New answers tagged matplotlib
0
votes
How can I stop a matplotlib table overlapping a graph?
You can use bbox option:
import matplotlib.pyplot as plt
import seaborn as sns
plt.figure(figsize=(9, 5), dpi=300)
ax = sns.barplot(
x=range(1, 3),
y=[15, 30],
)
the_table = plt.table(
...
- 3,834
0
votes
How can I stop a matplotlib table overlapping a graph?
You can use pyplot.subplots to position barplot and table next to each other with space in between by adding each to an axe.
import matplotlib.pyplot as plt
import seaborn as sns
fig, (ax_bar, ...
0
votes
How can I stop a matplotlib table overlapping a graph?
The trick is to split your figure into two axes instead of drawing the table on top of the bar-axes;make_axes_locatable(ax) + append_axes("right", size="20%", pad=0.2) carves out a ...
- 779
1
vote
Linear regression prediction does not display properly
Instead of computing the lines using the coefficients, you can use the model's pred() method. It does the same thing of course; doing it manually like you did is a nice exercise.
You also got the ...
- 8,162
0
votes
How to reduce the space between bars in a Matplotlib chart?
You can adjust the gap precisely using width as follows:
Here is an example of a very narrow gap:
plt.bar(departments, students, width=0.95)
- 710
0
votes
Tikzplotlib module throws attribute error: module 'webcolors' has no attribute 'CSS3_HEX_TO_NAMES'
A bit late, but same answer to another question my apply:
I faced similar issue along with some other problems due to the development of tikzplotlib being stalled.
I forked the tikzplotlib and created ...
- 403
0
votes
AttributeError occurs with tikzplotlib when legend is plotted
A bit late, but same answer to another question my apply:
I faced similar issue along with some other problems due to the development of tikzplotlib being stalled.
I forked the tikzplotlib and created ...
- 403
0
votes
How to create a bar chart for this code using matplotlib
Your mistake is defining the win rate for each team as a list containing a single value.
If you just modify those assignments (e.g., GenG_WR = 0.70; …; MR7_WR = 0.58) you can obtain a "correct&...
- 25.2k
1
vote
Accepted
plt.contour() plots series of lines instead of a contour line
I think that your original data is a different size: maybe 3200 by 20, not 320 by 200. (You should check). The datafile does have 320 rows of 200 columns, but I suspect that is an artefact: maybe they ...
- 7,174
0
votes
Can I make a multi-color line in matplotlib?
You can use matplotlib-multicolored-line package available on PyPI:
import matplotlib.pyplot as plt
import numpy as np
from matplotlib_multicolored_line import colored_line
from matplotlib.colors ...
- 166
0
votes
Matplotlib Colormap with two parameter
You can use a community package colormap-complex:
from colormap_complex import colormap
import matplotlib.pyplot as plt
import matplotlib.patches as patches
x = [1,1,2,2,3,3]
y = [1,2,3,1,2,3]
p1 = [...
- 166
1
vote
Is there any way to use bivariate colormaps in matplotlib?
You can use a community package colormap-complex:
from colormap_complex import colormap
import matplotlib.pyplot as plt
import numpy as np
lin = np.linspace(-1, 1, 100)
x, y = np.meshgrid(lin, lin)
z ...
- 166
0
votes
Can the Matplotlib PGF backend produce PDF files instead of PNG?
it's a bit old thread, but if someone still has this question I found a quick fix.
In backend_pgf.py line 643, there is the following snipet:
# save the images to png files
path = ...
- 1
1
vote
Accepted
How to circumvent ImportError when invoking tikzplotlib?
I faced the same issue along with some other problems due to the development of tikzplotlib being stalled.
I forked the tikzplotlib and created a new Python library out of it in which I fixed the most ...
- 403
3
votes
Accepted
Matplotlib vertical grid lines not match points
There are multiple solutions for it.
I think using ax.set_xticks(df['Дата']) "to force the ticks to match your actual datetimes" might be better for you when the time of day matters, not ...
- 1,315
1
vote
Accepted
Can't Align Histogram Bin Edges with Chart Even When Using Numpy histogram_bin_edges
The figure above was produced by the code below
import matplotlib.pyplot as plt
x = [74.030, 73.995, 73.988, 74.002, 73.992,
74.009, 73.995, 73.985, 74.008, 73.998,
73.994, 74.004, 73.983, ...
- 25.2k
1
vote
Basemap plots in Matplotlib have cutoff map boundary lines
Okay, after more digging into the source code, I found a very crude solution that works.
