def build_map(self, click_handler):
mean_lat = self.x_data[self.lat_key].values.mean()
mean_lng = self.x_data[self.lon_key].values.mean()
# create the map
m = Map(center=(mean_lat, mean_lng), zoom=4, basemap=basemaps.Stamen.Terrain)
m.layout.height = '600px'
# show trace
markers = []
for k in self.marker_info:
lat, lon = k
message = HTML()
message.description = "Station ID"
message.value = str(self.marker_info[k])
message.placeholder = ""
marker = Marker(location=(lat, lon))
marker.on_click(click_handler)
marker.popup = message
markers.append(marker)
marker_cluster = MarkerCluster(
markers=markers
)
# not sure whether we could register once instead of each marker:
# marker_cluster.on_click(click_handler)
m.add_layer(marker_cluster)
# m.add_control(FullScreenControl())
return m
def _generateMarkers(self):
popupTemplate = """
<head>
<style>
table {
border: 1px solid black;
border-radius: 25px;
}
</style>
</head>
<body>
<table style="width:100%">
<tr>
<th>Key</th>
<th>Value</th>
</tr>
ROWS
</table>
</body>
"""
# tableTemplate = """<table style="width:100%"><tr><th>key</th><th>value</th></tr>ROWS</table>"""
rowTemplate = """<tr><td>KEY</td><td>VALUE</td></tr>"""
markers = []
for _, row in self.df.iterrows():
if isinstance(row[self.lon], numbers.Number) and isinstance(
row[self.lat], numbers.Number):
markerTemp = ipyleaflet.Marker(
location=[row[self.lat], row[self.lon]], draggable=False)
# popup information
message = HTML()
rowList = []
for x, y in row.iteritems():
if x in self.properties:
str_x = re.escape(str(x))
str_y = re.escape(str(y))
rowTemp = re.sub('VALUE', str_y,
re.sub('KEY', str_x, rowTemplate))
rowTemp = re.sub(r'\\(.)', r'\1', rowTemp)
rowList.append(rowTemp)
message.value = re.sub(
r'\\(.)', r'\1',
re.sub('ROWS', ''.join(rowList), popupTemplate))
message.placeholder = ''
message.description = ''
markerTemp.popup = message
# style of marker
markerTemp.layout = {'padding': '1px'}
markers.append(markerTemp)
return markers
def show_m():
multipoly = []
multycent = []
geom = spatial_utils.transform_geometry(info_data)
poly = geom['geom'][0]['coordinates'][0]
# poly = spatial_utils.swap_xy(geom['coordinates'][0])[0]
multipoly.append(poly)
centroid = spatial_utils.centroid(poly)
multycent.append(centroid)
centroid = spatial_utils.centroid(multycent)
m = Map(center=centroid,
zoom=16,
basemap=basemaps.OpenStreetMap.Mapnik)
polygon = Polygon(locations=multipoly,
name='Parcel polygon',
color="yellow",
fill_color=None)
m.add_layer(polygon)
basemap2 = basemap_to_tiles(basemaps.Esri.WorldImagery)
poly_text = HTML()
poly_text.value = f"""Parcel ID: {pid}<br>
Crop name: {crop_name}<br>
Area: {area:.2f} sqm<br>
Coordinates: {centroid}
"""
poly_text.placeholder = "HTML"
poly_text.description = ""
# Popup with a given location on the map:
poly_popup = Popup(child=poly_text,
close_button=False,
auto_close=False,
close_on_escape_key=False)
m.add_layer(poly_popup)
polygon.popup = poly_popup # Popup associated to a layer
# Layers control
show_poly = Checkbox(value=True,
description='Polygon',
indent=False,
layout=Layout(width='140px'))
show_sat = Checkbox(value=False,
description='High res basemap',
indent=False,
layout=Layout(width='140px'))
def polygon_changed(b):
try:
if show_poly.value is True:
m.add_layer(polygon)
else:
m.remove_layer(polygon)
except Exception:
pass
show_poly.observe(polygon_changed)
def show_sat_changed(b):
try:
if show_sat.value is True:
m.add_layer(basemap2)
else:
m.remove_layer(basemap2)
except Exception:
pass
show_sat.observe(show_sat_changed)
try:
df = raster_utils.create_df(ci_path, pid, ci_band.value)
geotiff = normpath(
join(ci_path, f"{df['imgs'][0]}.{ci_band.value[0]}.tif"))
bounds = raster_utils.bounds(geotiff)
images = {}
for i, row in df.iterrows():
str_date = str(row['date'].date()).replace('-', '')
img_tc = normpath(
join(ci_path,
f"{('').join(ci_band.value)}_{str_date}.png"))
# Create false color image if it does not exist
# Merge bands (images path, export image path, bands list)
if not isfile(img_tc):
