Add Alabama DOT cameras

layers/dot-cams/al/get_data.py

@@ -0,0 +1,31 @@
+#!/usr/bin/python3
+
+import requests
+import json
+
+cameras = []
+
+res = requests.get("https://api.algotraffic.com/v3.0/Cameras")
+res.raise_for_status()
+
+for c in res.json():
+    cameras.append({
+        "type": "Feature",
+        "geometry": {
+            "type": "Point",
+            "coordinates": [c['location']['longitude'], c['location']['latitude']], # yes, [lon, lat] since it's [x, y]
+        },
+        "properties": {
+            'originalData': c,
+        },
+    })
+
+geojson = {
+    "type": "FeatureCollection",
+    "features": cameras,
+}
+
+with open("data.geojson", "w") as f:
+    f.write(json.dumps(geojson))
+
+print(f"{len(cameras)} locations found")

layers/dot-cams/al/layer.js

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+import VectorLayer from 'ol/layer/Vector';
+import {Vector as VectorSource} from 'ol/source.js';
+import GeoJSON from 'ol/format/GeoJSON.js';
+
+import Hls from 'hls.js';
+
+import {Style} from 'ol/style.js';
+import Icon from 'ol/style/Icon.js';
+
+import url from './data.geojson?url'; // TODO: remove `?url`?
+import pin from './pin.svg?url'; // TODO: remove `?url`?
+
+const vectorLayer = new VectorLayer({
+    source: new VectorSource({
+        url: url,
+        format: new GeoJSON,
+    }),
+    style: new Style({
+        image: new Icon({
+            anchor: [0.5, 1],
+            src: pin,
+        }),
+    }),
+});
+
+vectorLayer.customPopup = function(feature) {
+    return `<video style="max-width: 80vw; max-height: 80vh;" id="popupVideo" autoplay controls></video>`;
+};
+
+vectorLayer.customPopupCallback = function(feature) {
+    
+    const video = document.getElementById('popupVideo');
+
+    const videoSrc = feature.values_.originalData.hlsUrl;
+    if (Hls.isSupported()) {
+        var hls = new Hls();
+        hls.loadSource(videoSrc);
+        hls.attachMedia(video);
+    }
+    // iDevice support, untested (only works in Safari; required for iPhones)
+    else if (video.canPlayType('application/vnd.apple.mpegurl')) {
+        video.src = videoSrc;
+    }
+}
+
+export default vectorLayer;

layers/dot-cams/al/pin.svg

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+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<svg
+   viewBox="0 0 384 512"
+   width="40px"
+   height="30px"
+   version="1.1"
+   xmlns:xlink="http://www.w3.org/1999/xlink"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:svg="http://www.w3.org/2000/svg">
+  <!--! Font Awesome Pro 6.0.0 by @fontawesome - https://fontawesome.com License - https://fontawesome.com/license (Commercial License) Copyright 2022 Fonticons, Inc. -->
+  <path
+     d="m 384,192 c 0,87.4 -117,243 -168.3,307.2 -12.3,15.3 -35.1,15.3 -47.4,0 C 116.1,435 0,279.4 0,192 0,85.96 85.96,0 192,0 245.96029,0 294.73775,22.275796 329.62577,58.136607 363.27205,92.721042 384,139.94065 384,192 Z"
+     style="fill:#000;fill-opacity:1" />
+  <g transform="translate(-10 -52.362) scale(0.4)">
+    <g transform="matrix(1.1311 0 0 1.1311 -76.881 -20.513)">
+      <rect style="stroke:#ffffff;stroke-width:7.7518;fill:#ffffff" ry="57.185" height="337.9" width="560.25" y="363.1" x="233.88" />
+      <rect style="stroke:#ffffff;stroke-width:7.2923;fill:#ffffff" ry="40.515" height="81.03" width="241.25" y="310.54" x="389.61" />
+    </g>
+      <path style="stroke:#000000;stroke-width:32;fill:#00000000" d="m508.57 188.08c0 32.348-26.223 58.571-58.571 58.571s-58.571-26.223-58.571-58.571 26.223-58.571 58.571-58.571c32.339 0 58.559 26.209 58.571 58.548" transform="matrix(1.4504 0 0 1.4504 -257.49 -204.11) matrix(1.274 0 0 1.274 -47.288 304.47)" />
+  </g>
+</svg>