Manage Axes of Excel Charts
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In Excel charts, there are 3 kinds of Axes:
- Horizonal(Category) Axis : X Axis
- Vertical(Value) Axis : Y Axis
- Depth(Series) Axis : Z Axis
Axis Options
Aspose.Cells for Python via .NET also allows to manage chart’s axes at runtime，with Axis object, you can change all options of Axis as done in Excel.
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Manage X and Y Axes
In Excel chart, horizonal and vertical axes are the two most popular axes to use.
The following code snippet demonstrates how to set the options of X and Y axes .
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| from aspose.cells import Workbook | |
| from aspose.cells.charts import ChartType | |
| # Instantiating a Workbook object | |
| workbook = Workbook() | |
| # Adding a new worksheet to the Workbook object | |
| sheetIndex = workbook.worksheets.add() | |
| # Obtaining the reference of the newly added worksheet by passing its sheet index | |
| worksheet = workbook.worksheets[sheetIndex] | |
| # Adding sample values to cells | |
| worksheet.cells.get("A1").put_value("Series1") | |
| worksheet.cells.get("A2").put_value(50) | |
| worksheet.cells.get("A3").put_value(100) | |
| worksheet.cells.get("A4").put_value(150) | |
| worksheet.cells.get("B1").put_value("Series2") | |
| worksheet.cells.get("B2").put_value(60) | |
| worksheet.cells.get("B3").put_value(32) | |
| worksheet.cells.get("B4").put_value(50) | |
| # Adding a chart to the worksheet | |
| chartIndex = worksheet.charts.add(ChartType.COLUMN, 5, 0, 15, 5) | |
| # Accessing the instance of the newly added chart | |
| chart = worksheet.charts[chartIndex] | |
| # Adding SeriesCollection (chart data source) to the chart ranging from "A1" cell to "B3" | |
| chart.set_chart_data_range("A1:B4", True) | |
| # hiding X axis | |
| chart.category_axis.is_visible = False | |
| # Setting max value of Y axis. | |
| chart.value_axis.max_value = 200 | |
| # Setting major unit. | |
| chart.value_axis.major_unit = 50.0 | |
| # Save the file | |
| workbook.save("chart_axes.xlsx") |