How to get a graphic like this... #88

ricky732 · 2021-12-06T17:50:33Z

ricky732
Dec 6, 2021

Can someone give me the algorithm to get a comparison like this between 2 laps of 2 drivers please? I think it was done with fast-F1, but I don't understand how... I've an issue also with team colors in plotting. Old code does not work anymore. Can you tell me the updated one? @theOehrly

theOehrly · 2021-12-06T18:16:03Z

theOehrly
Dec 6, 2021
Maintainer

Yes, this probably was made with FastF1. But there's nothing special about this plot? It's just all the separate data channels and that's it.

Regarding "old code" that is no longer working, please be more specific. What is not working? What error do you get?

0 replies

ricky732 · 2021-12-06T22:13:28Z

ricky732
Dec 6, 2021
Author

When I'll get back home tomorrow I'll tell you the precise error.. But is this plot with all the lines in the same graphic? Is that possible? 😅On the x there's distance (no idea about how to get the line of "lap distance", if you can explain me pls 🙏). I made one plot for throttle, one for brake etc, this one seems all more precise / zoomed and everything in the same page (maybe I'm stupid and it's obtained just with photoshop) 🙂

0 replies

siddharth-tewari · 2021-12-07T11:15:38Z

siddharth-tewari
Dec 7, 2021

@ricky732 @theOehrly Do you mean this code? It doesn't work for me now as well.

import fastf1 as ff1
import matplotlib.font_manager as fm
from fastf1 import plotting
from matplotlib import pyplot as plt

plotting.setup_mpl()

ff1.Cache.enable_cache('cache')  # optional but recommended

year = 2021
wknd = 21
ses = 'R'
drv1 = 'VER'
drv2 = 'HAM'

weekend = ff1.get_session(year, wknd)
session = ff1.get_session(year, wknd, ses)
laps = session.load_laps(with_telemetry=True)

first_driver = laps.pick_driver(drv1)
first_driver_info = session.get_driver(drv1)
first_color = plotting.team_color(first_driver_info.team)
second_driver = laps.pick_driver(drv2)
second_driver_info = session.get_driver(drv2)
second_color = plotting.team_color(second_driver_info.team)

first_driver = laps.pick_driver(drv1).pick_fastest()
first_car = first_driver.get_car_data()
second_driver = laps.pick_driver(drv2).pick_fastest()
second_car = second_driver.get_car_data()

fig, ax = plt.subplots(6)

prop = fm.FontProperties(fname='F1.otf')
fig.suptitle(f'{first_driver_info.familyname} vs {second_driver_info.familyname} - Fastest lap - {weekend.name} {year} {ses}ualifying', fontproperties=prop, size=18)

l2, = ax[0].plot(second_car['Time'], second_car['Speed'], color=second_color)
l1, = ax[0].plot(first_car['Time'], first_car['Speed'], color=first_color)
ax[1].plot(second_car['Time'], second_car['RPM'], color=second_color)
ax[1].plot(first_car['Time'], first_car['RPM'], color=first_color)
ax[2].plot(second_car['Time'], second_car['nGear'], color=second_color)
ax[2].plot(first_car['Time'], first_car['nGear'], color=first_color)
ax[3].plot(second_car['Time'], second_car['Throttle'], color=second_color)
ax[3].plot(first_car['Time'], first_car['Throttle'], color=first_color)
ax[4].plot(second_car['Time'], second_car['Brake'], color=second_color)
ax[4].plot(first_car['Time'], first_car['Brake'], color=first_color)
ax[5].plot(second_car['Time'], second_car['DRS'], color=second_color)
ax[5].plot(first_car['Time'], first_car['DRS'], color=first_color)

ax[0].set_ylabel("Speed [km/h]")
ax[1].set_ylabel("RPM [#]")
ax[2].set_ylabel("Gear [#]")
ax[3].set_ylabel("Throttle [%]")
ax[4].set_ylabel("Brake [%]")
ax[5].set_ylabel("DRS")

ax[0].get_xaxis().set_ticklabels([])
ax[1].get_xaxis().set_ticklabels([])
ax[2].get_xaxis().set_ticklabels([])
ax[3].get_xaxis().set_ticklabels([])
ax[4].get_xaxis().set_ticklabels([])

fig.align_ylabels()
fig.legend((l1, l2), (f'{first_driver_info.familyname}', f'{second_driver_info.familyname}'), 'upper right')

plt.subplots_adjust(left=0.06 ,right=0.99, top=0.9, bottom=0.05)
plt.show()

0 replies

ricky732 · 2021-12-07T11:26:21Z

ricky732
Dec 7, 2021
Author

This code seems good! What's the problem for not working? It was quite different from mine... But I am going to try it this afternoon!

