1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
|
unit Main;
{$mode objfpc}{$H+}
{$WARN 6058 off : Call to subroutine "$1" marked as inline is not inlined}
interface
uses
ComCtrls, ExtCtrls, Forms, Spin, StdCtrls, TACustomSource, TAFuncSeries,
TAGraph, TAIntervalSources, TASeries, TASources, TAStyles, TATools,
TATransformations, TAChartAxis, Classes;
type
{ TForm1 }
TForm1 = class(TForm)
catT: TChartAxisTransformations;
catTAutoAutoScaleAxisTransform1: TAutoScaleAxisTransform;
catTAutoScaleAxisTransform1: TAutoScaleAxisTransform;
catTFahrToCel: TLinearAxisTransform;
cbStaticY: TCheckBox;
cbUnitsY: TComboBox;
ChartRotated: TChart;
ChartPosition: TChart;
ChartIntervals: TChart;
ChartAxisGroup: TChart;
ChartCustomMarks: TChart;
ChartCustomMarksBarSeries1: TBarSeries;
ChartDateTime: TChart;
ChartDateTimeLineSeries1: TLineSeries;
ChartPositionFuncSeries1: TFuncSeries;
ChartRotatedBarSeries: TBarSeries;
ChartStyles1: TChartStyles;
ChartSubmarks: TChart;
ChartSubmarksLineSeries1: TLineSeries;
ChartToolset1ZoomIn: TZoomClickTool;
ChartToolset1ZoomOut: TZoomClickTool;
ChartToolsetDateTime: TChartToolset;
cbStaticX: TCheckBox;
cbUnitsX: TComboBox;
CbSuppressPrevUnit: TCheckBox;
CbAlternateFormat: TCheckBox;
cbRotated: TCheckBox;
csStripes: TChartStyles;
DateTimeIntervalChartSource1: TDateTimeIntervalChartSource;
gbPositionX: TGroupBox;
gbPositionY: TGroupBox;
Label1: TLabel;
lblPositionX: TLabel;
lblUnitsX: TLabel;
lblPositionY: TLabel;
lblUnitsY: TLabel;
lcsMarks: TListChartSource;
lcsRotatedSeries: TListChartSource;
PageControl1: TPageControl;
Panel1: TPanel;
Panel2: TPanel;
pnlPosition: TPanel;
rbPositionBottom: TRadioButton;
rbPositionLeft: TRadioButton;
rbPositionTop: TRadioButton;
rbPositionRight: TRadioButton;
rcsDates: TRandomChartSource;
seXPosition: TSpinEdit;
seYPosition: TSpinEdit;
TabSheet1: TTabSheet;
tsPosition: TTabSheet;
tsIntervals: TTabSheet;
tsAxisGroup: TTabSheet;
tsCustomMarks: TTabSheet;
tsDateTime: TTabSheet;
tsSubmarks: TTabSheet;
udcsGraph: TUserDefinedChartSource;
udcsMain: TUserDefinedChartSource;
udcsSub: TUserDefinedChartSource;
procedure cbRotatedChange(Sender: TObject);
procedure cbStaticXChange(Sender: TObject);
procedure cbStaticYChange(Sender: TObject);
procedure CbSuppressPrevUnitChange(Sender: TObject);
procedure cbUnitsXChange(Sender: TObject);
procedure cbUnitsYChange(Sender: TObject);
procedure ChartCustomMarksAxisList1MarkToText(var AText: String; AMark: Double);
procedure ChartPositionFuncSeries1Calculate(const AX: Double; out
AY: Double);
procedure CbAlternateFormatChange(Sender: TObject);
procedure DateTimeIntervalChartSource1DateTimeStepChange(Sender: TObject;
ASteps: TDateTimeStep);
procedure FormCreate(Sender: TObject);
procedure rbPositionBottomChange(Sender: TObject);
procedure rbPositionLeftChange(Sender: TObject);
procedure seXPositionChange(Sender: TObject);
procedure seYPositionChange(Sender: TObject);
procedure udcsGraphGetChartDataItem(ASource: TUserDefinedChartSource;
AIndex: Integer; var AItem: TChartDataItem);
procedure udcsMainGetChartDataItem(ASource: TUserDefinedChartSource;
AIndex: Integer; var AItem: TChartDataItem);
procedure udcsSubGetChartDataItem(ASource: TUserDefinedChartSource;
AIndex: Integer; var AItem: TChartDataItem);
end;
var
Form1: TForm1;
implementation
uses
SysUtils, TypInfo, TAChartAxisUtils, TAChartUtils;
{$R *.lfm}
{ TForm1 }
procedure TForm1.cbStaticXChange(Sender: TObject);
begin
ChartPosition.AxisList[3].Visible := cbStaticX.Checked;
end;
procedure TForm1.cbRotatedChange(Sender: TObject);
begin
if cbRotated.Checked then
begin
ChartRotatedBarSeries.AxisIndexX := 0;
ChartRotatedBarSeries.AxisIndexY := 1;
ChartRotated.BottomAxis.Marks.Source := nil;
ChartRotated.BottomAxis.Marks.Style := smsValue;
ChartRotated.LeftAxis.Marks.Source := lcsRotatedSeries;
ChartRotated.LeftAxis.Marks.Style := smsLabel;
end else
begin
ChartRotatedBarSeries.AxisIndexX := 1;
ChartRotatedBarSeries.AxisIndexY := 0;
ChartRotated.LeftAxis.Marks.Source := nil;
ChartRotated.LeftAxis.Marks.Style := smsValue;
ChartRotated.BottomAxis.Marks.Source := lcsRotatedSeries;
ChartRotated.BottomAxis.Marks.Style := smsLabel;
end;
// This exchanges the x/y value of the source for the marks being displayed
// along the axis. This is necessary because the axis does not "know" that
// the series uses rotated x/y values.
