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Co-Authored-By: 狸花猫/Claude-Qwen3.6-Plus 🐾
84 lines
2.6 KiB
JavaScript
84 lines
2.6 KiB
JavaScript
import { __extends } from "tslib";
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import { filter, getRange, head, isNil, last } from '@antv/util';
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import Base from '../base';
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/**
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* 连续度量的基类
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* @class
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*/
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var Continuous = /** @class */ (function (_super) {
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__extends(Continuous, _super);
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function Continuous() {
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var _this = _super !== null && _super.apply(this, arguments) || this;
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_this.isContinuous = true;
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return _this;
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}
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Continuous.prototype.scale = function (value) {
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if (isNil(value)) {
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return NaN;
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}
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var rangeMin = this.rangeMin();
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var rangeMax = this.rangeMax();
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var max = this.max;
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var min = this.min;
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if (max === min) {
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return rangeMin;
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}
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var percent = this.getScalePercent(value);
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return rangeMin + percent * (rangeMax - rangeMin);
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};
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Continuous.prototype.init = function () {
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_super.prototype.init.call(this);
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// init 完成后保证 min, max 包含 ticks 的范围
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var ticks = this.ticks;
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var firstTick = head(ticks);
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var lastTick = last(ticks);
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if (firstTick < this.min) {
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this.min = firstTick;
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}
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if (lastTick > this.max) {
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this.max = lastTick;
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}
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// strict-limit 方式
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if (!isNil(this.minLimit)) {
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this.min = firstTick;
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}
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if (!isNil(this.maxLimit)) {
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this.max = lastTick;
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}
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};
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Continuous.prototype.setDomain = function () {
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var _a = getRange(this.values), min = _a.min, max = _a.max;
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if (isNil(this.min)) {
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this.min = min;
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}
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if (isNil(this.max)) {
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this.max = max;
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}
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if (this.min > this.max) {
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this.min = min;
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this.max = max;
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}
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};
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Continuous.prototype.calculateTicks = function () {
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var _this = this;
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var ticks = _super.prototype.calculateTicks.call(this);
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if (!this.nice) {
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ticks = filter(ticks, function (tick) {
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return tick >= _this.min && tick <= _this.max;
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});
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}
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return ticks;
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};
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// 计算原始值值占的百分比
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Continuous.prototype.getScalePercent = function (value) {
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var max = this.max;
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var min = this.min;
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return (value - min) / (max - min);
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};
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Continuous.prototype.getInvertPercent = function (value) {
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return (value - this.rangeMin()) / (this.rangeMax() - this.rangeMin());
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};
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return Continuous;
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}(Base));
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export default Continuous;
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//# sourceMappingURL=base.js.map
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