181 lines
17 KiB
Java
181 lines
17 KiB
Java
"use strict";
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function _typeof(obj) { if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }
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function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
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function _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === "object" || typeof call === "function")) { return call; } return _assertThisInitialized(self); }
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function _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; }
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function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }
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function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }
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function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function"); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, writable: true, configurable: true } }); if (superClass) _setPrototypeOf(subClass, superClass); }
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function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }
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function _get(target, property, receiver) { if (typeof Reflect !== "undefined" && Reflect.get) { _get = Reflect.get; } else { _get = function _get(target, property, receiver) { var base = _superPropBase(target, property); if (!base) return; var desc = Object.getOwnPropertyDescriptor(base, property); if (desc.get) { return desc.get.call(receiver); } return desc.value; }; } return _get(target, property, receiver || target); }
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function _superPropBase(object, property) { while (!Object.prototype.hasOwnProperty.call(object, property)) { object = _getPrototypeOf(object); if (object === null) break; } return object; }
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function _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf(o); }
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/**
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* @fileOverview the class of Helix Coordinate
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* @author sima.zhang
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*/
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var MatrixUtil = require('@antv/util/lib/matrix/');
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var isNumberEqual = require('@antv/util/lib/math/is-number-equal');
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var mix = require('@antv/util/lib/mix');
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var Base = require('./base');
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var vec2 = MatrixUtil.vec2;
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var Helix =
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/*#__PURE__*/
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function (_Base) {
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_inherits(Helix, _Base);
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_createClass(Helix, [{
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key: "getDefaultCfg",
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value: function getDefaultCfg() {
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var cfg = _get(_getPrototypeOf(Helix.prototype), "getDefaultCfg", this).call(this);
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return mix({}, cfg, {
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startAngle: 1.25 * Math.PI,
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endAngle: 7.25 * Math.PI,
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innerRadius: 0,
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type: 'helix',
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isHelix: true
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});
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}
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}]);
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function Helix(cfg) {
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var _this;
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_classCallCheck(this, Helix);
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_this = _possibleConstructorReturn(this, _getPrototypeOf(Helix).call(this, cfg));
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_this._init();
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return _this;
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}
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_createClass(Helix, [{
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key: "_init",
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value: function _init() {
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var width = this.width;
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var height = this.height;
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var radius = this.radius;
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var innerRadius = this.innerRadius;
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var startAngle = this.startAngle;
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var endAngle = this.endAngle;
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var index = (endAngle - startAngle) / (2 * Math.PI) + 1; // 螺线圈数
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var maxRadius = Math.min(width, height) / 2;
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if (radius && radius >= 0 && radius <= 1) {
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maxRadius = maxRadius * radius;
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}
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var d = Math.floor(maxRadius * (1 - innerRadius) / index);
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var a = d / (Math.PI * 2); // 螺线系数
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var x = {
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start: startAngle,
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end: endAngle
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};
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var y = {
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start: innerRadius * maxRadius,
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end: innerRadius * maxRadius + d * 0.99
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};
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this.a = a;
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this.d = d;
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this.x = x;
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this.y = y;
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}
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}, {
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key: "getCenter",
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value: function getCenter() {
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return this.center;
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}
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/**
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* 将百分比数据变成屏幕坐标
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* @param {Object} point 归一化的点坐标
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* @return {Object} 返回对应的屏幕坐标
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*/
