So I have a fairly standard chart method using the c# DocumentFormat.OpenXML, namespace which works fine. But I can't figure out how to put number labels on the axes, specifically the value axis. Unfortunately the c# openxml is almost completely undocumented. I'll be happy to see an answer elsewhere if this is a duplicate question, because I can't find it. How do I add number labels to my axes?
My full code is below, but here is the part where I create the value axis, so I assume I have to add something in the parentheses here, like a new ???? but I don't know what it is.
ValueAxis valAx = plotArea.AppendChild<ValueAxis>(new ValueAxis(new AxisId() { Val = new UInt32Value(48672768u) },
new Scaling(new DocumentFormat.OpenXml.Drawing.Charts.Orientation()
{
Val = new EnumValue<DocumentFormat.OpenXml.Drawing.Charts.OrientationValues>(
DocumentFormat.OpenXml.Drawing.Charts.OrientationValues.MinMax)
}),
new AxisPosition() { Val = new EnumValue<AxisPositionValues>(AxisPositionValues.Left) },
new MajorGridlines(),
new DocumentFormat.OpenXml.Drawing.Charts.NumberingFormat()
{
FormatCode = new StringValue("General"),
SourceLinked = new BooleanValue(true)
}, new TickLabelPosition()
{
Val = new EnumValue<TickLabelPositionValues>(TickLabelPositionValues.NextTo)
}, new CrossingAxis() { Val = new UInt32Value(48650112U) },
new Crosses() { Val = new EnumValue<CrossesValues>(CrossesValues.AutoZero) },
new CrossBetween() { Val = new EnumValue<CrossBetweenValues>(CrossBetweenValues.Between) })
//, new ???????() { ???? } //I think I need to add something here
);
Here is the graph I'm getting now:
And here is how I want it to look:
Here is the full code:
private static void InsertChartInSpreadsheet(SpreadsheetDocument document, string title, Dictionary<string, int> data)
{
WorksheetPart graphWorksheetPart = (WorksheetPart)document.WorkbookPart.AddNewPart<WorksheetPart>();
graphWorksheetPart.Worksheet = new Worksheet(new SheetData());
Sheets sheets = document.WorkbookPart.Workbook.GetFirstChild<Sheets>() ;
Sheet sheet = new Sheet()
{
Id = document.WorkbookPart.GetIdOfPart(graphWorksheetPart),
SheetId = 2,
Name = "Graph"
};
sheets.Append(sheet);
// Add a new drawing to the worksheet.
DrawingsPart drawingsPart = graphWorksheetPart.AddNewPart<DrawingsPart>();
graphWorksheetPart.Worksheet.Append(new DocumentFormat.OpenXml.Spreadsheet.Drawing()
{ Id = graphWorksheetPart.GetIdOfPart(drawingsPart) });
graphWorksheetPart.Worksheet.Save();
// Add a new chart and set the chart language to English-US.
ChartPart chartPart = drawingsPart.AddNewPart<ChartPart>();
chartPart.ChartSpace = new ChartSpace();
chartPart.ChartSpace.Append(new EditingLanguage() { Val = new StringValue("en-US") });
DocumentFormat.OpenXml.Drawing.Charts.Chart chart = chartPart.ChartSpace.AppendChild<DocumentFormat.OpenXml.Drawing.Charts.Chart>(
new DocumentFormat.OpenXml.Drawing.Charts.Chart());
// Create a new clustered column chart.
PlotArea plotArea = chart.AppendChild<PlotArea>(new PlotArea());
Layout layout = plotArea.AppendChild<Layout>(new Layout());
BarChart barChart = plotArea.AppendChild<BarChart>(new BarChart(new BarDirection()
{ Val = new EnumValue<BarDirectionValues>(BarDirectionValues.Column) },
new BarGrouping() { Val = new EnumValue<BarGroupingValues>(BarGroupingValues.Clustered) }));
uint i = 0;
// Iterate through each key in the Dictionary collection and add the key to the chart Series
// and add the corresponding value to the chart Values.
foreach (string key in data.Keys)
{
BarChartSeries barChartSeries = barChart.AppendChild<BarChartSeries>(new BarChartSeries(new Index()
{
Val = new UInt32Value(i)
},
new Order() { Val = new UInt32Value(i) },
new SeriesText(new NumericValue() { Text = key })));
StringLiteral strLit = barChartSeries.AppendChild<CategoryAxisData>(new CategoryAxisData()).AppendChild<StringLiteral>(new StringLiteral());
strLit.Append(new PointCount() { Val = new UInt32Value(1U) });
strLit.AppendChild<StringPoint>(new StringPoint() { Index = new UInt32Value(0U) }).Append(new NumericValue(title));
NumberLiteral numLit = barChartSeries.AppendChild<DocumentFormat.OpenXml.Drawing.Charts.Values>(
new DocumentFormat.OpenXml.Drawing.Charts.Values()).AppendChild<NumberLiteral>(new NumberLiteral());
numLit.Append(new FormatCode("General"));
numLit.Append(new PointCount() { Val = new UInt32Value(1U) });
numLit.AppendChild<NumericPoint>(new NumericPoint() { Index = new UInt32Value(0u) }).Append(new NumericValue(data[key].ToString()));
i++;
}
barChart.Append(new AxisId() { Val = new UInt32Value(48650112u) });
barChart.Append(new AxisId() { Val = new UInt32Value(48672768u) });
// Add the Category Axis.
