Specify image resolution, quality, compression and other options
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string FilePath = @"..\..\..\Sample Files\";
string FileName = FilePath + "Chart to Image with Image Options.tiff";
//Instantiating a Workbook object
Workbook workbook = new Workbook();
//Adding a new worksheet to the Excel object
int sheetIndex = workbook.Worksheets.Add();
//Obtaining the reference of the newly added worksheet by
//passing its sheet index
Worksheet worksheet = workbook.Worksheets[sheetIndex];
//Adding a sample value to "A1" cell
worksheet.Cells["A1"].PutValue(50);
//Adding a sample value to "A2" cell
worksheet.Cells["A2"].PutValue(100);
//Adding a sample value to "A3" cell
worksheet.Cells["A3"].PutValue(150);
//Adding a sample value to "B1" cell
worksheet.Cells["B1"].PutValue(4);
//Adding a sample value to "B2" cell
worksheet.Cells["B2"].PutValue(20);
//Adding a sample value to "B3" cell
worksheet.Cells["B3"].PutValue(50);
//Adding a chart to the worksheet
int chartIndex = worksheet.Charts.Add(Aspose.Cells.Charts.ChartType.Column, 5, 0, 15, 5);
//Accessing the instance of the newly added chart
Aspose.Cells.Charts.Chart chart = worksheet.Charts[chartIndex];
//Adding Series Collection (chart data source) to the chart ranging from "A1" cell to "B3"
chart.NSeries.Add("A1:B3", true);
ImageOrPrintOptions options = new ImageOrPrintOptions();
options.HorizontalResolution = 300;
options.VerticalResolution = 300;
options.TiffCompression = TiffCompression.CompressionLZW;
options.IsCellAutoFit = false;
options.ImageFormat = System.Drawing.Imaging.ImageFormat.Tiff;
options.OnePagePerSheet = true;
//Converting chart to image.
chart.ToImage(FileName, options);