1 | ;
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2 | Object.defineProperty(exports, "__esModule", { value: true });
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3 | exports.Point = void 0;
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4 | const band_1 = require("./band");
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5 | /**
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6 | * Point 比例尺
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7 | *
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8 | * 一种特殊的 band scale,它的 bandWidth 恒为 0。
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9 | *
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10 | * 由于部分选项较为抽象,见下图描述:
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11 | *
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12 | * PO = Padding = PaddingInner
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13 | * domain = ["A", "B", "C"]
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14 | *
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15 | * |<------------------------------------------- range ------------------------------------------->|
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16 | * | | | | |
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17 | * |<--step*PO-->|<--------------step------------->|<--------------step------------->|<--step*PO-->|
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18 | * | | | | |
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19 | * | A B C |
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20 | * |-----------------------------------------------------------------------------------------------|
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21 | *
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22 | * 性能方便较 d3 快出 8 - 9 倍
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23 | */
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24 | class Point extends band_1.Band {
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25 | // 覆盖默认配置
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26 | getDefaultOptions() {
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27 | return {
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28 | domain: [],
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29 | range: [0, 1],
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30 | align: 0.5,
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31 | round: false,
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32 | padding: 0,
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33 | unknown: undefined,
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34 | paddingInner: 1,
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35 | paddingOuter: 0,
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36 | };
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37 | }
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38 | // 能接受的参数只是 PointOptions,不能有 paddingInner 这些属性
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39 | constructor(options) {
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40 | super(options);
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41 | }
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42 | getPaddingInner() {
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43 | return this.options.paddingInner;
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44 | }
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45 | clone() {
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46 | return new Point(this.options);
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47 | }
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48 | update(options) {
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49 | super.update(options);
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50 | }
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51 | getPaddingOuter() {
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52 | return this.options.padding;
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53 | }
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54 | }
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55 | exports.Point = Point;
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56 | //# sourceMappingURL=point.js.map |
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