Class: Scale<O>

    + new Scale<O>(cfg: { chart: <bar | line | scatter | bubble | pie | doughnut | polarArea | radar, (number | ScatterDataPoint | )[], unknown> ; ctx: CanvasRenderingContext2D ; id: string ; type: string }): Scale<O>

    Type parameters:

    NameTypeDefault
    OCoreScaleOptions

    Parameters:

    NameType
    cfgobject
    cfg.chart<bar | line | scatter | bubble | pie | doughnut | polarArea | radar, (number | ScatterDataPoint | )[], unknown>
    cfg.ctxCanvasRenderingContext2D
    cfg.idstring
    cfg.typestring

    Returns: Scale<O>

    Inherited from: void

    Defined in:

    active

    Readonly active: boolean

    Inherited from: void

    Defined in:


    axis

    axis: string

    Defined in:


    bottom

    bottom: number

    Bottom edge of the item. Set by layout system and cannot be used in update

    Inherited from: .bottom

    Defined in:


    chart

    Readonly chart: <bar | line | scatter | bubble | pie | doughnut | polarArea | radar, (number | ScatterDataPoint | )[], unknown>

    Defined in: index.esm.d.ts:1144 (opens new window)


    ctx

    Readonly ctx: CanvasRenderingContext2D

    Defined in: index.esm.d.ts:1143Scale - 图6 (opens new window)


    fullSize

    fullSize: boolean

    if true, and the item is horizontal, then push vertical boxes down

    Inherited from: LayoutItem.

    Defined in: layout.d.ts:17 (opens new window)


    height

    height: number

    Height of item. Must be valid after update()

    Inherited from: LayoutItem.

    Defined in: layout.d.ts:25Scale - 图8 (opens new window)


    id

    Readonly id: string

    Defined in: index.esm.d.ts:1141 (opens new window)


    labelRotation

    labelRotation: number

    Defined in: index.esm.d.ts:1155Scale - 图10 (opens new window)


    left

    left: number

    Left edge of the item. Set by layout system and cannot be used in update

    Inherited from: LayoutItem.

    Defined in: layout.d.ts:29 (opens new window)


    max

    max: number

    Defined in: index.esm.d.ts:1157Scale - 图12 (opens new window)


    maxHeight

    maxHeight: number

    Defined in: index.esm.d.ts:1147 (opens new window)


    maxWidth

    maxWidth: number

    Defined in: index.esm.d.ts:1146Scale - 图14 (opens new window)


    min

    min: number

    Defined in: index.esm.d.ts:1156 (opens new window)


    options

    Readonly options: O

    Inherited from: void

    Defined in: element.d.ts:7Scale - 图16 (opens new window)


    paddingBottom

    paddingBottom: number

    Defined in: index.esm.d.ts:1150 (opens new window)


    paddingLeft

    paddingLeft: number

    Defined in: index.esm.d.ts:1151Scale - 图18 (opens new window)


    paddingRight

    paddingRight: number

    Defined in: index.esm.d.ts:1152 (opens new window)


    paddingTop

    paddingTop: number

    Defined in: index.esm.d.ts:1149Scale - 图20 (opens new window)


    position

    position: LayoutPosition

    The position of the item in the chart layout. Possible values are

    Inherited from: .position

    Defined in:


    right

    right: number

    Right edge of the item. Set by layout system and cannot be used in update

    Inherited from: .right

    Defined in:


    ticks

    ticks: []

    Defined in: index.esm.d.ts:1158 (opens new window)


    top

    top: number

    Top edge of the item. Set by layout system and cannot be used in update

    Inherited from: LayoutItem.

    Defined in: layout.d.ts:33Scale - 图24 (opens new window)


    type

    Readonly type: string

    Defined in: index.esm.d.ts:1142 (opens new window)


    weight

    weight: number

    The weight used to sort the item. Higher weights are further away from the chart area

    Inherited from: LayoutItem.

    Defined in: layout.d.ts:13Scale - 图26 (opens new window)


    width: number

    Width of item. Must be valid after update()