CategoryAxis catAx = plotArea.AppendChild<CategoryAxis>(new CategoryAxis(new AxisId()
{ Val = new UInt32Value(48650112u) }, new Scaling(new DocumentFormat.OpenXml.Drawing.Charts.Orientation()
{
Val = new EnumValue<DocumentFormat.OpenXml.Drawing.Charts.OrientationValues>(DocumentFormat.OpenXml.Drawing.Charts.OrientationValues.MinMax)
}),
new AxisPosition() { Val = new EnumValue<AxisPositionValues>(AxisPositionValues.Bottom) },
new TickLabelPosition() { Val = new EnumValue<TickLabelPositionValues>(TickLabelPositionValues.NextTo) },
new CrossingAxis() { Val = new UInt32Value(48672768U) },
new Crosses() { Val = new EnumValue<CrossesValues>(CrossesValues.AutoZero) },
new AutoLabeled() { Val = new BooleanValue(true) },
new LabelAlignment() { Val = new EnumValue<LabelAlignmentValues>(LabelAlignmentValues.Center) },
new LabelOffset() { Val = new UInt16Value((ushort)100) }));
// Add the Value Axis.
ValueAxis valAx = plotArea.AppendChild<ValueAxis>(new ValueAxis(new AxisId() { Val = new UInt32Value(48672768u) },
new Scaling(new DocumentFormat.OpenXml.Drawing.Charts.Orientation()
{
Val = new EnumValue<DocumentFormat.OpenXml.Drawing.Charts.OrientationValues>(
DocumentFormat.OpenXml.Drawing.Charts.OrientationValues.MinMax)
}),
new AxisPosition() { Val = new EnumValue<AxisPositionValues>(AxisPositionValues.Left) },
new MajorGridlines(),
new DocumentFormat.OpenXml.Drawing.Charts.NumberingFormat()
{
FormatCode = new StringValue("General"),
SourceLinked = new BooleanValue(true)
}, new TickLabelPosition()
{
Val = new EnumValue<TickLabelPositionValues>(TickLabelPositionValues.NextTo)
}, new CrossingAxis() { Val = new UInt32Value(48650112U) },
new Crosses() { Val = new EnumValue<CrossesValues>(CrossesValues.AutoZero) },
new CrossBetween() { Val = new EnumValue<CrossBetweenValues>(CrossBetweenValues.Between) }),
);
// Add the chart Legend.
Legend legend = chart.AppendChild<Legend>(new Legend(new LegendPosition() { Val = new EnumValue<LegendPositionValues>(LegendPositionValues.Right) },
new Layout()));
chart.Append(new PlotVisibleOnly() { Val = new BooleanValue(true) });
// Save the chart part.
chartPart.ChartSpace.Save();
// Position the chart on the worksheet using a TwoCellAnchor object.
drawingsPart.WorksheetDrawing = new WorksheetDrawing();
TwoCellAnchor twoCellAnchor = drawingsPart.WorksheetDrawing.AppendChild<TwoCellAnchor>(new TwoCellAnchor());
twoCellAnchor.Append(new DocumentFormat.OpenXml.Drawing.Spreadsheet.FromMarker(new ColumnId("1"),
new ColumnOffset("581025"),
new RowId("1"),
new RowOffset("114300")));
twoCellAnchor.Append(new DocumentFormat.OpenXml.Drawing.Spreadsheet.ToMarker(new ColumnId("9"),
new ColumnOffset("276225"),
new RowId("16"),
new RowOffset("0")));
// Append a GraphicFrame to the TwoCellAnchor object.
DocumentFormat.OpenXml.Drawing.Spreadsheet.GraphicFrame graphicFrame =
twoCellAnchor.AppendChild<DocumentFormat.OpenXml.Drawing.Spreadsheet.GraphicFrame>(new DocumentFormat.OpenXml.Drawing.Spreadsheet.GraphicFrame());
graphicFrame.Macro = "";
graphicFrame.Append(new DocumentFormat.OpenXml.Drawing.Spreadsheet.NonVisualGraphicFrameProperties(
new DocumentFormat.OpenXml.Drawing.Spreadsheet.NonVisualDrawingProperties() { Id = new UInt32Value(2u), Name = "Chart 1" },
new DocumentFormat.OpenXml.Drawing.Spreadsheet.NonVisualGraphicFrameDrawingProperties()));
graphicFrame.Append(new Transform(new Offset() { X = 0L, Y = 0L },
new Extents() { Cx = 0L, Cy = 0L }));
graphicFrame.Append(new Graphic(new GraphicData(new ChartReference() { Id = drawingsPart.GetIdOfPart(chartPart) })
{ Uri = "http://schemas.openxmlformats.org/drawingml/2006/chart" }));
twoCellAnchor.Append(new ClientData());
// Save the WorksheetDrawing object.
drawingsPart.WorksheetDrawing.Save();
}