xxxxxxxxxx<head> <meta charset="utf-8"> <script src="https://d3js.org/d3.v4.min.js"></script> <style> body { margin:0;position:fixed;top:0;right:0;bottom:0;left:0; } </style></head><body> <script> https://github.com/manuelbieh/Geolib ///geolib.getSpeed(coords, coords[, options]) ///geolib.getRhumbLineBearing(object originLL, object destLL) var data = [ { "ems_personnel" : "0", "fire_fatalities" : "0", "incident_date" : "2004-02-13T00:00:00", "action_taken_primary" : "86 - investigate", "suppression_personnel" : "9", "incident_number" : "04012483", "battalion" : "B01", "supervisor_district" : "3", "call_number" : "040440358", "detector_alerted_occupants" : "-", "arrival_dttm" : "2004-02-13T20:16:09", "fire_injuries" : "0", "station_area" : "28", "zipcode" : "94133", "action_taken_other" : "-", "civilian_injuries" : "0", "neighborhood_district" : "Chinatown", "alarm_dttm" : "2004-02-13T20:14:32", "city" : "SF", "first_unit_on_scene" : "E28", "exposure_number" : "0", "estimated_contents_loss" : "0", "other_personnel" : "0", "other_units" : "0", "mutual_aid" : "none", "property_use" : "uuu - undetermined", "address" : "Columbus Av. / Union St.", "estimated_property_loss" : "0", "close_dttm" : "2004-02-13T20:16:31", "suppression_units" : "2", "primary_situation" : "711 - municipal alarm system, street box false", "action_taken_secondary" : "-", "ems_units" : "0", "location" : { "latitude" : "37.8003150000297", "human_address" : "{\"address\":\"\",\"city\":\"\",\"state\":\"\",\"zip\":\"\"}", "needs_recoding" : false, "longitude" : "-122.410208" }, "civilian_fatalities" : "0"} ] var fire_station= [37.7975975,-122.4114283] </script></body> https://d3js.org/d3.v4.min.js