Write geojson of each track.

.gitignore

@@ -2,3 +2,4 @@
 node_modules
 out
 .DS_Store
+secrets.yaml

README.md

@@ -158,3 +158,12 @@ more than once every 10 seconds.
 
 * **Do not run the script more often than once every 10 seconds, or
   adsbexchange.com will ban your IP.**
+
+
+## Development
+
+To run a test watcher:
+
+```
+npx shadow-cljs watch script test
+```

src/main/lemondronor/circlebot.cljs

@@ -19,7 +19,6 @@
 
 (logging/deflog "circlebot" logger)
 
-
 (defn get-basestation-sqb-record [icao db-path]
   (log-info "%s: Looking up in %s" icao db-path)
   (p/let [record
@@ -455,13 +454,18 @@
                               (= (get-in coarse [:properties :name]) "California"))
                         (log-info "%s: Filtering out because it is outside Los Angeles County" (:icao ac))
                         (if (and image-path description)
-                          (if (get-in config [:twitter :enabled?])
+                          (do
-                            (twitter/tweet (twitter/twit (:twitter config))
+                            (if (get-in config [:twitter :enabled?])
-                                           description
+                             (twitter/tweet (twitter/twit (:twitter config))
-                                           [image-path]
+                                            description
-                                           lat
+                                            [image-path]
-                                           lon)
+                                            lat
-                            (log-warn "Skipping tweeting"))
+                                            lon)
+                             (log-warn "Skipping tweeting"))
+                            (let [path (str (.toFixed (/ now 1000) 0) "-" icao ".geojson")]
+                              (util/write-file path (.stringify
+                                                     js/JSON
+                                                     (clj->js (util/->geojson recent-positions icao centroid))))))
                           (log-warn "Skipping tweet %s %s" image-path description)))))))))))
 
 

src/main/lemondronor/circlebot/util.cljs

@@ -85,3 +85,59 @@
                    [[k]])))
              m))
     []))
+
+
+ ;;  "type": "FeatureCollection",
+ ;;  "features": [
+ ;;    {
+ ;;      "type": "Feature",
+ ;;      "properties": {},
+ ;;      "geometry": {
+ ;;        "type": "LineString",
+ ;;        "coordinates": [
+ ;;          [
+ ;;            -118.27262878417969,
+ ;;            33.920001740102585
+ ;;          ],
+ ;;          [
+ ;;            -118.2176971435547,
+ ;;            33.946777683283706
+ ;;          ],
+ ;;        ]
+ ;;      }
+ ;;    },
+ ;;    {
+ ;;      "type": "Feature",
+ ;;      "properties": {
+ ;;        "marker-color": "#7e7e7e",
+ ;;        "marker-size": "medium",
+ ;;        "marker-symbol": "",
+ ;;        "ICAO": "AE0000"
+ ;;      },
+ ;;      "geometry": {
+ ;;        "type": "Point",
+ ;;        "coordinates": [
+ ;;          -118.17649841308594,
+ ;;          33.99176508196857
+ ;;        ]
+ ;;      }
+ ;;    }
+ ;;  ]
+ ;; }
+
+ (defn ->geojson [positions icao centroid]
+   {:type "FeatureCollection"
+    :features
+    [{:type "Feature"
+      :properties {}
+      :geometry
+      {:type "LineString"
+       :coordinates (map (fn [pos] [(:lon pos) (:lat pos)]) positions)}}
+     {:type "Feature"
+      :properties {:marker-color "#7e7e7e"
+                   :marker-size "medium"
+                   :marker-symbol ""
+                   :ICAO icao}
+      :geometry {:type "Point"
+                 :coordinates [(:lon centroid) (:lat centroid)]}}]})
+