| 1 | import { Band } from './band';
|
| 2 | import { PointOptions, BandOptions } from '../types';
|
| 3 | /**
|
| 4 | * Point 比例尺
|
| 5 | *
|
| 6 | * 一种特殊的 band scale，它的 bandWidth 恒为 0。
|
| 7 | *
|
| 8 | * 由于部分选项较为抽象，见下图描述：
|
| 9 | *
|
| 10 | * PO = Padding = PaddingInner
|
| 11 | * domain = ["A", "B", "C"]
|
| 12 | *
|
| 13 | * |<------------------------------------------- range ------------------------------------------->|
|
| 14 | * | | | | |
|
| 15 | * |<--step*PO-->|<--------------step------------->|<--------------step------------->|<--step*PO-->|
|
| 16 | * | | | | |
|
| 17 | * | A B C |
|
| 18 | * |-----------------------------------------------------------------------------------------------|
|
| 19 | *
|
| 20 | * 性能方便较 d3 快出 8 - 9 倍
|
| 21 | */
|
| 22 | export declare class Point extends Band<PointOptions & BandOptions> {
|
| 23 | protected getDefaultOptions(): {
|
| 24 | domain: any[];
|
| 25 | range: number[];
|
| 26 | align: number;
|
| 27 | round: boolean;
|
| 28 | padding: number;
|
| 29 | unknown: symbol;
|
| 30 | paddingInner: number;
|
| 31 | paddingOuter: number;
|
| 32 | };
|
| 33 | constructor(options?: PointOptions);
|
| 34 | protected getPaddingInner(): number;
|
| 35 | clone(): Point;
|
| 36 | update(options?: PointOptions): void;
|
| 37 | protected getPaddingOuter(): number;
|
| 38 | }
|