@vtx/cs-map/lib/gradation-line-layer/GradationLineLayer.js

React components for Vortex

"use strict";

function _typeof(o) { "@babel/helpers - typeof"; return _typeof = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function (o) { return typeof o; } : function (o) { return o && "function" == typeof Symbol && o.constructor === Symbol && o !== Symbol.prototype ? "symbol" : typeof o; }, _typeof(o); }
Object.defineProperty(exports, "__esModule", {
  value: true
});
exports["default"] = void 0;
var _cesium = require("cesium");
var _createFeatureCollection = require("../feature-layer/createFeatureCollection");
var _lodash = require("lodash");
var _Polyline = _interopRequireDefault(require("../polyline/Polyline"));
function _interopRequireDefault(e) { return e && e.__esModule ? e : { "default": e }; }
function _classCallCheck(a, n) { if (!(a instanceof n)) throw new TypeError("Cannot call a class as a function"); }
function _defineProperties(e, r) { for (var t = 0; t < r.length; t++) { var o = r[t]; o.enumerable = o.enumerable || !1, o.configurable = !0, "value" in o && (o.writable = !0), Object.defineProperty(e, _toPropertyKey(o.key), o); } }
function _createClass(e, r, t) { return r && _defineProperties(e.prototype, r), t && _defineProperties(e, t), Object.defineProperty(e, "prototype", { writable: !1 }), e; }
function _toPropertyKey(t) { var i = _toPrimitive(t, "string"); return "symbol" == _typeof(i) ? i : i + ""; }
function _toPrimitive(t, r) { if ("object" != _typeof(t) || !t) return t; var e = t[Symbol.toPrimitive]; if (void 0 !== e) { var i = e.call(t, r || "default"); if ("object" != _typeof(i)) return i; throw new TypeError("@@toPrimitive must return a primitive value."); } return ("string" === r ? String : Number)(t); }
function _callSuper(t, o, e) { return o = _getPrototypeOf(o), _possibleConstructorReturn(t, _isNativeReflectConstruct() ? Reflect.construct(o, e || [], _getPrototypeOf(t).constructor) : o.apply(t, e)); }
function _possibleConstructorReturn(t, e) { if (e && ("object" == _typeof(e) || "function" == typeof e)) return e; if (void 0 !== e) throw new TypeError("Derived constructors may only return object or undefined"); return _assertThisInitialized(t); }
function _assertThisInitialized(e) { if (void 0 === e) throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); return e; }
function _isNativeReflectConstruct() { try { var t = !Boolean.prototype.valueOf.call(Reflect.construct(Boolean, [], function () {})); } catch (t) {} return (_isNativeReflectConstruct = function _isNativeReflectConstruct() { return !!t; })(); }
function _getPrototypeOf(t) { return _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf.bind() : function (t) { return t.__proto__ || Object.getPrototypeOf(t); }, _getPrototypeOf(t); }
function _inherits(t, e) { if ("function" != typeof e && null !== e) throw new TypeError("Super expression must either be null or a function"); t.prototype = Object.create(e && e.prototype, { constructor: { value: t, writable: !0, configurable: !0 } }), Object.defineProperty(t, "prototype", { writable: !1 }), e && _setPrototypeOf(t, e); }
function _setPrototypeOf(t, e) { return _setPrototypeOf = Object.setPrototypeOf ? Object.setPrototypeOf.bind() : function (t, e) { return t.__proto__ = e, t; }, _setPrototypeOf(t, e); }
//纹理图绘制
function getColorRamp(elevationRamp) {
  var ramp = document.createElement('canvas');
  ramp.width = 100;
  ramp.height = 1;
  var ctx = ramp.getContext('2d');
  var grd = ctx.createLinearGradient(0, 0, 100, 0);
  elevationRamp.map(function (v) {
    grd.addColorStop(v[0], v[1]);
  });
  ctx.fillStyle = grd;
  ctx.fillRect(0, 0, 100, 1);
  return ramp;
}
var GradationLineLayer = exports["default"] = /*#__PURE__*/function (_CustomDataSource) {
  function GradationLineLayer(option) {
    var _this;
    _classCallCheck(this, GradationLineLayer);
    var data = option.data,
      key = option.key,
      labelField = option.labelField,
      template = option.template,
      color = option.color,
      width = option.width;
    _this = _callSuper(this, GradationLineLayer);

    // 图层标识
    _this.key = key;

    // 图层名称
    _this.name = name;

    // 标签字段
    _this.labelField = labelField;

    // 模版内容
    _this.template = template;
    _this.data = data;

    // 默认线宽度
    _this.width = width || 3;

    // 颜色
    _this.color = color || '#0080ff';
    if (data !== null && data !== void 0 && data.length) {
      _this.loadData(data);
    }
    return _this;
  }
  _inherits(GradationLineLayer, _CustomDataSource);
  return _createClass(GradationLineLayer, [{
    key: "loadData",
    value: function loadData(data) {
      var _this2 = this;
      this.entities.removeAll();
      data.map(function (v) {
        var geometryInfo = v.geometryInfo,
          colors = v.colors,
          width = v.width;
        var _transformGeometry = (0, _createFeatureCollection.transformGeometry)(geometryInfo),
          coordinates = _transformGeometry.coordinates;
        var entity = _this2.entities.add(new _Polyline["default"]({
          geometry: coordinates,
          properties: v,
          style: {
            width: width || _this2.width,
            material: getColorRamp(colors)
          }
        }));
        entity.type = _this2.modalType || _this2.key;
        entity.key = _this2.key;
        entity.properties = v.properties || {};
      });
    }
  }]);
}(_cesium.CustomDataSource);
//# sourceMappingURL=GradationLineLayer.js.map