Export Chart to SVG with viewBox attribute
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By default, when the chart is exported to SVG format, the viewBox attribute is not included in its XML. However, Aspose.Cells for Python via .NET provides ImageOrPrintOptions.svg_fit_to_view_port property which when set to true exports the chart to SVG with viewBox attribute.
Export Chart to SVG with viewBox attribute
The following sample code exports the chart to SVG format with the viewBox attribute.
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| from aspose.cells import SaveFormat, Workbook | |
| from aspose.cells.rendering import ImageOrPrintOptions | |
| # For complete examples and data files, please go to https:# github.com/aspose-cells/Aspose.Cells-for-.NET | |
| # The path to the documents directory. | |
| dataDir = RunExamples.GetDataDir(".") | |
| # Create workbook object from source file | |
| workbook = Workbook(dataDir + "SampleChartBook.xlsx") | |
| # Access first worksheet | |
| worksheet = workbook.worksheets[0] | |
| # Access first chart inside the worksheet | |
| chart = worksheet.charts[0] | |
| # Set image or print options with SVGFitToViewPort true | |
| opts = ImageOrPrintOptions() | |
| opts.save_format = SaveFormat.SVG | |
| opts.svg_fit_to_view_port = True | |
| # Save the chart to svg format | |
| chart.to_image(dataDir + "Image_out.svg", opts) |
If you open the chart’s SVG in notepad, you will find the viewBox attribute similar to this.
<svg xmlns="http://www.w3.org/2000/svg"
xmlns:xlink="http://www.w3.org/1999/xlink"
<span class="n">width</span><span class="o">=</span><span class="s">"100%"</span> <span class="n">height</span><span class="o">=</span><span class="s">"100%"</span>
<span class="n">viewBox</span><span class="o">=</span><span class="s">"0 0 480 288"</span><span class="o">></span></code></pre></div>