Add Alaska; improve travel-iq processing; update README

layers/dot-cams/travel-iq/get_data.py

@@ -4,6 +4,7 @@ import requests
 import json
 
 states = {
+    "Alaska": "https://511.alaska.gov/",
     "Georgia": "https://511ga.org/",
     "Louisiana": "https://www.511la.org/",
     "Nevada": "https://www.nvroads.com/",
@@ -46,6 +47,9 @@ for state, baseURL in states.items():
         "length": 100,
     }
 
+    video_camera_count = 0
+    still_camera_count = 0
+
     cameras = []
     available_cameras = 999_999 # lots
 
@@ -58,6 +62,16 @@ for state, baseURL in states.items():
         res = res.json()
         available_cameras = res['recordsTotal']
         for c in res['data']:
+            if isinstance(c['videoUrl'], list): # LA returns multiple (identical?) streams
+                src = c['videoUrl'][0]
+                video_camera_count += 1
+            elif c['videoUrl']:
+                src = c['videoUrl']
+                video_camera_count += 1
+            else:
+                src = baseURL + "map/Cctv/" + c['id']
+                still_camera_count += 1
+
             cameras.append({
                 "type": "Feature",
                 "geometry": {
@@ -67,8 +81,8 @@ for state, baseURL in states.items():
                 "properties": {
                     'name': c['displayName'],
                     'views': [{
-                        'hasVideo': c['videoUrl'],
-                        'src': c['videoUrl'][0] if isinstance(c['videoUrl'], list) else c['videoUrl'], # LA returns multiple (identical?) streams
+                        'hasVideo': bool(c['videoUrl']),
+                        'src': src,
                     }],
                 },
             })
@@ -83,6 +97,7 @@ for state, baseURL in states.items():
         f.write(json.dumps(geojson))
 
     print(f"{len(cameras)} locations found for {state}")
+    print(f"{state}: {still_camera_count} photo + {video_camera_count} video cameras")
 
 # hack hack hack
 #