// For complete examples and data files, please go to https://github.com/aspose-cells/Aspose.Cells-for-Java
// The path to the documents directory.
String dataDir = Utils.getSharedDataDir(CustomTextforOtherLabelofPieChart.class) + "articles/";

//Loads an existing spreadsheet containing a pie chart
Workbook book = new Workbook(dataDir + "sample.xlsx");

//Assigns the GlobalizationSettings property of the WorkbookSettings class
//to the class created in first step
book.getSettings().setGlobalizationSettings(new CustomSettings());

//Accesses the 1st worksheet from the collection which contains pie chart
Worksheet sheet = book.getWorksheets().get(0);

//Accesses the 1st chart from the collection
Chart chart = sheet.getCharts().get(0);

//Refreshes the chart
chart.calculate();

//Renders the chart to image
chart.toImage(dataDir + "CustomTextforOtherLabelofPieChart_out.png", new ImageOrPrintOptions());