0 replies

siddharth-tewari · 2021-12-07T11:37:28Z

siddharth-tewari
Dec 7, 2021

This is the error

Traceback (most recent call last):
  File "C:\Users\Siddharth Tewari\Desktop\Formula 1\Fastest Laps\Telementry\Telemetry Comparison.py", line 1, in <module>
    import fastf1 as ff1
  File "C:\Users\Siddharth Tewari\AppData\Local\Programs\Python\Python39\lib\site-packages\fastf1\__init__.py", line 16, in <module>
    from fastf1.core import get_session  # noqa: F401
  File "C:\Users\Siddharth Tewari\AppData\Local\Programs\Python\Python39\lib\site-packages\fastf1\core.py", line 58, in <module>
    from fastf1 import api, ergast
  File "C:\Users\Siddharth Tewari\AppData\Local\Programs\Python\Python39\lib\site-packages\fastf1\api.py", line 31, in <module>
    import pandas as pd
  File "C:\Users\Siddharth Tewari\AppData\Local\Programs\Python\Python39\lib\site-packages\pandas\__init__.py", line 51, in <module>
    from pandas.core.api import (
  File "C:\Users\Siddharth Tewari\AppData\Local\Programs\Python\Python39\lib\site-packages\pandas\core\api.py", line 14, in <module>
    from pandas.core.algorithms import factorize, unique, value_counts
  File "<frozen importlib._bootstrap>", line 1007, in _find_and_load
  File "<frozen importlib._bootstrap>", line 982, in _find_and_load_unlocked
  File "<frozen importlib._bootstrap>", line 925, in _find_spec
  File "<frozen importlib._bootstrap_external>", line 1414, in find_spec
  File "<frozen importlib._bootstrap_external>", line 1386, in _get_spec
  File "<frozen importlib._bootstrap_external>", line 1513, in find_spec
  File "<frozen importlib._bootstrap_external>", line 142, in _path_stat

0 replies

theOehrly · 2021-12-07T23:07:14Z

theOehrly
Dec 7, 2021
Maintainer

@ricky732 The distance data is easy to get. There was no example for this, but I've added one now: https://theoehrly.github.io/Fast-F1/examples_gallery/plot_speed_traces.html#sphx-glr-examples-gallery-plot-speed-traces-py
How to plot multiple data channels in so called 'subplots' is a matplotlib related question. You should look for some general matplotlib examples. This is not the right place for that.
It looks more 'precise' because the default linewidth seems to have been reduced. Or the size of the rest of the plot was increased probably.

@siddharth-tewari I'm pretty confident that that error is not caused by FastF1.

0 replies

siddharth-tewari · 2021-12-08T02:43:36Z

siddharth-tewari
Dec 8, 2021

@theOehrly Any idea then why is it caused? I cannot understand it. Also is it fine that I sometimes used graphs made with fastf1 on Youtube and should I add the link to here in description?

0 replies

siddharth-tewari · 2021-12-08T05:06:43Z

siddharth-tewari
Dec 8, 2021

@theOehrly Cleared the cache manually and now its working.

Would you find checking this alternate code also?

import fastf1 as ff1
import matplotlib.font_manager as fm
from fastf1 import plotting
from matplotlib import pyplot as plt

plotting.setup_mpl()

ff1.Cache.enable_cache('cache')  # optional but recommended

year = 2021
wknd = 21
ses = 'R'
drv1 = 'VER'
drv2 = 'HAM'

weekend = ff1.get_session(year, wknd)
session = ff1.get_session(year, wknd, ses)
laps = session.load_laps(with_telemetry=True)

first_driver = drv1[drv1['LapNumber'] == 37].iloc[0]
first_driver_info = session.get_driver(drv1)
first_color = plotting.team_color(first_driver_info.team)
second_driver = drv1[drv1['LapNumber'] == 37].iloc[0]
second_driver_info = session.get_driver(drv2)
second_color = plotting.team_color(second_driver_info.team)

first_driver = laps.pick_driver(drv1).pick_fastest()
first_car = first_driver.get_car_data()
second_driver = laps.pick_driver(drv2).pick_fastest()
second_car = second_driver.get_car_data()

fig, ax = plt.subplots(6)