ChartRotated.LeftAxis.Marks.SourceExchangeXY := cbRotated.Checked;
end;
procedure TForm1.cbStaticYChange(Sender: TObject);
begin
ChartPosition.AxisList[2].Visible := cbStaticY.Checked;
end;
procedure TForm1.CbSuppressPrevUnitChange(Sender: TObject);
begin
DateTimeIntervalChartSource1.SuppressPrevUnit := CbSuppressPrevUnit.Checked;
end;
procedure TForm1.cbUnitsXChange(Sender: TObject);
begin
ChartPosition.AxisList[1].PositionUnits := TChartUnits(cbUnitsX.ItemIndex);
end;
procedure TForm1.cbUnitsYChange(Sender: TObject);
begin
ChartPosition.AxisList[0].PositionUnits := TChartUnits(cbUnitsY.ItemIndex);
end;
procedure TForm1.ChartCustomMarksAxisList1MarkToText(var AText: String; AMark: Double);
begin
if AMark = 3 then
AText := '*' + AText + '*';
end;
procedure TForm1.ChartPositionFuncSeries1Calculate(
const AX: Double; out AY: Double);
begin
AY := Sin(AX / 30) * 10 + Cos(AX / 10) * 20;
end;
procedure TForm1.DateTimeIntervalChartSource1DateTimeStepChange(
Sender: TObject; ASteps: TDateTimeStep);
begin
Label1.Caption := GetEnumName(TypeInfo(TDateTimeStep), ord(ASteps));
end;
procedure TForm1.CbAlternateFormatChange(Sender: TObject);
begin
with DateTimeIntervalChartSource1.DateTimeStepFormat do
if CbAlternateFormat.Checked then begin
WeekFormat := 'dd"."mmm"."';
DayFormat := 'dd"."mm"."';
HourFormat := 'dd". "hh:nn';
SecondFormat := 'nn"."ss';
MillisecondFormat := 'ss"."zzz';
end else begin
WeekFormat := DEFAULT_WEEK_FORMAT;
DayFormat := DEFAULT_DAY_FORMAT;
HourFormat := DEFAULT_HOUR_FORMAT;
SecondFormat := DEFAULT_SECOND_FORMAT;
MillisecondFormat := DEFAULT_MILLISECOND_FORMAT;
end;
end;
procedure TForm1.FormCreate(Sender: TObject);
const
COLORS: array [1..5] of Integer =
($0000A0, $002080, $004060, $006040, $008020);
var
i, j: Integer;
ls: TLineSeries;
tr: TChartAxisTransformations;
begin
for i := 1 to 5 do begin
ls := TLineSeries.Create(Self);
ChartAxisGroup.AddSeries(ls);
ls.SeriesColor := COLORS[i];
ls.LinePen.Width := 2;
for j := 1 to 20 do
ls.AddXY(j, Random * 8);
tr := TChartAxisTransformations.Create(Self);
with TAutoScaleAxisTransform.Create(Self) do begin
Transformations := tr;
MinValue := i + 0.2;
MaxValue := i + 0.8;
end;
with TChartAxis.Create(ChartAxisGroup.AxisList) do begin
Transformations := tr;
Marks.AtDataOnly := true;
Marks.Range.UseMin := true;
Marks.Range.UseMax := true;
Marks.Range.Min := 1;
Marks.Range.Max := 9;
Marks.LabelFont.Orientation := 900;
Marks.LabelFont.Color := COLORS[i];
with Marks.DefaultSource.Params do begin
MinLength := 5;
MaxLength := 20;
Options := Options + [aipUseCount];
end;
TickColor := COLORS[i];
Group := 1;
end;
ls.AxisIndexY := ChartAxisGroup.AxisList.Count - 1;
end;
with rcsDates do begin
XMin := Now - 5 * 365;
XMax := Now + 5 * 365;
PointsNumber := 10 * 365 * 24;
end;
end;
procedure TForm1.rbPositionBottomChange(Sender: TObject);
begin
with ChartPosition.AxisList[1] do
if rbPositionBottom.Checked then
Alignment := calBottom
else
Alignment := calTop;
end;
procedure TForm1.rbPositionLeftChange(Sender: TObject);
begin
with ChartPosition.AxisList[0] do
if rbPositionLeft.Checked then
Alignment := calLeft
else
Alignment := calRight;
end;
procedure TForm1.seXPositionChange(Sender: TObject);
begin
ChartPosition.AxisList[1].Position := seXPosition.Value;
end;
procedure TForm1.seYPositionChange(Sender: TObject);
begin
ChartPosition.AxisList[0].Position := seYPosition.Value;
end;
procedure TForm1.udcsGraphGetChartDataItem(ASource: TUserDefinedChartSource;
AIndex: Integer; var AItem: TChartDataItem);
begin
Unused(ASource);
AItem.X := (AIndex - 50) * 0.1;
AItem.Y := Sin(AItem.X * 3) + AItem.X / 10;
end;
procedure TForm1.udcsMainGetChartDataItem(
ASource: TUserDefinedChartSource; AIndex: Integer; var AItem: TChartDataItem);
begin
Unused(ASource);
AItem.X := AIndex - 5;
AItem.Y := AItem.X;
end;
procedure TForm1.udcsSubGetChartDataItem(
ASource: TUserDefinedChartSource; AIndex: Integer; var AItem: TChartDataItem);
begin
Unused(ASource);
AItem.X := (AIndex - 25) * 0.2;
AItem.Y := AItem.X;
end;
end.
|
