JavaScript Stacked Column Chart

1import {
2    ENumericFormat,
3    MouseWheelZoomModifier,
4    NumericAxis,
5    SciChartSurface,
6    StackedColumnCollection,
7    StackedColumnRenderableSeries,
8    WaveAnimation,
9    XyDataSeries,
10    ZoomExtentsModifier,
11    ZoomPanModifier,
12    EColumnDataLabelPosition,
13    IStackedColumnSeriesDataLabelProviderOptions,
14    EVerticalTextPosition,
15    NumberRange,
16    Thickness,
17} from "scichart";
18import { appTheme } from "../../../theme";
19
20export const drawExample = async (rootElement: string | HTMLDivElement) => {
21    // Create a SciChartSurface
22    const { wasmContext, sciChartSurface } = await SciChartSurface.create(rootElement, {
23        theme: appTheme.SciChartJsTheme,
24    });
25
26    // Create XAxis, YAxis
27    sciChartSurface.xAxes.add(
28        new NumericAxis(wasmContext, {
29            labelFormat: ENumericFormat.Decimal,
30            labelPrecision: 0,
31            autoTicks: false,
32            majorDelta: 1,
33            minorDelta: 1,
34            drawMajorGridLines: false,
35            drawMinorGridLines: false,
36            drawMajorBands: false,
37            axisTitle: "Year",
38        })
39    );
40    sciChartSurface.yAxes.add(
41        new NumericAxis(wasmContext, {
42            labelPrecision: 0,
43            growBy: new NumberRange(0, 0.05),
44            axisTitle: "Sales $USD (Billion)",
45        })
46    );
47
48    // Data for the example
49    const xValues = [1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003];
50    const yValues1 = [10, 13, 7, 16, 4, 6, 20, 14, 16, 10, 24, 11];
51    const yValues2 = [12, 17, 21, 15, 19, 18, 13, 21, 22, 20, 5, 10];
52    const yValues3 = [7, 30, 27, 24, 21, 15, 17, 26, 22, 28, 21, 22];
53    const yValues4 = [16, 10, 9, 8, 22, 14, 12, 27, 25, 23, 17, 17];
54    const yValues5 = [7, 24, 21, 11, 19, 17, 14, 27, 26, 22, 28, 16];
55
56    const dataLabels: IStackedColumnSeriesDataLabelProviderOptions = {
57        color: "#FFfFFF",
58        style: { fontSize: 12, fontFamily: "Arial", padding: new Thickness(0, 0, 2, 0) },
59        precision: 0,
60        positionMode: EColumnDataLabelPosition.Outside,
61        verticalTextPosition: EVerticalTextPosition.Center,
62    };
63
64    // Create some RenderableSeries - for each part of the stacked column
65    // Notice the stackedGroupId. This defines if series are stacked (same), or grouped side by side (different)
66    const rendSeries1 = new StackedColumnRenderableSeries(wasmContext, {
67        dataSeries: new XyDataSeries(wasmContext, { xValues, yValues: yValues1, dataSeriesName: "EU" }),
68        fill: appTheme.VividPurple,
69        stroke: appTheme.PaleSkyBlue,
70        opacity: 0.8,
71        stackedGroupId: "StackedGroupId",
72        dataLabels,
73    });
74
75    const rendSeries2 = new StackedColumnRenderableSeries(wasmContext, {
76        dataSeries: new XyDataSeries(wasmContext, { xValues, yValues: yValues2, dataSeriesName: "Asia" }),
77        fill: appTheme.VividPink,
78        stroke: appTheme.PaleSkyBlue,
79        opacity: 0.8,
80        stackedGroupId: "StackedGroupId",
81        dataLabels,
82    });
83
84    const rendSeries3 = new StackedColumnRenderableSeries(wasmContext, {
85        dataSeries: new XyDataSeries(wasmContext, { xValues, yValues: yValues3, dataSeriesName: "USA" }),
86        fill: appTheme.VividOrange,
87        stroke: appTheme.PaleSkyBlue,
88        opacity: 0.8,
89        stackedGroupId: "StackedGroupId",
90        dataLabels,
91    });
92
93    const rendSeries4 = new StackedColumnRenderableSeries(wasmContext, {
94        dataSeries: new XyDataSeries(wasmContext, { xValues, yValues: yValues4, dataSeriesName: "UK" }),
95        fill: appTheme.VividSkyBlue,
96        stroke: appTheme.PaleSkyBlue,
97        opacity: 0.8,
98        stackedGroupId: "StackedGroupId",
99        dataLabels,
100    });
101
102    const rendSeries5 = new StackedColumnRenderableSeries(wasmContext, {
103        dataSeries: new XyDataSeries(wasmContext, { xValues, yValues: yValues5, dataSeriesName: "Latam" }),
104        fill: appTheme.VividTeal,
105        stroke: appTheme.PaleSkyBlue,
106        opacity: 0.8,
107        stackedGroupId: "StackedGroupId",
108        dataLabels,
109    });
110
111    // To add the series to the chart, put them in a StackedColumnCollection
112    const stackedColumnCollection = new StackedColumnCollection(wasmContext, {
113        dataPointWidth: 0.6,
114    });
115
116    stackedColumnCollection.add(rendSeries1, rendSeries2, rendSeries3, rendSeries4, rendSeries5);
117    stackedColumnCollection.animation = new WaveAnimation({ duration: 1000, fadeEffect: true });
118
119    sciChartSurface.renderableSeries.add(stackedColumnCollection);
120
121    // Add some interactivity modifiers
122    sciChartSurface.chartModifiers.add(
123        new ZoomExtentsModifier(),
124        new ZoomPanModifier({ enableZoom: true }),
125        new MouseWheelZoomModifier()
126    );
127
128    sciChartSurface.zoomExtents();
129
130    const toggleHundredPercentMode = (value: boolean) => {
131        stackedColumnCollection.isOneHundredPercent = value;
132        sciChartSurface.zoomExtents(200);
133    };
134
135    const toggleDataLabels = (areDataLabelsVisible: boolean) => {
136        for (let i = 0; i < 5; i++) {
137            const columnSeries = stackedColumnCollection.get(i);
138            columnSeries.dataLabelProvider.style.fontSize = areDataLabelsVisible ? 0 : 12;
139        }
140        sciChartSurface.invalidateElement();
141    };
142
143    return { sciChartSurface, controls: { toggleHundredPercentMode, toggleDataLabels } };
144};
145