imgs_path = normpath(join(ci_path, row['imgs']))
raster_utils.merge_bands(imgs_path, img_tc, ci_band.value)
if bool(config.get_value(['set', 'jupyterlab'])) is True:
jlab_path = os.getcwd().replace(os.path.expanduser("~"),
'')
image_path = normpath(join(f'files{jlab_path}', img_tc))
else:
image_path = img_tc
# print('image_path: ', image_path)
images[i] = ImageOverlay(url=image_path,
name=str_date,
bounds=(bounds))
# Time slider
slider = IntSlider(value=1,
min=1,
max=len(images),
step=1,
description=str(df['date'][0].date()),
continuous_update=False,
orientation='horizontal',
readout=True,
readout_format='d')
show_chip = Checkbox(value=True,
description='Chip image',
indent=False,
layout=Layout(width='140px'))
def on_ci_band_change(change):
pass
ci_band.observe(on_ci_band_change, 'value')
def show_chip_changed(b):
try:
if show_chip.value is True:
m.add_layer(images[slider.value - 1])
else:
m.remove_layer(images[slider.value - 1])
except Exception:
pass
show_chip.observe(show_chip_changed)
# Slider control
play = Play(
value=1,
min=1,
max=len(images),
step=1,
interval=1000,
description="Press play",
)
def slider_changed(b):
if show_chip.value is True:
try:
m.substitute_layer(images[b['old'] - 1],
images[b['new'] - 1])
except Exception:
pass
slider.description = str(df['date'][slider.value -
1].date())
slider.observe(slider_changed)
jslink((play, 'value'), (slider, 'value'))
time_box = HBox([slider, play])
time_control = WidgetControl(widget=time_box,
position='bottomleft')
m.add_control(time_control)
m.add_layer(images[0])
map_options = VBox([show_poly, show_chip, show_sat])
except Exception as err:
map_options = VBox([show_poly, show_sat])
print(err)
layers_control = WidgetControl(widget=map_options,
position='topright',
max_width=150)
m.add_control(layers_control)
return m
def f(location):
message = HTML()
message.description = "Station ID"
message.value = str(self.marker_info[location])
message.placeholder = ""
return message
def visualize():
center = location_latlongs[1]
m = Map(center=center, zoom=8)
icon1 = Icon(
icon_url='https://img.icons8.com/ultraviolet/40/000000/map-pin.png',
icon_size=[40, 40],
icon_anchor=[20, 40])
icon2 = Icon(
icon_url='https://img.icons8.com/officel/40/000000/map-pin.png',
icon_size=[40, 40],
icon_anchor=[20, 40])
icon3 = Icon(
icon_url=
'http://icons.iconarchive.com/icons/custom-icon-design/flatastic-6/256/Circle-icon.png',
icon_size=[10, 10],
icon_anchor=[5, 5],
shadow_size=[5, 5])
line = Polyline(locations=[[
path_latlongs,
]],
color="#669df6",
fill=False,
weight=2,
stroke=True)
m.add_layer(line)
style = {'text-align': 'left', 'description_width': '150px'}
i = 0
while i < len(location_latlongs):
if i == 0:
message = HTML()
message.placeholder = "Source"
message.description = "Source" + "<br>Node ID: " + location_latlongs[
i][2] + "<br>Lat: " + str(
location_latlongs[i][1]) + "<br>Long: " + str(
location_latlongs[i][0])
message.style = style
marker = Marker(location=location_latlongs[i],
draggable=False,
title="Source",
icon=icon1,
rise_on_hover=True,
z_index_offset=100)
m.add_layer(marker)
marker.popup = message
elif (len(location_latlongs) - i) == 1:
message = HTML()
message.placeholder = "Destination"
message.description = "Destination" + "<br>Node ID: " + location_latlongs[
i][2] + "<br>Lat: " + str(
location_latlongs[i][1]) + "<br>Long: " + str(
location_latlongs[i][0])
message.style = style
marker = Marker(location=location_latlongs[i],
draggable=False,
title="Destination",
icon=icon2,
rise_on_hover=True)
m.add_layer(marker)
marker.popup = message
else:
message = HTML()
message.placeholder = "Waypoint"
message.description = "Waypoint: " + str(
i) + "" + "<br>Node ID: " + location_latlongs[i][
2] + "<br>Lat: " + str(
location_latlongs[i][1]) + "<br>Long: " + str(
location_latlongs[i][0])
message.style = style
marker = Marker(location=location_latlongs[i],
draggable=False,
icon=icon3,
title="Waypoint",
rise_on_hover=True)
m.add_layer(marker)
marker.popup = message
i += 1
return (m)