One option is to add the following line after the map plotting code that just turns off clipping for everything ...
- 11
2
votes
Accepted
UserWarning: FigureCanvasAgg is non-interactive, and thus cannot be shown
I uses Linux Mint 22 based on Ubuntu 24.04.
Code works for me with uv and Python 3.10 when I install PyQt6 but not with PyQt5
And it doesn't need line matplotlib.use('Qt5Agg') nor matplotlib.use('...
- 144k
0
votes
Jupyter Notebook: automatically saves all images
If you want to extract images 🖼️ embedded inside a Jupyter Notebook (.ipynb file), you can easily do it with a Python script.
Jupyter notebooks store embedded images as Base64-encoded strings under ...
1
vote
Accepted
Saving subplots in matplotlib as separate images
You have to call savefig inside the loop and use a unique figure name!
f.savefig(f"cities{idx}.png")
- 3,023
0
votes
Realtime plot animation from JupyterLab
For some reason matplotlib was really really slow so I made my own widget
import anywidget
import traitlets
import json
import time
from collections import defaultdict
import numpy as np
import uuid # ...
- 2,475
1
vote
A water animation with velocity heatmap and changing surface level in python
I fixed it! When the vertical positions of velocity measurements aren't evenly spaced (like in this case), pcolormesh doesn't handle the curved shapes.
So instead I treat each slice as a strip of ...
0
votes
Accepted
I need to render a Plotter object on QWidget
I can't test it with your code but in documentation for Plot I found Plot.on(ax) (Plot.on(fig))
So maybe your code should use
plot.on(ax) # plot.on(fig)
or in one line with other functions
plot = ( ...
- 144k
1
vote
A water animation with velocity heatmap and changing surface level in python
If I replace this line of code in your second script, it works.
timesteps, nx, ny = hraw.shape
With random data, because we don’t know how you load the h raw and uraw.
timesteps, nx, ny = 174, 200, ...
- 3,834
0
votes
How to remove duplicate matplotlib plot
You can try to add plt.ioff() shown as below to remove the duplicate plot. I found it is helpful when I encountered the same problem lately. Hope it helps.
import matplotlib.pyplot as plt
plt.ioff()
- 69
4
votes
Accepted
How to plot 4*sin(2*x)/cos(2*x)**3 using Sympy?
SymPy's plotting module doesn't handle very well functions with poles. But SymPy Plotting Backends (which is a more advanced plotting module) is up for the task:
from spb import plot
plot(expr, (x, -...
- 13.3k
0
votes
Matplotlib plots in pycharm suddenly don't show up in the pycharm plot window but as a popup window
Settings>Tools>Python Plots
- 1
0
votes
How to add deep colored edges to the bars of a histogram with the same filled color of the bars?
The coloured edges in your PDF output appear because Matplotlib PDF backend (vector format) auto renders slight edge outlines when:
alpha < 1.0 (transparency is used)
histtype='barstacked' (which ...
- 1
1
vote
Accepted
Why can I not get a continous curve when manually splitting a fitted curve into two parts?
The issue occurs in the following line of code:
t_fit2_over = np.append(t_fit2_over, 900)
This causes the data point corresponding to 900 to appear at the end of the second part instead of the ...
- 154
2
votes
Accepted
how to display metadata in scatter plot in matplotlib?
Matplotlib does not offer a built-in function in its core library to enable hover effects. For this functionality, you may consider using the mplcursor library. Kindly try running the code below ...
- 1,315
0
votes
Ploting and viewing (x,y) points
Heavily inspired by
https://matplotlib.org/stable/gallery/event_handling/coords_demo.htm
import matplotlib.pyplot as plt
import numpy as np
from matplotlib.backend_bases import MouseButton
t = np....
0
votes
Ploting and viewing (x,y) points
You can use Matplotlib with interactive cursor:
import matplotlib.pyplot as plt
import numpy as np
from matplotlib.widgets import Cursor
x = np.linspace(0, 10, 1000)
y = np.sin(x)
fig, ax = plt....
- 1,570
2
votes
Accepted
How do I center vertical labels in a seaborn barplot?
Your text is correctly centered, however you only use letters that are above the baseline, which makes it look like it is not centered.
See here for a description of matplotlib's alignment modes:
So ...
