Add Delware cameras

layers/dot-cams/README.md

@@ -16,7 +16,7 @@ Many states are through one of a few providers:
 | CA    | Caltrans        |                     |       |       |              |                                   |
 | CO    | CDOT            | COtrip              | 832   | 686   | Castle Rock  | https://maps.cotrip.org/          |
 | CT    | CTDOT           | CTroads             | 350   | 0     | Travel IQ    | https://ctroads.org/              |
-| DE    | DelDOT          |                     |       |       |              |                                   |
+| DE    | DelDOT          | DelDOT Maps         | 0     | 282   | Custom       | https://deldot.gov/map/           |
 | FL    | FDOT            |                     |       |       |              |                                   |
 | GA    | GDOT            | 511GA               | 1     | 3416  | Travel IQ    | https://511ga.org/                |
 | HI    | HDOT            |                     |       |       |              |                                   |

layers/dot-cams/de/get_data.py

@@ -0,0 +1,78 @@
+#!/usr/bin/python3
+
+import requests
+import json
+
+cameras = []
+
+res = requests.get("https://tmc.deldot.gov/json/videocamera.json")
+res.raise_for_status()
+# {
+#   "timestamp": "2024-02-03T09:00:50Z",
+#   "timestampMS": "1706950850013",
+#   "version": "1.1",
+#   "uid": "-8569684966613574390",
+#   "status": "normal",
+#   "message": "",
+#   "cameraCount": 282,
+#   "cameraHash": "-1859423038",
+#   "videoCameras": [
+#     {
+#       "urls": {
+#         "rtmp": "rtmpt://167.21.72.35:80/live/KCAM001.stream",
+#         "rtsp": "rtsp://167.21.72.35:554/live/KCAM001.stream",
+#         "f4m": "http://167.21.72.35:1935/live/KCAM001.stream/manifest.f4m",
+#         "m3u8": "http://167.21.72.35:1935/live/KCAM001.stream/playlist.m3u8",
+#         "m3u8s": "https://video.deldot.gov:443/live/KCAM001.stream/playlist.m3u8",
+#         "mssmooth": "http://167.21.72.35:1935/live/KCAM001.stream/Manifest"
+#       },
+#       "id": "KCAM001",
+#       "title": "DE 1 @ MILFORD NECK ROAD (NORTH OFF)",
+#       "county": "Kent",
+#       "lat": 38.990771,
+#       "lon": -75.448487,
+#       "hash": "966393601",
+#       "enabled": true
+#     },
+#     ...
+
+for c in res.json()['videoCameras']:
+    try:
+        if not c['enabled']:
+            print("warn: camera disabled; ignoring:", c)
+            continue
+        if not c['urls']['m3u8s'].startswith('https://'):
+            raise Exception("invalid hlsUrl")
+        cameras.append({
+            "type": "Feature",
+            "geometry": {
+                "type": "Point",
+                "coordinates": [c['lon'], c['lat']], # yes, [lon, lat] since it's [x, y]
+            },
+            "properties": {
+                "name": c['title'],
+                "views": [
+                    {
+                        'hasVideo': True,
+                        'src': c['urls']['m3u8s'],
+                    },
+                    # {
+                    #     'hasVideo': False,
+                    #     'src': c['imageUrl'],
+                    # }
+                ]
+            },
+        })
+    except Exception as e:
+        print(c)
+        raise e
+
+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/index.js

@@ -13,6 +13,7 @@ import pinVideo from './pin-video.svg?url'; // TODO: remove `?url`?
 import castleRockStates from './castle-rock/data/states.js';
 import travelIqStates from './travel-iq/data/states.js';
 import al from './al/data.geojson?url';
+import de from './de/data.geojson?url';
 
 import dot_names from './layer_names.js';
 
@@ -20,6 +21,7 @@ const allStates = {
     ...castleRockStates,
     ...travelIqStates,
     'Alabama': al,
+    'Delaware': de,
 };
 
 let dot_cams = {