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All Atlas VCL components · Atlas VCL guide

TAtlasChartPoint

A chart point as stored by a series: coordinates, a missing flag and an optional caption.

Record Unit Atlas.Charts · Product Atlas VCL

Description

The record returned by TAtlasChartSeries.Points. Create points with Add and AddMissing; a returned record is a copy, and changing it does not change the chart.

Members

MemberKindWhat it does
XfieldHorizontal position.
YfieldValue.
MissingfieldTrue for a point added with AddMissing.
CaptionfieldCategory label given to Add; empty for a missing point.

Fields

X field

X, Y: Double;

Horizontal position. For a bar chart with captions it is still the position of the bar.

Y field

X, Y: Double;

Value. Always 0 for a missing point.

Missing field

Missing: Boolean;

True for a point added with AddMissing.

Caption field

Caption: string;

Category label given to Add; empty for a missing point.

Examples

Describe a point

Formats a point for a log or a status line.

pascal
uses System.SysUtils, Atlas.Charts;

function DescribePoint(const Point: TAtlasChartPoint): string;
begin
  if Point.Missing then
    Result := Format('x=%g: no value', [Point.X])
  else
    Result := Format('x=%g y=%g %s', [Point.X, Point.Y, Point.Caption]);
end;

TAtlasChartSeries

Also in Atlas VCL

TAtlasTable · TAtlasGrid · TAtlasValueEdit · TAtlasTree · TAtlasWorkbook · TAtlasSheetGrid · TAtlasPivot · TAtlasInspector · TAtlasRichEdit · TAtlasSpellChecker · TAtlasChart · TAtlasGauge · TAtlasThemer · TAtlasWizard · TAtlasWorkspace · TAtlasCommandBar · TAtlasActionTile · TAtlasTileBoard · TAtlasNavigation · TAtlasMap · TAtlasGraph · TAtlasDiagram · TAtlasPrintDocument · TAtlasSchedule · TAtlasScheduler · TAtlasTaskPlan · TAtlasGantt · TAtlasPdfDocument · TAtlasPdfViewer