prop = fm.FontProperties(fname='F1.otf')
fig.suptitle(f'{first_driver_info.familyname} vs {second_driver_info.familyname} - Fastest lap - {weekend.name} {year} {ses}', fontproperties=prop, size=18)

l2, = ax[0].plot(second_car['Time'], second_car['Speed'], color=second_color)
l1, = ax[0].plot(first_car['Time'], first_car['Speed'], color=first_color)
ax[1].plot(second_car['Time'], second_car['RPM'], color=second_color)
ax[1].plot(first_car['Time'], first_car['RPM'], color=first_color)
ax[2].plot(second_car['Time'], second_car['nGear'], color=second_color)
ax[2].plot(first_car['Time'], first_car['nGear'], color=first_color)
ax[3].plot(second_car['Time'], second_car['Throttle'], color=second_color)
ax[3].plot(first_car['Time'], first_car['Throttle'], color=first_color)
ax[4].plot(second_car['Time'], second_car['Brake'], color=second_color)
ax[4].plot(first_car['Time'], first_car['Brake'], color=first_color)
ax[5].plot(second_car['Time'], second_car['DRS'], color=second_color)
ax[5].plot(first_car['Time'], first_car['DRS'], color=first_color)

ax[0].set_ylabel("Speed [km/h]")
ax[1].set_ylabel("RPM [#]")
ax[2].set_ylabel("Gear [#]")
ax[3].set_ylabel("Throttle [%]")
ax[4].set_ylabel("Brake [%]")
ax[5].set_ylabel("DRS")

ax[0].get_xaxis().set_ticklabels([])
ax[1].get_xaxis().set_ticklabels([])
ax[2].get_xaxis().set_ticklabels([])
ax[3].get_xaxis().set_ticklabels([])
ax[4].get_xaxis().set_ticklabels([])

fig.align_ylabels()
fig.legend((l1, l2), (f'{first_driver_info.familyname}', f'{second_driver_info.familyname}'), 'upper right')

plt.subplots_adjust(left=0.06 ,right=0.99, top=0.9, bottom=0.05)
plt.show()

7 replies

Jathu05 Mar 21, 2022

sorry I was using the above code. just repurposing it. I am finding a way to just compare an individual laps of 2 different drivers. (I am a newby to python BTW)

theOehrly Mar 21, 2022
Maintainer

Yeah, don't use it. There's a bunch of problems with it.

I guess you want to do this: https://theoehrly.github.io/Fast-F1/examples_gallery/plot_speed_traces.html#sphx-glr-examples-gallery-plot-speed-traces-py

Jathu05 Mar 21, 2022

i tried this as well but its only for the fastest lap isnt it? as I mentioned above how do I change it to look at a specific lap?
Thanks for the quick replies mate

theOehrly Mar 21, 2022
Maintainer

instead of

ver_lap = session.laps.pick_driver('VER').pick_fastest()

do something like

ver_laps = session.laps.pick_driver('VER')
ver_17 = ver_laps[ver_laps['LapNumber'] == 17].iloc[0]

The .iloc[0] is not necessarily needed, depending on what you want to do.

You should probably check out a generic tutorial on working with pandas DataFrames and Series, as theses are, what most of FastF1s objects are based on.

Jathu05 Mar 21, 2022

you are a life safer. it worked. I am currently learning python and am using your api to play around. thank you so much 🙌

ricky732 · 2021-12-08T07:56:11Z

ricky732
Dec 8, 2021
Author

@theOehrly I am stupid calling the last plot of that graphic "Distance".. It was the delta. What's the code to plot the delta? 🙂 And, last 2 questions, how to reduce line width / increase the size of the plot? Maybe I should check a tutorial about matplotlib for that.. And also, I used the "iloc" function to get a lap and print in the cmd all the laps of the drivers.. I know how to order them from the fastest to the slowest.. How to order them from the first to the last in the race? Example "lap 1, lap2, lap3" etc...

0 replies

theOllieS · 2021-12-08T11:41:02Z

theOllieS
Dec 8, 2021

@ricky732 the code for the delta is in the documentation, see https://theoehrly.github.io/Fast-F1/utils.html.

Changing the linewidth is fairly simple for example try
ax[0].plot(second_car['Time'], second_car['Speed'], color=second_color, linewidth=0.8) etc. See something like https://matplotlib.org/stable/api/_as_gen/matplotlib.pyplot.plot.html for more formatting improvements.

