更改 XY 值图中的 x 轴标签

Question

我正在尝试更改德尔福xyplot上的标签。除了在数据点旁边显示标签之外，x 轴还需要一个标签(当前它显示整数 x 值(。现在已经尝试了一段时间，但无法弄清楚如何更改 x 轴标签。也许我需要另一种图表类型？

所以问题是如何将 x 轴上的标签(而不是图中 xy 点旁边的标签(更改为字符串。

for ScenarioIndex := 1 to Mymodel.GetSimulationSetting.GetNumberOfScenarios do
begin
ScenarioList := Mymodel.GetSimulationSetting.GetScenarioSettingList;
ScenarioSetting := ScenarioList.Items[ScenarioIndex-1] ;
//Series1.OnGetMarkText := Series1GetMarkText
for RunIndex := 1 to Mymodel.GetSimulationSetting.GetNumberOfRuns do
begin
for KPIIndex := Low(KPI) to High(KPI) do
begin
YValue := ScenarioSetting.GetKPI(RunIndex-1 + KPIIndex * Mymodel.GetSimulationSetting.GetNumberOfRuns);
XValue := ScenarioIndex;
if YValue > MaxY then
MaxY := YValue;
if YValue < MinY then
MinY := YValue;
ScenarioResultChart.Series[KPIIndex].XLabel[1];
//Add a point to the chart
ScenarioResultChart.Series[KPIIndex].AddXY(XValue, YValue, inttostr(RunIndex * 100), stringtocolor(KPIinfo[KPIIndex,1]));
ScenarioResultChart.Series[KPIIndex].Marks.Visible := True;
ScenarioResultChart.Series[KPIIndex].Marks.Transparent := True;
ScenarioResultChart.Series[KPIIndex].Marks.Font.Size := 10;
ScenarioResultChart.Series[KPIIndex].Marks.Arrow.Color := clBlue;
ScenarioResultChart.Series[KPIIndex].Marks.Arrow.Show;
//ScenarioResultChart
end;
end;
end;

Answer 1

要在轴上显示自己的文本而不是 X 值，请将相应轴的LabelStyle更改为talText并使用OnGetAxisLabel事件：

procedure TForm1.Chart1GetAxisLabel(Sender: TChartAxis; Series: TChartSeries;
ValueIndex: Integer; var LabelText: string);
begin
case ValueIndex of
0: LabelText := 'first';
1: LabelText := 'second';
else
LabelText := 'smth';
end;
end;