@antv/f2
Version:
Charts for mobile visualization.
15 lines (14 loc) • 557 B
TypeScript
import Base from '../base';
import { ScaleType } from '../types';
/**
* identity scale原则上是定义域和值域一致，scale/invert方法也是一致的
* 参考R的实现：https://github.com/r-lib/scales/blob/master/R/pal-identity.r
* 参考d3的实现（做了下转型）：https://github.com/d3/d3-scale/blob/master/src/identity.js
*/
export default class Identity extends Base {
readonly type: ScaleType;
readonly isIdentity: boolean;
calculateTicks(): any[];
scale(value: any): number;
invert(value?: number): number;
}