);
if checkbox1.checked then
xypolargraph(clmaroon,1,2,90,0,reverse,angle,gridon,true)
else xypolargraph(clmaroon,1,2, 0,0,normal,straight,gridon,true);
xypen.color := clblue; xylinewidth(2);
xymove(0,1); for i := 1 to 100 do xydraw(1+i/100,i*10);
xytitle(clgray,'POLAR GRAPH');
xystartgraph(50,100,5,100,40,40,40,40,clipon);
if checkbox1.checked then
xyradargraph(clnavy,axes,2,90,1,normal,straight,sci,0)
else xyradargraph(clnavy,axes,0,90,1,normal,straight,sci,0);
xylinewidth(2);
xypen.color := clred; xyradardraw([0.5,1,1.5,2,2.5],1,1);
xypen.color := clgreen; xyradardraw([0.8,0.8,0.8,0.8,0.8],1,2);
xypen.color := clblue; xyradardraw([0.5,1,0.5,1,0.5,1,0.5,1],1,2);
xytitle(clgray,'RADAR GRAPH');
xyfinish;
xytitle(clmaroon,'@2D POLAR CO-ORDINATES');
xyinitruler(clblack,paintbox2.width div 2,paintbox2.height-16,1,0);
end;
procedure TForm1.PaintBox3Paint(Sender: TObject);
var tm : boolean;
begin
xycleargraph(paintbox3,clwhite,clblack,1.0);
{--------- TIMEAXIS DEMO ----------------------------------------}
if checkbox1.checked then
begin
dmin := 1;
xystartgraph(0,100,0,40,30,20,30,60,clipon);
xytimeaxis(clblack,d0-dd,d0+dd,'date',1,0,0,0,2,false,tm);
end
else
begin
dmin := 1/24/60/60;
xystartgraph(0,100,0,40,30,20,30,50,clipon);
xytimeaxis(clblack,d0-dd,d0+dd,'date|time and date '+ystring,-1,1,1+4,1,2,false,tm);
end;
xyyaxis(clblack,0,100,0,0,'',1,gridoff,lin,fixed);
xymove(d0,0); xydraw(d0,100);
d1 := encodedate(y,m,d)+encodetime(h,n,s,0); xymove(d1,0); xydraw(d1,90);
d1 := encodedate(y,m,d)+encodetime(h,n,0,0); xymove(d1,0); xydraw(d1,80);
d1 := encodedate(y,m,d)+encodetime(h,0,0,0); xymove(d1,0); xydraw(d1,70);
d1 := encodedate(y,m,d); xymove(d1,0); xydraw(d1,60);
d1 := encodedate(y,m,1); xymove(d1,0); xydraw(d1,50);
d1 := encodedate(y,1,1); xymove(d1,0); xydraw(d1,40);
d1 := encodedate(2000,1,1); xymove(d1,0); xydraw(d1,30);
d1 := encodedate(1900,1,1); xymove(d1,0); xydraw(d1,20);
xytitle(clmaroon,'TimeAxis demo, press + to zoom in, - to zoom out, SPACE to reset');
{------- PLOTARRAY DEMO ------------------------------------------}
xystartgraph(0,33,45,100,30,0,20,40,clipon);
if checkbox1.checked then
begin
end
else
begin
xyxaxis(clblack,0,20,0,0,'X-axis',false,false,false);
xyyaxis(clgreen,0,25,0,0,'Y-axis',1,false,false,false);
xysymbol(2,4,2);
end;
xyplotarray(data,0,2);
xytitle(clmaroon,'PlotArray single');
xystartgraph(33,67,45,100,30,0,20,40,clipon);
if checkbox1.checked then
begin
{do nothing - xyplotarray defines axes }
end
else
begin
xyxaxis(clblack,0,20,0,0,'X-axis',false,false,false);
xyyaxis(clblack,0,50,0,0,'Y-1',1,false,false,false);
xyyaxis(clred,0,50,0,0,'Y-2',2,false,false,false);
xyyaxis(clblue,0,50,0,0,'Y-3',3,false,false,false);
xysymbol(2,4,2);
end;
xyplotarray(data2,0,3);
xytitle(clmaroon,'PlotArray multiple');
xystartgraph(67,100,45,100,30,8,20,40,clipon);
if checkbox1.checked then
begin
xylabels[0] := 'X data';
end
else
begin
xyxaxis(clblack,0,20,0,0,'X-axis',false,false,false);
xyyaxis(clblack,0,40,0,0,'Y-axis',1,false,false,false);
end;
xyplotarray(data3,0,3);
xytitle(clmaroon,'PlotArray advanced');
if checkbox1.checked then
xyinitruler(clred,8,round(paintbox3.height * 0.45)-20,1,3)
else
xyinitruler(clmaroon,8,round(paintbox3.height * 0.45)-20,1,0)
end;
procedure showdata;
var s : string;
begin
with form1.Edit1 do with xyexportd do
begin
str(xw:5:2,s); text := 'x='+s;
str(sinx(xw):6:3,s); text := text + ', sin(x)='+s;
str(sinx2(xw):6:3,s); text := text + ', sin(x^2)='+s;
end;
end;
procedure setarrays;
var i : integer;
const styl1 : array[1..7] of integer = (4,clfuchsia,1,4,2,2,2);
styl2 : array[1..7] of integer = (1,clblack,2,4,0,0,0);
styl3 : array[1..7] of integer = (0,clgreen,1,0,1,6,1);
begin
xysetdataarray(data,20,1);
for i := 1 to 20 do data[i,1] := i+random*5;
xysetdataarray(data2,19,3);
for i := 1 to 19 do data2[i,1] := i+random*5;
for i := 1 to 19 do data2[i,2] := i+random*2+12;
for i := 1 to 19 do data2[i,3] := i+random*5+20;
data2[0,2] := 2;