    Inherited from: .width

    Defined in:


    x

    Readonly x: number

    Inherited from: void

    Defined in:


    y

    Readonly y: number

    Inherited from: void

    Defined in:

    afterBuildTicks

    afterBuildTicks(): void

    Returns: void

    Defined in:


    afterCalculateLabelRotation

    afterCalculateLabelRotation(): void

    Defined in:


    afterDataLimits

    afterDataLimits(): void

    Returns: void

    Defined in:


    afterFit

    afterFit(): void

    Returns: void

    Defined in:


    afterSetDimensions

    afterSetDimensions(): void

    Returns: void

    Defined in:


    afterTickToLabelConversion

    afterTickToLabelConversion(): void

    Returns: void

    Defined in:


    afterUpdate

    afterUpdate(): void

    Returns: void

    Defined in:


    beforeBuildTicks

    beforeBuildTicks(): void

    Returns: void

    Defined in:


    beforeCalculateLabelRotation

    beforeCalculateLabelRotation(): void

    Returns: void

    Defined in:


    beforeDataLimits

    beforeDataLimits(): void

    Returns: void

    Defined in:


    beforeFit

    beforeFit(): void

    Returns: void

    Defined in:


    beforeLayout

    OptionalbeforeLayout(): void

    Called before the layout process starts

    Returns: void

    Inherited from:

    Defined in: layout.d.ts:46 (opens new window)


    beforeSetDimensions

    beforeSetDimensions(): void

    Returns: void

    Defined in: index.esm.d.ts:1230Scale - 图42 (opens new window)


    beforeTickToLabelConversion

    beforeTickToLabelConversion(): void

    Returns: void

    Defined in: index.esm.d.ts:1239 (opens new window)


    beforeUpdate

    beforeUpdate(): void

    Returns: void

    Defined in: index.esm.d.ts:1227Scale - 图44 (opens new window)


    buildTicks

    buildTicks(): Tick[]

    Returns: []

    Defined in: index.esm.d.ts:1237 (opens new window)


    calculateLabelRotation

    calculateLabelRotation(): void

    Returns: void

    Defined in: index.esm.d.ts:1243Scale - 图46 (opens new window)


    configure

    configure(): void

    Returns: void

    Defined in: index.esm.d.ts:1228 (opens new window)


    determineDataLimits

    determineDataLimits(): void

    Returns: void

    Defined in: index.esm.d.ts:1234Scale - 图48 (opens new window)


    draw

    draw(chartArea: ChartArea): void

    Draws the element

    Parameters:

    NameType
    chartAreaChartArea

    Returns: void

    Inherited from:

    Defined in: layout.d.ts:50 (opens new window)


    drawGrid

    drawGrid(chartArea: ChartArea): void

    Parameters:

    NameType
    chartAreaChartArea

    Returns: void

    Defined in:


    drawLabels

    drawLabels(chartArea: ): void

    Parameters:

    NameType
    chartArea

    Returns: void

    Defined in: index.esm.d.ts:1162 (opens new window)


    drawTitle

    drawTitle(chartArea: ChartArea): void

    Parameters:

    NameType
    chartAreaChartArea

    Returns: void

    Defined in:


    fit(): void

    Returns: void

    Defined in: index.esm.d.ts:1246 (opens new window)


    generateTickLabels

    generateTickLabels(ticks: Tick[]): void

    Parameters:

    NameType
    ticksTick[]

    Returns: void

    Defined in:


    getBasePixel

    getBasePixel(): number

    Returns the pixel for the minimum chart value The coordinate (0, 0) is at the upper-left corner of the canvas

    Returns: number

    Defined in:


    getBaseValue

    getBaseValue(): number

    Returns: number

    Defined in:


    getDecimalForPixel

    getDecimalForPixel(pixel: number): number

    Parameters:

    NameType
    pixelnumber

    Returns: number

    Defined in: index.esm.d.ts:1169 (opens new window)


    getLabelForValue

    getLabelForValue(value: number): string

    Used to get the label to display in the tooltip for the given value

    Parameters:

    NameType
    valuenumber

    Returns: string

    Defined in:


    getLabels

    getLabels(): string[]

    Returns: string[]


    getLineWidthForValue

    getLineWidthForValue(value: number): number

    Returns the grid line width at given value

    Parameters:

    NameType
    valuenumber

    Returns: number

    Defined in:


    getMatchingVisibleMetas

    getMatchingVisibleMetas(: string): <Element<{}, {}>, <{}, {}>>[]

    Parameters:

    Returns: <Element<{}, {}>, <{}, {}>>[]

    Defined in: index.esm.d.ts:1159Scale - 图61 (opens new window)


    getMinMax

    getMinMax(canStack: boolean): object

    Parameters:

    NameType
    canStackboolean

    Returns: object

    NameType
    maxnumber
    minnumber

    Defined in:


    getPadding

    OptionalgetPadding():

    Returns an object with padding on the edges

    Returns: ChartArea

    Inherited from:

    Defined in: layout.d.ts:54Scale - 图63 (opens new window)


    getPixelForDecimal

    getPixelForDecimal(decimal: number): number

    Utility for getting the pixel location of a percentage of scale The coordinate (0, 0) is at the upper-left corner of the canvas

