Steema Central

Marjan

Hi.

Yes, sure this is possible. If you're using ColorBand tool then you can read it's StartValue and EndValue properties. If you're using two color line tools, then you can read individual tool Value property.

Marjan

Hi. I've tried your exact code with the TeeChart v7.08 and it worked just fine i.e. unchecking/checking the "3D" checkbox switched between 2d and 3d pie. Which TeeChart version are you using ? Do you try to add series at design time or at runtime ? If first, then perhaps you should remove/rebuild yo...

Marjan

Hi. You might try the following things: 1) Decrease the separation between labels. This can be done by setting bottom axis LabelsSeparation property to small value (for example 2): tChart1.Axes.Bottom.LabelsSeparation := 2; 2) Another thing you might try is rotate axis labels 90deg anti-clockwise to...

Marjan

Hi.

Will do. Thanks for the additional info on this type of plot.

Marjan

Hi.

Is this the complete source for custom series ? You're actually using "normal" pie series with customized series editor ?

Marjan

Hi. If you want to show the tChart print preview form, then you can do this by: I) a) dropping a TChartPreviewer component on the form b) connecting the TChartPreviewer component with chart you want to preview. This is done by setting TChartPreviewer.Chart property: chartPreviewer1.Chart := Chart1; ...

Marjan

Hi.

Nope, this chart type is not supported. We'll add this on our wish list.

Marjan

Hi.

Yes, this can be done (by using a TPieTool tool). In TeeChart demo, please check the "All Features -> Tools -> Pie Focus" node. It moreless does exactly what you need.

Marjan

Hi.

No, not by using SetMinMax method. But you can use the following code:

Code: Select all

  With Chart1.Axes.Left do
  begin
    AutomaticMaximum := True;
    AutomaticMinimum := False;
    Minimum := 0.0;
  end;

Marjan

Hi, Thomas. I meant scroll between my first and my last value. For this you have to know the range you want to display. The "visible" part of values is defined by axis minimim and axis maximum. Scrolling is performed as follows: 1) You set axis minimum and maximum (see also answer to your question b...

Marjan

Hi. You could use point series OnGetPointerStyle event to change individual point pointer style. Something like this: function TForm1.Series1GetPointerStyle(Sender: TChartSeries; ValueIndex: Integer): TSeriesPointerStyle; begin if Sender.MandatoryValueList[ValueIndex]>22 then result := psDiagCross e...

Marjan

Hi.

If you're using multiple series then the solution to your problem might be setting chart Legend.LegendStyle property to lsSeries:

Code: Select all

Chart1.Legend.LegendStyle := lsSeries;

Marjan

Hi.

If you simply want to remove/free all series in the Form::OnClose event, then all you must do is cal the

Code: Select all

tChart.FreeAllSeries(nil);

To remove&free specific series you can use:

Code: Select all

tmp := tChart.Series[0];
tmp.ParentChart := nil;
tmp.Free;

Marjan

Hi. SeriesExists function has to be coded (doesn't exists). The idea is to cycle through all chart series and if there is a match (series title is equal to "Well" column name, return series, otherwise return nil.). It's not too complicated at all: function SeriesExists(aChart: TCustomChart; ColName:...

Marjan

Hi.

How did you create and connect linetool to chart ? The following code works just fine:

Code: Select all

var line: TColorLineTool;
begin
  line := TColorLineTool.Create(Chart1);
  Chart1.Tools.Add(line);
  line.Value := 0;
  line.Axis := Chart1.Axes.Bottom;

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