leaflet maps working

rowers/interactiveplots.py

@@ -686,6 +686,65 @@ def interactive_histoall(theworkouts):
     script, div = components(plot)
     return [script,div]
 
+def leaflet_chart(lat,lon,name=""):
+    if lat.empty or lon.empty:
+        return [0,"invalid coordinate data"]
+
+    latmean = lat.mean()
+    lonmean = lon.mean()
+    latbegin = lat[lat.index[0]]
+    longbegin = lon[lon.index[0]]
+    latend = lat[lat.index[-1]]
+    longend = lon[lon.index[-1]]
+
+    coordinates = zip(lat,lon)
+
+    scoordinates = "["
+
+    for x,y in coordinates:
+        scoordinates += """[{x},{y}],
+        """.format(
+            x=x,
+            y=y
+            )
+
+    scoordinates += "]"
+    
+    script = """
+    <script>
+      
+    var mymap = L.map('map_canvas').setView([{latmean},{lonmean}], 13);
+      
+    L.tileLayer('https://api.tiles.mapbox.com/v4/{{id}}/{{z}}/{{x}}/{{y}}.png?access_token=pk.eyJ1Ijoic2FuZGVycm9vc2VuZGFhbCIsImEiOiJjajY3aTRkeWQwNmx6MzJvMTN3andlcnBlIn0.MFG8Xt0kDeSA9j7puZQ9hA', {{
+		maxZoom: 18,
+		id: 'mapbox.streets'
+    }}).addTo(mymap);
+
+    var marker = L.marker([{latbegin}, {longbegin}]).addTo(mymap);
+    marker.bindPopup("<b>Start</b>");
+    var emarker = new L.marker([{latend}, {longend}]).addTo(mymap);
+    emarker.bindPopup("<b>End</b>");
+      
+    var latlongs = {scoordinates}
+    var polyline = L.polyline(latlongs, {{color:'red'}}).addTo(mymap)
+    mymap.fitBounds(polyline.getBounds())
+
+    </script>
+      """.format(
+          latmean=latmean,
+          lonmean=lonmean,
+          latbegin = latbegin,
+          latend=latend,
+          longbegin=longbegin,
+          longend=longend,
+          scoordinates=scoordinates,
+          )
+
+    div = """
+    <div id="map_canvas" style="width: 100%; height: 400px;"><p>&nbsp;</p></div>"""
+
+    return script,div
+
 def googlemap_chart(lat,lon,name=""):
     if lat.empty or lon.empty:
         return [0,"invalid coordinate data"]