    Parameters:

    NameType
    decimalnumber

    Returns: number

    Defined in:


    getPixelForTick

    getPixelForTick(index: number): number

    Returns the location of the tick at the given index The coordinate (0, 0) is at the upper-left corner of the canvas

    Parameters:

    NameType
    indexnumber

    Returns: number

    Defined in: index.esm.d.ts:1183Scale - 图65 (opens new window)


    getPixelForValue

    getPixelForValue(value: number, index: number): number

    Returns the location of the given data point. Value can either be an index or a numerical value The coordinate (0, 0) is at the upper-left corner of the canvas

    Parameters:

    NameType
    valuenumber
    indexnumber

    Returns: number

    Defined in:


    getProps

    getProps<P>(props: [P], final?: boolean): Pick<{}, P>

    Type parameters:

    NameType
    Pnever

    Parameters:

    NameType
    props[P]
    final?boolean

    Returns: Pick<{}, P>

    Inherited from: void

    Defined in:

    getProps<P, P2>(props: [P, P2], final?: boolean): Pick<{}, P | P2>

    Type parameters:

    NameType
    Pnever
    P2never

    Parameters:

    NameType
    props[P, P2]
    final?boolean

    Returns: Pick<{}, P | P2>

    Inherited from: void

    Defined in: element.d.ts:12 (opens new window)

    getProps<P, P2, P3>(props: [P, P2, P3], final?: boolean): Pick<{}, P | P2 | P3>

    Type parameters:

    NameType
    Pnever
    P2never
    P3never

    Parameters:

    Returns: Pick<{}, P | P2 | P3>

    Inherited from: void

    Defined in:

    getProps<P, P2, P3, P4>(props: [P, P2, P3, P4], final?: boolean): Pick<{}, P | P2 | P3 | P4>

    Type parameters:

    NameType
    Pnever
    P2never
    never
    P4never

    Parameters:

    NameType
    props[P, P2, P3, P4]
    final?boolean

    Returns: Pick<{}, P | P2 | P3 | P4>

    Inherited from: void

    Defined in: element.d.ts:17 (opens new window)

    getProps<P, P2, P3, P4, P5>(props: [P, P2, P3, P4, P5], final?: boolean): Pick<{}, P | P2 | P3 | P4 | P5>

    Type parameters:

    NameType
    Pnever
    P2never
    P3never
    P4never
    P5never

    Parameters:

    NameType
    props[P, P2, P3, P4, P5]
    final?boolean

    Returns: Pick<{}, P | P2 | P3 | P4 | P5>

    Inherited from: void

    Defined in:

    getProps(props: never[], final?: boolean): object

    Parameters:

    NameType
    propsnever[]
    final?boolean

    Returns: object

    Inherited from: void

    Defined in:


    getTicks

    getTicks(): []

    Returns: Tick[]

    Defined in:


    getUserBounds

    getUserBounds(): object

    Returns: object

    NameType
    maxnumber
    maxDefinedboolean
    minnumber
    minDefinedboolean

    Defined in:


    getValueForPixel

    getValueForPixel(pixel: number): number

    Used to get the data value from a given pixel. This is the inverse of getPixelForValue The coordinate (0, 0) is at the upper-left corner of the canvas

    Parameters:

    NameType
    pixelnumber

    Returns: number

    Defined in: index.esm.d.ts:1211Scale - 图75 (opens new window)


    hasValue

    hasValue(): boolean

    Returns: boolean

    Inherited from: void

    Defined in: element.d.ts:10 (opens new window)


    init

    init(options: O): void

    Parameters:

    NameType
    optionsO

    Returns: void

    Defined in:


    isFullSize

    isFullSize(): boolean

    Returns: boolean

    Defined in:


    isHorizontal

    isHorizontal(): boolean

    returns true if the layout item is horizontal (ie. top or bottom)

    Returns: boolean

    Inherited from:

    Defined in: layout.d.ts:58Scale - 图79 (opens new window)


    parse

    parse(raw: unknown, index: number): unknown

    Parameters:

    NameType
    rawunknown
    indexnumber

    Returns: unknown

    Defined in:


    setDimensions

    setDimensions(): void

    Returns: void

    Defined in:


    tooltipPosition

    tooltipPosition(useFinalPosition?: boolean):

    Parameters:

    NameType
    useFinalPosition?boolean

    Returns:

    Inherited from: void

    Defined in: element.d.ts:9 (opens new window)


    update

    update(width: number, height: number, margins?: ChartArea): void

    Takes two parameters: width and height.

    Parameters:

    Returns: void

    Inherited from: LayoutItem