Class ScaleHelper

Util functions for d3 scales

Index

Constructors

Methods

createLinearTicks createLogTicks createMajorTicks createMinorTicks createTicks getDomainPixelSpan getDomainRatio getDomainSpan getPixelRatio getRangeSpan

Constructors

constructor

new ScaleHelper(): ScaleHelper
Returns ScaleHelper

Methods

`Static` createLinearTicks

createLinearTicks(scale, num?): ScaleHandlerTicks
Creates linear major and minor ticks
Parameters
- scale: Scale
- num: number = 10
Returns ScaleHandlerTicks
- Defined in utils/scale-helper.ts:108

`Static` createLogTicks

createLogTicks(scale): ScaleHandlerTicks
Creates logarithmic major and minor ticks for a log scale
Parameters
- scale: Scale
Returns ScaleHandlerTicks
- Defined in utils/scale-helper.ts:79

`Static` createMajorTicks

createMajorTicks(scale): ScaleHandlerTicks
Creates major ticks only
Parameters
- scale: Scale
Returns ScaleHandlerTicks
- Defined in utils/scale-helper.ts:134

`Static` `Private` createMinorTicks

createMinorTicks(v, steps, stepSize): number[]
Internal. Creates minor ticks based around a value, number of steps and step size
Parameters
- v: number
- steps: number
- stepSize: number
Returns number[]
- Defined in utils/scale-helper.ts:150

`Static` createTicks

createTicks(scale): ScaleHandlerTicks
Create major and minor ticks from scale
Parameters
- scale: Scale
Returns ScaleHandlerTicks
- Defined in utils/scale-helper.ts:162

`Static` getDomainPixelSpan

getDomainPixelSpan(scale, domain?): number
Get the domain span of a scale in pixels
Parameters
- scale: Scale
- Optional domain: Domain
Returns number
- Defined in utils/scale-helper.ts:55

`Static` getDomainRatio

getDomainRatio(scale): number
Get domain ratio from scale
Parameters
- scale: Scale
Returns number
- Defined in utils/scale-helper.ts:29

`Static` getDomainSpan

getDomainSpan(scale, absoluteValue?): number
Get the domain span of a scale
Parameters
- scale: Scale
- absoluteValue: boolean = true
Returns number
- Defined in utils/scale-helper.ts:44

`Static` getPixelRatio

getPixelRatio(scale): number
Get pixel ratio from scale
Parameters
- scale: Scale
Returns number
- Defined in utils/scale-helper.ts:14

`Static` getRangeSpan

getRangeSpan(scale): number
Get the range span of a scale in pixels
Parameters
- scale: Scale
Returns number
- Defined in utils/scale-helper.ts:69

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