@toba/map/cjs/gpx.js

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
const tools_1 = require("@toba/tools");
const index_1 = require("./index");
const xml_1 = require("./xml");
const defaultConfig = {
    checkPrivacy: false,
    privacyMiles: 1
};
function location(node, config = null) {
    const location = new Array(5);
    const elevation = xml_1.xml.firstNode(node, 'ele');
    const t = xml_1.xml.firstNode(node, 'time');
    config = config === null ? defaultConfig : tools_1.merge(config, defaultConfig);
    location[0] = xml_1.xml.numberAttribute(node, 'lon');
    location[1] = xml_1.xml.numberAttribute(node, 'lat');
    if (config.checkPrivacy &&
        index_1.measure.pointDistance(location, config.privacyCenter) <
            config.privacyMiles) {
        return null;
    }
    if (tools_1.is.value(elevation)) {
        const v = xml_1.xml.value(elevation);
        if (v !== null) {
            const m = parseFloat(v);
            location[2] = Math.round(m * 3.28084);
        }
    }
    if (tools_1.is.value(t)) {
        const v = xml_1.xml.value(t);
        if (v !== null) {
            const d = new Date(v);
            location[3] = d.getTime();
        }
    }
    location[4] = 0;
    return location;
}
function properties(node, extras = []) {
    const names = extras.concat([
        'name',
        'desc',
        'author',
        'copyright',
        'link',
        'time',
        'keywords'
    ]);
    const properties = {};
    for (const key of names) {
        const value = xml_1.xml.firstValue(node, key);
        if (!tools_1.is.empty(value)) {
            properties[key] = value;
        }
    }
    return properties;
}
const line = (node, name) => {
    const points = Array.from(node.getElementsByTagName(name))
        .map(p => location(p))
        .filter(p => tools_1.is.value(p));
    const speed = points.map((p, i, line) => {
        if (i > 0) {
            p[4] = index_1.measure.speed(p, line[i - 1]);
        }
        return p;
    });
    return speed.length > 0 ? speed : null;
};
exports.gpx = { line, properties, location };