Adding extra markers

This example will create a map, add a track and display markers every km along the track.

Make this Notebook Trusted to load map: File -> Trust Notebook

import folium
import numpy as np
from folium.plugins import BeautifyIcon

from gpxplotter import (
    add_segment_to_map,
    create_folium_map,
    read_gpx_file,
)
from gpxplotter.common import cluster_velocities

line_options1 = {"weight": 13, "color": "#006d2c"}
line_options2 = {
    "weight": 8,
}

the_map = create_folium_map(tiles="kartverket_topo4")

for track in read_gpx_file("example3.gpx"):
    for i, segment in enumerate(track["segments"]):
        segment["velocity-level"] = cluster_velocities(
            segment["velocity"],
            n_clusters=9,
        )
        add_segment_to_map(
            the_map, segment, line_options=line_options1, add_start_end=False
        )
        add_segment_to_map(
            the_map,
            segment,
            color_by="velocity-level",
            cmap="RdYlGn_09",
            line_options=line_options2,
            add_start_end=False,
        )
        # Find 1 km locations:
        maxd = max(segment["Distance / km"])
        locations = np.arange(1, maxd, 1)
        location_idx = []
        for j in locations:
            diff = abs(j - segment["Distance / km"])
            idx = np.argmin(diff)
            location_idx.append(idx)
        for dist, j in zip(locations, location_idx):
            icon = BeautifyIcon(
                text_color="#262626",
                border_color="#006d2c",
                background_color="#ffffff",
                number=dist,
                icon_shape="marker",
                border_width=3,
            )
            marker = folium.Marker(
                location=segment["latlon"][j],
                icon=icon,
                tooltip=f"{dist} km",
                popup=f'{segment["time"][j].strftime("%H:%M:%S")}',
            )
            marker.add_to(the_map)
        # Add end marker:
        marker = folium.Marker(
            location=segment["latlon"][-1],
            icon=folium.Icon(icon="home"),
            tooltip=f'{segment["Distance / km"][-1]:.2f} km',
            popup=f'{segment["time"][i].strftime("%H:%M:%S")}',
        )
        marker.add_to(the_map)

# To store the map as a HTML page:
# the_map.save('map_009.html')

# To display the map in a Jupyter notebook:
the_map