JavaScript Chart with Multiple X Axes

1import {
2    EAxisAlignment,
3    ECoordinateMode,
4    EHorizontalAnchorPoint,
5    ELabelAlignment,
6    EllipsePointMarker,
7    EMultiLineAlignment,
8    ENumericFormat,
9    EVerticalAnchorPoint,
10    EWrapTo,
11    FastLineRenderableSeries,
12    MouseWheelZoomModifier,
13    NativeTextAnnotation,
14    NumberRange,
15    NumericAxis,
16    SciChartSurface,
17    TextAnnotation,
18    XAxisDragModifier,
19    XyDataSeries,
20    YAxisDragModifier,
21    ZoomExtentsModifier,
22    ZoomPanModifier,
23} from "scichart";
24import { appTheme } from "../../../theme";
25import { RandomWalkGenerator } from "../../../ExampleData/RandomWalkGenerator";
26
27const titleStyle1 = {
28    color: appTheme.VividSkyBlue,
29    fontSize: 30,
30};
31const labelStyle1 = {
32    color: appTheme.VividSkyBlue,
33};
34const titleStyle2 = {
35    color: appTheme.VividOrange,
36    fontSize: 30,
37};
38const labelStyle2 = {
39    color: appTheme.VividOrange,
40    alignment: ELabelAlignment.Right,
41};
42
43const ID_X_AXIS_2 = "xAxis2";
44const ID_Y_AXIS_2 = "yAxis2";
45
46export const drawExample = async (rootElement: string | HTMLDivElement) => {
47    // Create the SciChartSurface with theme
48    const { sciChartSurface, wasmContext } = await SciChartSurface.create(rootElement, {
49        theme: appTheme.SciChartJsTheme,
50    });
51
52    // Add a primary X,Y Axis pair
53    sciChartSurface.xAxes.add(
54        new NumericAxis(wasmContext, {
55            axisAlignment: EAxisAlignment.Bottom,
56            axisTitle: "X Axis Bottom",
57            axisTitleStyle: titleStyle1,
58            labelStyle: labelStyle1,
59            backgroundColor: appTheme.VividSkyBlue + "22",
60            axisBorder: {
61                borderTop: 1,
62                color: appTheme.VividSkyBlue,
63            },
64        })
65    );
66
67    sciChartSurface.yAxes.add(
68        new NumericAxis(wasmContext, {
69            axisAlignment: EAxisAlignment.Left,
70            axisTitle: "Y Axis Left",
71            axisTitleStyle: titleStyle1,
72            labelStyle: labelStyle1,
73            growBy: new NumberRange(0.1, 0.1),
74            backgroundColor: appTheme.VividSkyBlue + "22",
75            axisBorder: {
76                borderRight: 1,
77                color: appTheme.VividSkyBlue,
78            },
79        })
80    );
81
82    // Add a secondary X,Y Axis pair
83    // Series are tied to the axis via the ID_
84    sciChartSurface.xAxes.add(
85        new NumericAxis(wasmContext, {
86            id: ID_X_AXIS_2,
87            axisTitleStyle: titleStyle2,
88            labelStyle: labelStyle2,
89            axisAlignment: EAxisAlignment.Top,
90            axisTitle: "X Axis Top",
91            backgroundColor: appTheme.VividOrange + "22",
92            axisBorder: {
93                borderBottom: 1,
94                color: appTheme.VividOrange,
95            },
96        })
97    );
98
99    sciChartSurface.yAxes.add(
100        new NumericAxis(wasmContext, {
101            id: ID_Y_AXIS_2,
102            axisTitleStyle: titleStyle2,
103            labelStyle: labelStyle2,
104            axisAlignment: EAxisAlignment.Right,
105            axisTitle: "Y Axis Right",
106            labelFormat: ENumericFormat.Decimal,
107            labelPrecision: 2,
108            growBy: new NumberRange(0.1, 0.1),
109            backgroundColor: appTheme.VividOrange + "22",
110            axisBorder: {
111                borderLeft: 1,
112                color: appTheme.VividOrange,
113            },
114        })
115    );
116
