Add Iowa DOT

Turns out this is exactly the same as MNDOT, just a different URL!

Differences:

    diff -x \*.geojson layers/dot-cams/mn layers/dot-cams/ia

    diff -x '*.geojson' layers/dot-cams/mn/get_data.py layers/dot-cams/ia/get_data.py
    16,20c16,20
    <                 north:53.23294,
    <                 south:40.40589,
    <                 east:-78.6823,
    <                 west:-107.24675,
    <                 zoom:9,
    ---
    >                 north:45.2,
    >                 south:38.2,
    >                 east:-82.9,
    >                 west:-98.3,
    >                 zoom:11,
    29c29
    < res = requests.post('https://511mn.org/api/graphql', json=PAYLOAD)
    ---
    > res = requests.post('https://511ia.org/api/graphql', json=PAYLOAD)

layers/dot-cams/ia/get_data.py

@@ -0,0 +1,74 @@
+#!/usr/bin/env python3
+
+import requests
+import json
+import re
+
+with open("query.graphql") as f:
+    QUERY = f.read()
+
+PAYLOAD = [
+    {
+        "query": QUERY,
+        "variables": {
+            "input": {
+                # Cover the whole state (this is pretty overkill, admittedly)
+                "north":45.2,
+                "south":38.2,
+                "east":-82.9,
+                "west":-98.3,
+                "zoom":11,
+                "layerSlugs": ["normalCameras"],
+                "nonClusterableUris": ["dashboard"]
+            },
+            "plowType":"plowCameras",
+        }
+    }
+]
+
+res = requests.post('https://511ia.org/api/graphql', json=PAYLOAD)
+res.raise_for_status()
+
+camera_views = res.json()[0]['data']['mapFeaturesQuery']['mapFeatures']
+
+cameras = []
+
+viewCount = 0
+
+for c in camera_views:
+    if len(c['features']) != 1:
+        print(c)
+        raise Exception(f"Unexpected number of features: {len(c['features'])}")
+    
+    if re.match(r"Show .* cameras", c['tooltip']):
+        raise Exception(f"Not zoomed in enough! Finding aggregate cameras: {c}")
+
+    for view in c['views']:
+        if len(view['sources']) != 1 if view['category'] == 'VIDEO' else 0:
+            print(view)
+            raise Exception(f"Unexpected number of sources ({len(view['sources'])})")
+        for source in view['sources'] or []:
+            if source['type'] != 'application/x-mpegURL':
+                raise Exception(f"Unexpected type {source['type']}")
+
+    viewCount += len(c['views'])
+    cameras.append({
+        "type": "Feature",
+        "geometry": c['features'][0]['geometry'],
+        "properties": {
+            'address': c['tooltip'],
+            'website': c['views'][0]['url'],
+            '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")
+print(f"{viewCount} total views")

layers/dot-cams/ia/layer.js

@@ -0,0 +1,55 @@
+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) {
+    const view = feature.values_.originalData.views[0];
+    if (view.category.toLowerCase() == "video") {
+        return `<video style="max-width: 80vw; max-height: 80vh;" id="popupVideo" autoplay controls></video>`;
+    } else if (view.category.toLowerCase() == "image") {
+        return `<img style="max-width: 80vw; max-height: 80vh;" src="${view.url}">`;
+    } else {
+        throw new Exception(`unknown category ${view.category}`);
+    }
+};
+
+vectorLayer.customPopupCallback = function(feature) {
+    const view = feature.values_.originalData.views[0];
+    if (view.category.toLowerCase() == "video") {
+        const video = document.getElementById('popupVideo');
+
+        const videoSrc = view.sources[0].src;
+        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/ia/pin.svg

@@ -0,0 +1,21 @@
+<?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>

layers/dot-cams/ia/query.graphql

@@ -0,0 +1,45 @@
+query MapFeatures($input: MapFeaturesArgs!, $plowType: String) {
+  mapFeaturesQuery(input: $input) {
+    mapFeatures {
+      bbox
+      tooltip
+      uri
+      features {
+        id
+        geometry
+        properties
+      }
+      ... on Event {
+        priority
+      }
+      __typename
+      ... on Camera {
+        views(limit: 5) {
+          uri
+          ... on CameraView {
+            url
+            sources {
+              type
+              src
+            }
+            title
+          }
+          category
+        }
+      }
+      ... on Plow {
+        views(limit: 5, plowType: $plowType) {
+          uri
+          ... on PlowCameraView {
+            url
+          }
+          category
+        }
+      }
+    }
+    error {
+      message
+      type
+    }
+  }
+}

layers/dot-cams/index.js

@@ -1,5 +1,6 @@
 import mn from './mn/layer.js';
 import wi from './wi/layer.js';
+import ia from './ia/layer.js';
 
 const dot_cams = {
     name: "State DOT Cameras",
@@ -12,6 +13,10 @@ const dot_cams = {
             name: "WisDOT/511WI",
             layer: wi,
         },
+        {
+            name: "Iowa DOT/511IA",
+            layer: ia,
+        },
     ],
 };