- 264k
0
votes
How do I center vertical labels in a seaborn barplot?
import matplotlib.pyplot as plt
import seaborn as sns
percentages = [8.46950845e+00, 1.58712232e+01, 2.13963086e+01, 2.33865318e+01, 2.04539820e+01, 1.41358888e+01, 7.79622697e+00, 3.49245775e+00, 1....
- 4,301
0
votes
delete the redundant axis in colorbar
Add the below code after you add the colorbar axis, and turn off all ticks and labels on that axis:
cax.tick_params(
axis='x',
which='both',
bottom=False,
top=False,
...
- 345
2
votes
For multi-index columns in pandas dataframe, how can I group index of a particular level value for visualization in Python?
You can create also create a fairly similar chart by creating a new Axes object per group of plots. Instead of relying on lines to create separation between groups, you can use the Common Region ...
- 13.7k
3
votes
Accepted
For multi-index columns in pandas dataframe, how can I group index of a particular level value for visualization in Python?
I have been struggling a bit with finding a way to draw lines outside the plot area but found a creative solution in this previous thread: How to draw a line outside of an axis in matplotlib (in ...
- 560
0
votes
Align twinx tick marks
Just adding to Floriaan's answer, I had noticed that the function did not work well for inputs round_to greater than 1, so I added a small checkup:
def calculate_ticks(ax, ticks, round_to=0.1, center=...
0
votes
Remove (sub)plot, but keep axis label in matplotlib
You could have a function like this
def axis_off(ax, ticks=True, spines=True):
"""
removes frame around axis but leaves x,y labels there
similar as ax.axis('off') which ...
- 145
2
votes
Accepted
produce nice barplots with python in PyCharm
Here is the code with changes:
import matplotlib.pyplot as plt
import seaborn as sns
import pandas as pd
l = [408, 321, 522, 942, 462, 564, 765, 747, 465, 957, 993, 1056, 690, 1554, 1209, 246, 462, ...
- 345
0
votes
Accepted
how to recover from error "Cannot mix incompatible Qt library (6.8.3) with this library (6.8.2)"
Thanks @furas for the hint: simply uninstalling qt6-main using `conda remove qt6-main` worked for me (conda installed/uninstalled a lot of other packages, unfortunately I didn't really paid attention ...
- 361
-2
votes
Matplotlib: Making axes fit shape limits
import matplotlib.pyplot as plt
import matplotlib.patches as patches
def draw_flowchart_and_save():
fig, ax = plt.subplots(figsize=(10, 18))
ax.set_xlim(0, 10)
ax.set_ylim(0, 24)
ax....
1
vote
How to plot data in straight line and in different line style depending on the data set
Starting from Gnuplot version 6.0.2, a new plot style called "hsteps" has been introduced. This style allows for easy creation of step-like line plots. The "hsteps" style is used ...
- 1,624
0
votes
Accepted
Aligning matplotlib subplots one with stacked bar plot and another with line plot using matplotlib in Python
I had to reset index of df1 and afterwards, it worked for me.
fig, ax = plt.subplots()
df2.plot(ax = ax,
kind = "bar",
stacked = True,
color = color_map)
df1....
- 1,730
1
vote
Matplotlib save cropped Image with patches, not figure
You can get rid of the margins by cropping the source image before using imshow and applying the patch. Since matplotlib still sets the figure size to the full image extents.
Not sure if there is a ...
- 1,185
0
votes
Get Line2D object from LineCollection
It is simpler to add label directly when you create lines (as @DavidG mentioned in comments)
ax.vlines(..., label=...)
or later use
vlins.set_label(...)
If you really need to use legend then you don'...
- 144k
0
votes
Get Line2D object from LineCollection
I think a kind of "simple" approach is to create a dummy Line2D object with the desired properties (color, linestyle, label, ... you name it) that visually matches your vlines. You then add ...
- 49
-1
votes
Plotting defined function
import numpy as np
import matplotlib.pyplot as plt
# Определяем функцию
def f(x):
return np.exp(7 * x - 14)
# Генерируем значения x
x = np.linspace(-3, 3, 400)
y = f(x)
# Создаем график
plt....
0
votes
Centering a background gradient color map for a pd.DataFrame Styler object
An easier way is to use the gmap parameter of background_gradient(), feeding it the absolute values of the column of interest, since gmap is used to determine the actual color gradient for the column.
...
- 643
1
vote
How to visualize the PMF of a discrete distribution using a bar chart
The plt.hist() is designed to create histograms from a dataset of values, not to directly plot single probability values at specific x-coordinates.
To visualize a discrete distribution's PMF (like ...
- 1,353
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