1

Question

I have a dataset in Python that tracks the flightpath of an object. I know the minimum and maximum latitude and longitude of the flightpath. The flightpath is entirely over the Montana.

Is there a way to plot the flight path coordinates over the relevant portion of a map of the US?

Example code and desired output

For simplicity, suppose that my flightpath is a "straight" line that starts at lat_start=46, lon_start=-109 and ends at lat_end=46.5,lon_end=-110. The duration of the flight is 1 hour and the object has constant upward velocity of 1 m/s during the flight.

It would be really cool to have a 3D scatterplot showing the flight path in 3D space with the map shown on the bottom surface of the scatterplot, beneath the lat-lon-altitude points.

But a 2D scatterplot with just the lat-lon coordinates shown on top of a map would also be great.

import matplotlib.pyplot as plt
import numpy as np

# starting, ending latitudes and longitudes
lat_start=46
lat_end=46.5
lon_start=-109
lon_end=-110

upward_vel=1 #m/s
flight_time=3600 #s

# example flight path data
lat=np.linspace(lat_start,lat_end,100)
lon=np.linspace(lon_start,lon_end,100)
alt=np.linspace(0,upward_vel*flight_time,100)

# 3d scatterplot showing flight path
# how to show map on bottom plane of plot?
fig=plt.figure()
ax=fig.add_subplot(projection='3d')
ax.scatter(lat,lon,alt,marker='.',s=2)
ax.set_xlabel('lat')
ax.set_ylabel('lon')
ax.set_zlabel('Altitude (m/s)')
plt.xlim(45.5,47)
plt.ylim(-111,-108)
plt.show()

Here is the output from the example code above. I would like to display the map on the bottom surface of the 3D plot, or if that's no possible, simply overlay my flight data on a 2D plot.

enter image description here

2
  • 2
    It is a pure Matplotlib problem
    – gene
    Commented Jun 21, 2022 at 11:15
  • If we ignore shapefiles, coordinates, coordinate systems, and maps, then I would have no option but to agree that it is a pure matplotlib problem.
    – nwsteg
    Commented Jun 21, 2022 at 13:57

1 Answer 1

0

This is the best I was able to manage using geopandas, using shapefiles from spacialsci.com. It's not exactly what I was hoping for, I would love to find a way to make it interactive (pan-able) and show more terrain features.

from shapely.geometry import Point
import geopandas as gpd
import numpy as np
 
# starting, ending latitudes and longitudes
lat_start=46;
lat_end=46.5;
lon_start=-109;
lon_end=-110;

# example flight path data
lat=np.linspace(lat_start,lat_end,100);
lon=np.linspace(lon_start,lon_end,100);
fp = [Point(xy) for xy in zip(lon,lat)]
fpgdf = gpd.GeoDataFrame(geometry=fp).set_crs("EPSG:4269")


counties = gpd.read_file('MT_Counties/county.shp').to_crs("EPSG:4269")
highways = gpd.read_file('MT_highways/rd16.shp').to_crs("EPSG:4269")
cities = gpd.read_file('MT_cities/towns.shp').to_crs("EPSG:4269")
ax = counties.boundary.plot(linewidth=0.5)
highways.plot(ax=ax,color='grey',linewidth=0.5)
cities[cities['POP_2000']>100].plot(ax=ax,markersize=2)
fpgdf.plot(ax=ax,markersize=3)

for idx,dat in cities[cities['POP_2000']>100].iterrows():
    ax.annotate(dat['NAME'],(dat['LON'],dat['LAT']),fontsize=8)

ax.set_xlim(-111,-107)
ax.set_ylim(45.5,47)

enter image description here

0

Your Answer

By clicking “Post Your Answer”, you agree to our terms of service and acknowledge you have read our privacy policy.

Not the answer you're looking for? Browse other questions tagged or ask your own question.