xysetdataarray(data3,20+7,3);
for i := 1 to 20 do
begin data3[i+7,0] := i; data3[i+7,1] := 10+random*10;
data3[i+7,2] := 18+random*10; data3[i+7,3] := 26+random*10; end;
for i := 1 to 7 do
begin data3[i,1] := styl1[i]; data3[i,2] := styl2[i]; data3[i,3] := styl3[i];end;
data3[0,0] := 1; data3[0,1] := 1; data3[0,2] := 1; data3[0,3] := 1;
end;
procedure TForm1.PaintBox1MouseDown(Sender: TObject; Button: TMouseButton;
Shift: TShiftState; X, Y: Integer);
begin
xyexportd.xp := -1;
xymousedown(button,shift,x,y);
if (xyexportd.xp>=0) and (xyexportd.igr=3) and
not (ssCtrl in shift) then
begin
Edit1.top := round(paintbox1.height*0.65)-6;
Edit1.show;
showdata;
end;
end;
procedure TForm1.PaintBox1MouseMove(Sender: TObject; Shift: TShiftState; X,
Y: Integer);
begin
xymousemove(shift,x,y);
if (xyexportd.xp>=0) and (xyexportd.igr=3) and
not (ssCtrl in shift) then showdata;
end;
procedure TForm1.PaintBox1MouseUp(Sender: TObject; Button: TMouseButton;
Shift: TShiftState; X, Y: Integer);
begin
xyexportd.xp := -1;
edit1.hide;
xymouseup(button,shift,x,y);
end;
procedure TForm1.PaintBox2MouseDown(Sender: TObject; Button: TMouseButton;
Shift: TShiftState; X, Y: Integer);
begin xymousedown(button,shift,x,y); end;
procedure TForm1.PaintBox2MouseMove(Sender: TObject; Shift: TShiftState; X,
Y: Integer);
begin xymousemove(shift,x,y); end;
procedure TForm1.PaintBox2MouseUp(Sender: TObject; Button: TMouseButton;
Shift: TShiftState; X, Y: Integer);
begin xymouseup(button,shift,x,y); end;
procedure TForm1.FormKeyDown(Sender: TObject; var Key: Word;
Shift: TShiftState);
begin xykeydown(key,shift); end;
procedure TForm1.DisplayHint(Sender: TObject);
begin StatusBar1.SimpleText := Application.Hint; end;
procedure TForm1.FormCreate(Sender: TObject);
var i : integer;
begin
randomize; for i := 1 to 12 do res[i] := 100 + random(50);
for i := 1 to 12 do err[i] := 5 + random(10);
setlength(labels,12); for i := 0 to 11 do labels[i] := inttostr(i+1);
checkbox1.hint := '|change to: graph 1: log scale, symbol legend; graph 2: labelaxis, errorbar; graph 3: fixed Y/X ratio';
button3.hint := '|print, copy or save graph';
paintbox1.hint := '|graph area; click for ruler function; control-click to zoom';
paintbox2.hint := '|graph area; click for ruler function; control-click to zoom';
paintbox3.hint := '|graph area; click for ruler function; control-click to zoom';
for i := 1 to nspokes do with axes[i-1] do
begin txt := 'Nr. '+inttostr(i); mi := 0; ma := i; end;
setlength(bdata,3);
with bdata[0] do begin ypos := 20; col := clred; end;
with bdata[1] do begin ypos := 30; col := clgreen; end;
with bdata[2] do begin ypos := 40; col := clblue; end;
d0 := date+time; dd := 1; decodedate(d0,y,m,d); decodetime(d0,h,n,s,ms);
ystring := '('+inttostr(y)+')';
Application.OnHint := DisplayHint;
setarrays;
end;
procedure TForm1.CheckBox1Click(Sender: TObject);
begin
xyunzoom;
if (pagecontrol1.activepage=tabsheet1) then paintbox1.repaint else
if (pagecontrol1.activepage=tabsheet2) then paintbox2.repaint
else
begin if (dd<dmin) then dd := dmin; paintbox3.Repaint; end;
end;
procedure TForm1.Button3Click(Sender: TObject);
begin xycopystart; end;
procedure TForm1.PageControl1Change(Sender: TObject);
begin
if (pagecontrol1.activepage=tabsheet1) then
checkbox1.hint := '|change to: graph 1: log scale, symbol legend; graph 2: labelaxis, errorbar; graph 3: fixed Y/X ratio'
else if (pagecontrol1.activepage=tabsheet2) then
checkbox1.hint := '|change: polar: reverse, orientation, angle; radar: frame style (equal axes)'
else
checkbox1.hint := '|change: top: mode and date/time presentation; bottom: autoscale; both: ruler';
xyunzoom;
end;
procedure TForm1.FormKeyPress(Sender: TObject; var Key: Char);
begin
if not (pagecontrol1.activepage=tabsheet3) then exit;
if (key='-') then
begin if (dd<dmin) then dd := dmin; dd := dd * 1.02; paintbox3.refresh; end;
if (key='+') then begin dd := dd / 1.02; paintbox3.refresh; end;
if (key=#32) then begin dd := 1; paintbox3.refresh; end;
end;
end.