rlayers/layer/RLayerHeatmap.js

React Components for OpenLayers

"use strict";
var __extends = (this && this.__extends) || (function () {
    var extendStatics = function (d, b) {
        extendStatics = Object.setPrototypeOf ||
            ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
            function (d, b) { for (var p in b) if (Object.prototype.hasOwnProperty.call(b, p)) d[p] = b[p]; };
        return extendStatics(d, b);
    };
    return function (d, b) {
        if (typeof b !== "function" && b !== null)
            throw new TypeError("Class extends value " + String(b) + " is not a constructor or null");
        extendStatics(d, b);
        function __() { this.constructor = d; }
        d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
    };
})();
var __assign = (this && this.__assign) || function () {
    __assign = Object.assign || function(t) {
        for (var s, i = 1, n = arguments.length; i < n; i++) {
            s = arguments[i];
            for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p))
                t[p] = s[p];
        }
        return t;
    };
    return __assign.apply(this, arguments);
};
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
var layer_1 = require("ol/layer");
var source_1 = require("ol/source");
var RLayerBaseVector_1 = __importDefault(require("./RLayerBaseVector"));
/** A vector layer that renders its RFeatures as a heatmap
 *
 * Compatible with RLayerVector
 *
 * Requires an `RMap` context
 *
 * Provides a vector layer for JSX-declared RFeatures
 */
var RLayerHeatmap = /** @class */ (function (_super) {
    __extends(RLayerHeatmap, _super);
    function RLayerHeatmap() {
        return _super !== null && _super.apply(this, arguments) || this;
    }
    RLayerHeatmap.prototype.createSource = function (props) {
        this.source = new source_1.Vector({
            features: this.props.features,
            url: this.props.url,
            format: this.props.format,
            loader: this.props.loader,
            wrapX: this.props.wrapX,
            strategy: this.props.strategy,
            attributions: this.props.attributions
        });
        this.ol = new layer_1.Heatmap(__assign(__assign({}, props), { source: this.source }));
        return [this.ol, this.source];
    };
    RLayerHeatmap.prototype.refresh = function (prev) {
        _super.prototype.refresh.call(this, prev);
        if ((prev === null || prev === void 0 ? void 0 : prev.blur) !== this.props.blur)
            this.ol.setBlur(this.props.blur);
        if ((prev === null || prev === void 0 ? void 0 : prev.radius) !== this.props.radius)
            this.ol.setRadius(this.props.radius);
    };
    return RLayerHeatmap;
}(RLayerBaseVector_1.default));
exports.default = RLayerHeatmap;
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