Speed Limits Viewer

A visualizer for the GPS Speed Limits Logger app

You will need to install an extension such as Tampermonkey, Greasemonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install an extension such as Tampermonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Userscripts to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install a user script manager extension to install this script.

(I already have a user script manager, let me install it!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(I already have a user style manager, let me install it!)

// ==UserScript==
// @name         Speed Limits Viewer
// @license MIT
// @namespace    https://shryder.me/
// @version      2026-02-02
// @description  A visualizer for the GPS Speed Limits Logger app
// @author       Shryder
// @include         /^https:\/\/(www|beta)\.waze\.com\/(?!user\/)(.{2,6}\/)?editor\/?.*$/
// @icon            https://www.google.com/s2/favicons?sz=64&domain=greasyfork.org
// @require         https://greasyfork.org/scripts/24851-wazewrap/code/WazeWrap.js
// @require         https://update.greasyfork.org/scripts/509664/1461898/WME%20Utils%20-%20Bootstrap.js
// @require         https://greasyfork.org/scripts/389765-common-utils/code/CommonUtils.js?version=1090053
// @require         https://greasyfork.org/scripts/450160-wme-bootstrap/code/WME-Bootstrap.js?version=1090054
// @require         https://greasyfork.org/scripts/452563-wme/code/WME.js?version=1101598
// @require         https://greasyfork.org/scripts/450221-wme-base/code/WME-Base.js?version=1101617
// @require         https://greasyfork.org/scripts/450320-wme-ui/code/WME-UI.js?version=1101616
// @grant           GM_xmlhttpRequest
// ==/UserScript==

var SpeedLimitReports_Layer;
const icon = 'data:image/svg+xml;base64,PHN2ZyB3aWR0aD0iNDAiIGhlaWdodD0iNDAiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyI+PGNpcmNsZSBjeD0iMjAiIGN5PSIyMCIgcj0iMTgiIGZpbGw9IiMwMDdiZmYiIHN0cm9rZT0iIzAwNTZiMyIgc3Ryb2tlLXdpZHRoPSIyIi8+PHRleHQgeD0iMjAiIHk9IjI1IiBmb250LXNpemU9IjIwIiBmb250LWZhbWlseT0iQXJpYWwsIHNhbnMtc2VyaWYiIGZpbGw9IndoaXRlIiB0ZXh0LWFuY2hvcj0ibWlkZGxlIj4xPC90ZXh0Pjwvc3ZnPg==';

const speedLimitIcon = `
<svg width="100" height="100" viewBox="0 0 100 100" xmlns="http://www.w3.org/2000/svg">
  <circle cx="50" cy="50" r="48" fill="white" stroke="red" stroke-width="4"/>
  <text x="50" y="60" text-anchor="middle" font-size="36" font-family="Arial, sans-serif" fill="black">##speedlimit##</text>
  <g transform="rotate(##angle## 50 50)">
    <polygon points="50,2 42,18 46,18 46,30 54,30 54,18 58,18" fill="blue" stroke="darkblue" stroke-width="1"/>
  </g>
</svg>
`;

(async function() {
    'use strict';

    let helper, tab, uuidInput;

    let sdk = await bootstrap();

    function setupTab() {
        const BUTTONS = {
            A: {
                title: "Fetch",
                description: "Desc",
                callback: function() {
                    console.log('[GPSSpeedLimitsLogger] Fetching...');
                    let uuidInput = document.getElementById("speed-limits-reports-viewer-speed-limit-log-id");

                    fetchReports(uuidInput.value);

                    return false;
                }
            },
            ClearUI: {
                title: "Clear",
                description: "Clear Speed Limit logger UI elements",
                callback: function() {
                    SpeedLimitReports_Layer.removeAllFeatures();

                    return false;
                }
            },
        };

        console.log("Hello", sdk.State.getUserInfo().userName, WazeWrap);

        let helper = new WMEUIHelper("Speed Limits Reports Viewer");
        let tab = helper.createTab("Speed Limit Reports");
        tab.addButtons(BUTTONS);
        tab.addInput("speed-limit-log-id", "UUID to Fetch", "", () => {}, "30-06-2025-19_21_32___bce7c826-13bf-425d-8890-9254f5b3d7ee");

        tab.inject();
    }

    function buildReport(report) {
        let style = {
            externalGraphic: icon,
            graphicWidth: 32,
            graphicHeight: 38,
            graphicYOffset: -42,
            fillOpacity: 1,
            title: 'LiveMap',
            cursor: 'help'
        };

        const angle = report.gpsLocation.heading || 0;

        const reportLocation_icon = "data:image/svg+xml;base64," + btoa(
            speedLimitIcon
                .replaceAll("##speedlimit##", report.speedLimit)
                .replaceAll("##angle##", angle)
        );

        let coords = OpenLayers.Layer.SphericalMercator.forwardMercator(report.gpsLocation.long, report.gpsLocation.lat);
        let reportLocation = new OpenLayers.Feature.Vector(new OpenLayers.Geometry.Point(coords.lon,coords.lat), { speedLimit: report.speedLimit }, { ...style, externalGraphic: reportLocation_icon });

        return [ reportLocation ];
    }

    function fetchReports(filename) {
      GM_xmlhttpRequest({
        method: "GET",
        url: `https://speedlimits.shryder.me/api/logs/${filename}.json`,
        onload: function(response){
            if (response.status < 200 || response.status > 300) {
                console.log("[GPSSpeedLimitsLogger] Error fetching speed limit logs", response);
                return;
            }

            let response_json = JSON.parse(response.response);
            console.log("[GPSSpeedLimitsLogger] Loaded report logs:", response, response_json);

            if (!("success" in response_json) || !response_json.success) {
                console.log("[GPSSpeedLimitsLogger] Error fetching", response);
                return;
            }

            SpeedLimitReports_Layer.removeAllFeatures();
            for (let i = 0; i < response_json.data.length; i++) {
                SpeedLimitReports_Layer.addFeatures(buildReport(response_json.data[i]));
            }

            console.log("[GPSSpeedLimitsLogger] Finished loading reports into layer");
            SpeedLimitReports_Layer.redraw();
        },
        onerror: (error) => {
            console.log("[GPSSpeedLimitsLogger] Error loading speed limit reports", error);
        }
      });
    }

    function main() {
        setupTab();

        let styleMap = new OpenLayers.StyleMap({
            "default": new OpenLayers.Style({
                // fillColor: '${fillColor}',
                // fillOpacity: '${opacity}',
                fontColor: '#111111',
                fontWeight: 'bold',
                strokeColor: '#ffffff',
                // strokeOpacity: '${opacity}',
                strokeWidth: 2,
                // pointRadius: '${radius}',
                label: '${title}',
                title: '${title}'
            }, {
                context: {
                    title: (feature) => {
                        if (feature.attributes && feature.attributes.speedLimit) return `${feature.speedLimit} km/h`;

                        return "N/A";
                    }
                }
            })
        });

        SpeedLimitReports_Layer = new OpenLayers.Layer.Vector("Speed Limit Reports", {
            uniqueName: "__speedlimit_reports",
            styleMap: styleMap
        });

        SpeedLimitReports_Layer.setVisibility(true);

        W.map.addLayer(SpeedLimitReports_Layer);

        console.log("[GPSSpeedLimitsLogger] Ready.");
    }

    main();
})();