Manage Legend of Excel Charts
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Legend Options
Aspose.Cells for Python via .NET also allows to manage chart’s legend at runtime，with Legend object, legend could be moved , updated and formatted.
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Setting the Legend of Chart
It’s simple to manage legend of the chart with Aspose.Cells for Python via .NET Legend.
The following code snippet demonstrates how to manage legend:
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| from aspose.cells import Workbook | |
| from aspose.cells.charts import ChartType, LegendPositionType | |
| from aspose.pydrawing import Color | |
| # 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(50) | |
| worksheet.cells.get("A2").put_value(100) | |
| worksheet.cells.get("A3").put_value(150) | |
| worksheet.cells.get("B1").put_value(60) | |
| worksheet.cells.get("B2").put_value(32) | |
| worksheet.cells.get("B3").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.n_series.add("A1:B3", True) | |
| # Setting the title of a chart | |
| chart.title.text = "Title" | |
| # Setting the font color of the chart title to blue | |
| chart.title.font.color = Color.blue | |
| # Move the legend to left | |
| chart.legend.position = LegendPositionType.LEFT | |
| # Set font color of the legend | |
| chart.legend.font.color = Color.blue | |
| # Save the file | |
| workbook.save("chart_legend.xlsx") |