| 1 | import Base from '../base';
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| 2 | import { ScaleType } from '../types';
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| 3 | /**
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| 4 | * identity scale原则上是定义域和值域一致，scale/invert方法也是一致的
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| 5 | * 参考R的实现：https://github.com/r-lib/scales/blob/master/R/pal-identity.r
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| 6 | * 参考d3的实现（做了下转型）：https://github.com/d3/d3-scale/blob/master/src/identity.js
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| 7 | */
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| 8 | export default class Identity extends Base {
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| 9 | readonly type: ScaleType;
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| 10 | readonly isIdentity: boolean;
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| 11 | calculateTicks(): any[];
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| 12 | scale(value: any): number;
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| 13 | invert(value?: number): number;
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| 14 | }
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