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FibonacciSpeedResistanceArcsAnnotation

FibonacciSpeedResistanceArcsAnnotationšŸ“˜ draws concentric Fibonacci arcs from two placed points. Point 1 is the arc center. Point 2 defines the threshold 1 radius and chooses whether the arcs open above or below the center.

const { NumberRange, NumericAxis, SciChartSurface } = SciChart;
const {
    EFibonacciLabelColorMode,
    EFibonacciLabelPlacement,
    FibonacciSpeedResistanceArcsAnnotation,
    SciTraderLightTheme,
    EAnnotationVisibilityMode
} = SciChartFinancialTools; // if using npm, import from "scichart-financial-tools";

const { wasmContext, sciChartSurface } = await SciChartSurface.create(divElementId, {
    theme: new SciTraderLightTheme()
});

sciChartSurface.xAxes.add(new NumericAxis(wasmContext, { visibleRange: new NumberRange(0, 100) }));
sciChartSurface.yAxes.add(new NumericAxis(wasmContext, { visibleRange: new NumberRange(150, 900) }));

sciChartSurface.annotations.add(
    new FibonacciSpeedResistanceArcsAnnotation({
        // Point 2 is above point 1, so the arcs open upward.
        points: [
            { x: 50, y: 260 },
            { x: 63, y: 550 } // does not NEED to be on the same x as first point
        ],
        thresholds: [0, 0.236, 0.382, 0.5, 0.618, 0.786, 1, 1.618],
        regionColors: ["#0871B2", "darkgreen", "#D56E0B"],
        fillOpacity: 0.25,
        strokeThickness: 2,
        // connectorLineStroke: "#242424",
        connectorLineStrokeDashArray: [10, 3],
        fibonacciLabelPlacement: EFibonacciLabelPlacement.Top,
        fibonacciLabelColorMode: EFibonacciLabelColorMode.MultiColor,
        formatFibonacciLabel: ({ thresholdLabel }) => ("ratio: " + thresholdLabel),

        isEditable: true,
        gripVisibility: EAnnotationVisibilityMode.Always
    })
);

This annotation is arc-based, so it inherits the shared Fibonacci threshold, region and label properties from FibonacciArcAnnotationBasešŸ“˜. Regions are drawn between neighboring arcs. The connector line is often useful because it shows the reference radius used for threshold 1.

See Alsoā€‹