117    // generate some data
118    let data = new RandomWalkGenerator().Seed(1337).getRandomWalkSeries(100);
119
120    // Add the first line series on the primary X,Y axis
121    // This occurs be default as FastLineRenderableSeries XAxisId and YAxisId are set to a default value
122    sciChartSurface.renderableSeries.add(
123        new FastLineRenderableSeries(wasmContext, {
124            stroke: appTheme.VividSkyBlue,
125            strokeThickness: 3,
126            dataSeries: new XyDataSeries(wasmContext, { xValues: data.xValues, yValues: data.yValues }),
127            pointMarker: new EllipsePointMarker(wasmContext, {
128                width: 5,
129                height: 5,
130                fill: appTheme.VividSkyBlue,
131                stroke: appTheme.VividSkyBlue,
132            }),
133        })
134    );
135
136    data = new RandomWalkGenerator().Seed(90210).getRandomWalkSeries(100);
137
138    // The second line series we specify X/Y axis ids to bind this to the correct axis
139    sciChartSurface.renderableSeries.add(
140        new FastLineRenderableSeries(wasmContext, {
141            stroke: appTheme.VividOrange,
142            strokeThickness: 3,
143            dataSeries: new XyDataSeries(wasmContext, { xValues: data.xValues, yValues: data.yValues }),
144            xAxisId: ID_X_AXIS_2,
145            yAxisId: ID_Y_AXIS_2,
146            pointMarker: new EllipsePointMarker(wasmContext, {
147                width: 5,
148                height: 5,
149                fill: appTheme.VividOrange,
150                stroke: appTheme.VividOrange,
151            }),
152        })
153    );
154
155    // Optional: Add some interactivity modifiers to enable zooming and panning
156    sciChartSurface.chartModifiers.add(
157        new YAxisDragModifier(),
158        new XAxisDragModifier(),
159        new ZoomPanModifier({ enableZoom: true }),
160        new MouseWheelZoomModifier(),
161        new ZoomExtentsModifier()
162    );
163
164    // Add a title over the chart with information
165    sciChartSurface.annotations.add(
166        new NativeTextAnnotation({
167            x1: 0.01,
168            y1: 0.01,
169            xCoordinateMode: ECoordinateMode.Relative,
170            yCoordinateMode: ECoordinateMode.Relative,
171            horizontalAnchorPoint: EHorizontalAnchorPoint.Left,
172            verticalAnchorPoint: EVerticalAnchorPoint.Top,
173            fontSize: 18,
174            opacity: 0.55,
175            textColor: appTheme.ForegroundColor,
176            text: "SciChart.js supports unlimited X,Y axis.  Drag an axis to see the series scale",
177            wrapTo: EWrapTo.ViewRect,
178            multiLineAlignment: EMultiLineAlignment.Left,
179        })
180    );
181
182    sciChartSurface.annotations.add(
183        new TextAnnotation({
184            x1: 30,
185            y1: -3.5,
186            fontSize: 18,
187            textColor: appTheme.VividSkyBlue,
188            text: "Blue series is bound to the Left, Bottom axis",
189        })
190    );
191
192    // Note annotations need X,Y Axis Id as well in multi-axis scenarios
193    sciChartSurface.annotations.add(
194        new TextAnnotation({
195            x1: 68,
196            y1: 3.7,
197            fontSize: 18,
198            textColor: appTheme.VividOrange,
199            horizontalAnchorPoint: EHorizontalAnchorPoint.Right,
200            yAxisId: ID_Y_AXIS_2,
201            xAxisId: ID_X_AXIS_2,
202            text: "Orange series is bound to the Top, Right axis",
203        })
204    );
205
206    return { sciChartSurface, wasmContext };
207};
208