ChartAxis.MajorUnit property

Returns or sets the distance between major tick marks.

public double MajorUnit { get; set; }


Valid range of a value is greater than zero. The property has effect for time category and value axes.

Setting this property sets the MajorUnitIsAuto property to false.


Shows how to insert a chart and modify the appearance of its axes.

Document doc = new Document();
DocumentBuilder builder = new DocumentBuilder(doc);

Shape shape = builder.InsertChart(ChartType.Column, 500, 300);
Chart chart = shape.Chart;

// Clear the chart's demo data series to start with a clean chart.

// Insert a chart series with categories for the X-axis and respective numeric values for the Y-axis.
chart.Series.Add("Aspose Test Series",
    new[] { "Word", "PDF", "Excel", "GoogleDocs", "Note" },
    new double[] { 640, 320, 280, 120, 150 });

// Chart axes have various options that can change their appearance,
// such as their direction, major/minor unit ticks, and tick marks.
ChartAxis xAxis = chart.AxisX;
xAxis.CategoryType = AxisCategoryType.Category;
xAxis.Crosses = AxisCrosses.Minimum;
xAxis.ReverseOrder = false;
xAxis.MajorTickMark = AxisTickMark.Inside;
xAxis.MinorTickMark = AxisTickMark.Cross;
xAxis.MajorUnit = 10.0d;
xAxis.MinorUnit = 15.0d;
xAxis.TickLabelOffset = 50;
xAxis.TickLabelPosition = AxisTickLabelPosition.Low;
xAxis.TickLabelSpacingIsAuto = false;
xAxis.TickMarkSpacing = 1;

ChartAxis yAxis = chart.AxisY;
yAxis.CategoryType = AxisCategoryType.Automatic;
yAxis.Crosses = AxisCrosses.Maximum;
yAxis.ReverseOrder = true;
yAxis.MajorTickMark = AxisTickMark.Inside;
yAxis.MinorTickMark = AxisTickMark.Cross;
yAxis.MajorUnit = 100.0d;
yAxis.MinorUnit = 20.0d;
yAxis.TickLabelPosition = AxisTickLabelPosition.NextToAxis;

// Column charts do not have a Z-axis.

doc.Save(ArtifactsDir + "Charts.AxisProperties.docx");

See Also