ChartMarker class

ChartMarker class

Represents a chart data marker. To learn more, visit the Working with Charts documentation article.

Properties

Name	Description
format	Provides access to fill and line formatting of this marker.
size	Gets or sets chart marker size. Default value is 7.
symbol	Gets or sets chart marker symbol.

Examples

Shows how to work with data points on a line chart.

def test_chart_data_point(self):

    doc = aw.Document()
    builder = aw.DocumentBuilder(doc)

    shape = builder.insert_chart(aw.drawing.charts.ChartType.LINE, 500, 350)
    chart = shape.chart

    self.assertEqual(3, chart.series.count)
    self.assertEqual("Series 1", chart.series[0].name)
    self.assertEqual("Series 2", chart.series[1].name)
    self.assertEqual("Series 3", chart.series[2].name)

    # Emphasize the chart's data points by making them appear as diamond shapes.
    for series in chart.series:
        self.apply_data_points(series, 4, aw.drawing.charts.MarkerSymbol.DIAMOND, 15)

    # Smooth out the line that represents the first data series.
    chart.series[0].smooth = True

    # Verify that data points for the first series will not invert their colors if the value is negative.
    for data_point in chart.series[0].data_points:
        self.assertFalse(data_point.invert_if_negative)

    # For a cleaner looking graph, we can clear format individually.
    chart.series[1].data_points[2].clear_format()

    # We can also strip an entire series of data points at once.
    chart.series[2].data_points.clear_format()

    doc.save(ARTIFACTS_DIR + "Charts.chart_data_point.docx")

def apply_data_points(self, series: aw.drawing.charts.ChartSeries, data_points_count: int, marker_symbol: aw.drawing.charts.MarkerSymbol, data_point_size: int):
    """Applies a number of data points to a series."""

    for i in range(data_points_count):
        point = series.data_points[i]
        point.marker.symbol = marker_symbol
        point.marker.size = data_point_size

        self.assertEqual(i, point.index)

See Also

• module aspose.words.drawing.charts