I'm not sure what you mean by increase the size of the plot, plt.subplots_adjust helps customize how much of the figure you want to be filled with the axes. Whereas something like plt.rcParams["figure.figsize"] = (16, 9) will change the size of the figure on your screen.

0 replies

ricky732 · 2021-12-08T13:07:30Z

ricky732
Dec 8, 2021
Author

Yeah, exactly that! I'm going to try it now. Thank you so much. I've a double-monitor setup (3840x1080), so I just wanted to exploit not just 1920x1080 but even more if possible.

0 replies

theOllieS · 2021-12-08T13:22:27Z

theOllieS
Dec 8, 2021

Ah I see, if you try plt.rcParams["figure.figsize"] = (32, 9) that should fill the double monitor setup

0 replies

ricky732 · 2021-12-08T14:07:12Z

ricky732
Dec 8, 2021
Author

@theOllieS no, I've just tried & it's still 16:9

0 replies

theOehrly · 2021-12-08T17:46:34Z

theOehrly
Dec 8, 2021
Maintainer

@ricky732 There is a 'LapNumber' data column for determining the order of the laps. See the documentation at https://theoehrly.github.io/Fast-F1/core.html#fastf1.core.Laps

Also, @theOllieS is correct, the "figure.figsize" adjustment does work.

0 replies

ricky732 · 2021-12-08T19:38:06Z

ricky732
Dec 8, 2021
Author

@theOehrly yeah yeah, I found the LapNumber function. The problem is that the "figsize" does not work for me... My plotting is a simple window, there's no way to change the aspect:ratio, I did not manage to do it..

0 replies

ricky732 · 2021-12-08T21:48:48Z

ricky732
Dec 8, 2021
Author

Guys, do you know how to make a code to compare 2 drivers' laps and plot the map of the circuit with every corner / straight colored in a different way, based on who is the fastest in that section? It shouldn't be difficult... I mean for example if it's Lewis Vs. Max, the corner where Lewis is faster are cyan, the parts where max is faster are blue.. @theOehrly

0 replies

theOllieS · 2021-12-08T23:10:57Z

theOllieS
Dec 8, 2021

Some of us are working on something like you describe, unfortunately it's a lot more complicated than what you might initially think.

0 replies

ricky732 · 2021-12-09T07:51:12Z

ricky732
Dec 9, 2021
Author

Understood...

0 replies

ricky732 · 2021-12-09T15:54:51Z

ricky732
Dec 9, 2021
Author

Guys, can someone tell me the way for creating an histogram that compares the speed-traps? And is there some more advanced graphic for the long-runs comparison for example during FP? (Not a simple plotting of lap times, that one I already have it.) @theOehrly

0 replies

siddharth-tewari · 2022-01-05T14:19:46Z

siddharth-tewari
Jan 5, 2022

@ricky732 I made a program which gets data for all drivers of speedtraps. I don't know to plot so maybe you can try the rest.

0 replies

siddharth-tewari · 2022-03-22T12:30:37Z

siddharth-tewari
Mar 22, 2022

@theOehrly I have an issue with team colours. Would you find checking it?

Traceback (most recent call last):
  File "C:\Users\Siddharth Tewari\Desktop\Formula 1\New folder\f1-data-analysis\program.py", line 193, in <module>
    Comparison(2022, "Bahrain GP", "R", ["LEC", "VER"])
  File "C:\Users\Siddharth Tewari\Desktop\Formula 1\New folder\f1-data-analysis\program.py", line 59, in __init__
    self.drivers = [Driver(self.selected_session, driver)
  File "C:\Users\Siddharth Tewari\Desktop\Formula 1\New folder\f1-data-analysis\program.py", line 59, in <listcomp>
    self.drivers = [Driver(self.selected_session, driver)
  File "C:\Users\Siddharth Tewari\Desktop\Formula 1\New folder\f1-data-analysis\program.py", line 21, in __init__
    self.color = TEAM_COLORS[session.season][DRIVER_TEAM[session.season]
KeyError: 2022

3 replies

theOehrly Mar 26, 2022
Maintainer

@siddharth-tewari What code is this from? The TEAM_COLORS in fastf1.plotting do not differentiate between seasons. That might be the problem if you are using that.

siddharth-tewari Mar 26, 2022

I used a code from GitHub only.

theOehrly Mar 26, 2022
Maintainer

Ok, but that doesn't help me help you. The code is not from FastF1 or any of the examples. I'm fairly sure about that. So I can only guess what these variables are.

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How to get a graphic like this... #88

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