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}, {
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key: "convertPoint",
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value: function convertPoint(point) {
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var a = this.a;
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var center = this.center;
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var x;
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var y;
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if (this.isTransposed) {
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x = point.y;
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y = point.x;
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} else {
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x = point.x;
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y = point.y;
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}
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var thi = this.convertDim(x, 'x');
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var r = a * thi;
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var newY = this.convertDim(y, 'y');
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return {
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x: center.x + Math.cos(thi) * (r + newY),
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y: center.y + Math.sin(thi) * (r + newY)
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};
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}
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/**
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* 将屏幕坐标点还原成百分比数据
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* @param {Object} point 屏幕坐标
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* @return {Object} 返回对应的归一化后的数据
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*/
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}, {
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key: "invertPoint",
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value: function invertPoint(point) {
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var center = this.center;
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var a = this.a;
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var d = this.d + this.y.start;
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var v = vec2.subtract([], [point.x, point.y], [center.x, center.y]);
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var thi = vec2.angleTo(v, [1, 0], true);
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var rMin = thi * a; // 坐标与原点的连线在第一圈上的交点，最小r值
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if (vec2.length(v) < rMin) {
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// 坐标与原点的连线不可能小于最小r值，但不排除因小数计算产生的略小于rMin的情况
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rMin = vec2.length(v);
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}
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var index = Math.floor((vec2.length(v) - rMin) / d); // 当前点位于第index圈
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thi = 2 * index * Math.PI + thi;
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var r = a * thi;
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var newY = vec2.length(v) - r;
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newY = isNumberEqual(newY, 0) ? 0 : newY;
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var x = this.invertDim(thi, 'x');
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var y = this.invertDim(newY, 'y');
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x = isNumberEqual(x, 0) ? 0 : x;
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y = isNumberEqual(y, 0) ? 0 : y;
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var rst = {};
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rst.x = this.isTransposed ? y : x;
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rst.y = this.isTransposed ? x : y;
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return rst;
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}
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}]);
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return Helix;
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}(Base);
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module.exports = Helix;
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* @fileOverview the class of Helix Coordinate\n * @author sima.zhang\n */\nconst MatrixUtil = require('@antv/util/lib/matrix/');\nconst isNumberEqual = require('@antv/util/lib/math/is-number-equal');\nconst mix = require('@antv/util/lib/mix');\nconst Base = require('./base');\n\nconst vec2 = MatrixUtil.vec2;\n\nclass Helix extends Base {\n\n  getDefaultCfg() {\n    const cfg = super.getDefaultCfg();\n    return mix({}, cfg, {\n      startAngle: 1.25 * Math.PI,\n      endAngle: 7.25 * Math.PI,\n      innerRadius: 0,\n      type: 'helix',\n      isHelix: true\n    });\n  }\n\n  constructor(cfg) {\n    super(cfg);\n    this._init();\n  }\n\n  _init() {\n    const width = this.width;\n    const height = this.height;\n    const radius = this.radius;\n    const innerRadius = this.innerRadius;\n    const startAngle = this.startAngle;\n    const endAngle = this.endAngle;\n\n    const index = (endAngle - startAngle) / (2 * Math.PI) + 1; // 螺线圈数\n    let maxRadius = Math.min(width, height) / 2;\n    if (radius && radius >= 0 && radius <= 1) {\n      maxRadius = maxRadius * radius;\n    }\n\n    const d = Math.floor(maxRadius * (1 - innerRadius) / index);\n    const a = d / (Math.PI * 2);// 螺线系数\n\n    const x = {\n      start: startAngle,\n      end: endAngle\n    };\n    const y = {\n      start: innerRadius * maxRadius,\n      end: innerRadius * maxRadius + d * 0.99\n    };\n\n    this.a = a;\n    this.d = d;\n    this.x = x;\n    this.y = y;\n  }\n\n  getCenter() {\n    return this.center;\n  }\n\n  /**\n   * 将百分比数据变成屏幕坐标\n   * @param  {Object} point 归一化的点坐标\n   * @return {Object}       返回对应的屏幕坐标\n   */\n  convertPoint(point) {\n    const a = this.a;\n    const center = this.center;\n    let x;\n    let y;\n\n    if (this.isTransposed) {\n      x = point.y;\n      y = point.x;\n    } else {\n      x = point.x;\n      y = point.y;\n    }\n\n    const thi = this.convertDim(x, 'x');\n    const r = a * thi;\n    const newY = this.convertDim(y, 'y');\n\n    return {\n      x: center.x + Math.cos(thi) * (r + newY),\n      y: center.y + Math.sin(thi) * (r + newY)\n    };\n  }\n\n  /**\n   * 将屏幕坐标点还原成百分比数据\n   * @param  {Object} point 屏幕坐标\n   * @return {Object}       返回对应的归一化后的数据\n   */\n  invertPoint(point) {\n    const center = this.center;\n    const a = this.a;\n    const d = this.d + this.y.start;\n    const v = vec2.subtract([], [ point.x, point.y ], [ center.x, center.y ]);\n    let thi = vec2.angleTo(v, [ 1, 0 ], true);\n    let rMin = thi * a; // 坐标与原点的连线在第一圈上的交点，最小r值\n\n    if (vec2.length(v) < rMin) {  // 坐标与原点的连线不可能小于最小r值，但不排除因小数计算产生的略小于rMin的情况\n      rMin = vec2.length(v);\n    }\n\n    const index = Math.floor((vec2.length(v) - rMin) / d); // 当前点位于第index圈\n    thi = 2 * index * Math.PI + thi;\n    const r = a * thi;\n    let newY = vec2.length(v) - r;\n    newY = isNumberEqual(newY, 0) ? 0 : newY;\n\n    let x = this.invertDim(thi, 'x');\n    let y = this.invertDim(newY, 'y');\n    x = isNumberEqual(x, 0) ? 0 : x;\n    y = isNumberEqual(y, 0) ? 0 : y;\n\n    const rst = {};\n    rst.x = this.isTransposed ? y : x;\n    rst.y = this.isTransposed ? x : y;\n    return rst;\n  }\n}\n\nmodule.exports = Helix;\n"]} |