added map with moving marker

rowers/interactiveplots.py

@@ -1809,6 +1809,124 @@ def leaflet_chart2(lat,lon,name=""):
 
     return script,div
 
+def leaflet_chart_video(lat,lon,name=""):
+    if lat.empty or lon.empty:
+        return [0,"invalid coordinate data"]
+
+
+    # Throw out 0,0
+    df = pd.DataFrame({
+        'lat':lat,
+        'lon':lon
+        })
+
+    df = df.replace(0,np.nan)
+    df = df.loc[(df!=0).any(axis=1)]
+    df.fillna(method='bfill',axis=0,inplace=True)
+    df.fillna(method='ffill',axis=0,inplace=True)
+    lat = df['lat']
+    lon = df['lon']
+    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 = """
+
+
+    var streets = L.tileLayer('https://api.tiles.mapbox.com/v4/{{id}}/{{z}}/{{x}}/{{y}}.png?access_token=pk.eyJ1Ijoic2FuZGVycm9vc2VuZGFhbCIsImEiOiJjajY3aTRkeWQwNmx6MzJvMTN3andlcnBlIn0.MFG8Xt0kDeSA9j7puZQ9hA', {{
+                maxZoom: 18,
+                id: 'mapbox.streets'
+    }}),
+
+    satellite = L.tileLayer('https://api.tiles.mapbox.com/v4/{{id}}/{{z}}/{{x}}/{{y}}.png?access_token=pk.eyJ1Ijoic2FuZGVycm9vc2VuZGFhbCIsImEiOiJjajY3aTRkeWQwNmx6MzJvMTN3andlcnBlIn0.MFG8Xt0kDeSA9j7puZQ9hA', {{
+                maxZoom: 18,
+                id: 'mapbox.satellite'
+    }}),
+
+    outdoors = L.tileLayer('https://api.tiles.mapbox.com/v4/{{id}}/{{z}}/{{x}}/{{y}}.png?access_token=pk.eyJ1Ijoic2FuZGVycm9vc2VuZGFhbCIsImEiOiJjajY3aTRkeWQwNmx6MzJvMTN3andlcnBlIn0.MFG8Xt0kDeSA9j7puZQ9hA', {{
+                maxZoom: 18,
+                id: 'mapbox.outdoors'
+    }});
+
+
+
+    var mymap = L.map('map_canvas', {{
+              center: [{latmean}, {lonmean}],
+              zoom: 13,
+              layers: [streets, satellite]
+              }}).setView([{latmean},{lonmean}], 13);
+
+    var navionics = new JNC.Leaflet.NavionicsOverlay({{
+         navKey: 'Navionics_webapi_03205',
+         chartType: JNC.NAVIONICS_CHARTS.NAUTICAL,
+         isTransparent: true,
+         zIndex: 1
+    }});
+
+
+   var osmUrl2='http://tiles.openseamap.org/seamark/{{z}}/{{x}}/{{y}}.png';
+   var osmUrl='http://{{s}}.tile.openstreetmap.org/{{z}}/{{x}}/{{y}}.png';
+
+
+    //create two TileLayer
+    var nautical=new L.TileLayer(osmUrl,{{
+             maxZoom:18}});
+
+
+    L.control.layers({{
+        "Streets": streets,
+        "Satellite": satellite,
+        "Outdoors": outdoors,
+        "Nautical": nautical,
+    }},{{
+        "Navionics":navionics,
+    }}).addTo(mymap);
+
+    var marker = L.marker([{latbegin}, {longbegin}]).addTo(mymap);
+    marker.bindPopup("<b>Start</b>");
+
+    var latlongs = {scoordinates}
+    var polyline = L.polyline(latlongs, {{color:'red'}}).addTo(mymap)
+    mymap.fitBounds(polyline.getBounds())
+
+      """.format(
+          latmean=latmean,
+          lonmean=lonmean,
+          latbegin = latbegin,
+          latend=latend,
+          longbegin=longbegin,
+          longend=longend,
+          scoordinates=scoordinates,
+          )
+
+    div = """
+    <div id="map_canvas" style="width: 640px; height: 390px;"><p>&nbsp;</p></div>
+    """
+
+
+
+    return script,div
+
+
 def interactive_agegroupcpchart(age,normalized=False):
     durations = [1,4,30,60]
     distances = [100,500,1000,2000,5000,6000,10000,21097,42195]