86 questions
2
votes
2
answers
54
views
How to save a matplotlib figure with automatic height to pdf
I have the following problem: I want to save a figure with a specific width, but auto-determine its height. Let's look at an example:
import matplotlib.pyplot as plt
import numpy as np
fig,ax=plt....
- 47
0
votes
1
answer
30
views
How to save matplotlib violinplots with axes? Tried using fig.tight_layout() but the saved plots are without axes or labels or titles
My codes are as follows:
import matplotlib.pyplot as plt
import numpy as np
data_to_plot = [avg[0]['Cell Perimeter (unit pixel side)'], avg[1]['Cell Perimeter (unit pixel side)'], avg[2]['Cell ...
- 1
2
votes
1
answer
288
views
rasterio rasterize shapely ploygons and save plot to file
Ultimately I will create a bunch of rasters from a bunch of building polygons in a geopandas dataframe. But this is preliminary testing.
>>> import shapely
>>> import shapely....
- 449
0
votes
0
answers
35
views
Save Matplotlib plots to PDF with PdfPages changes my plots
I'm generating multiple figures in a for loop and then I want to save these figures in 1 pdf file. Therefore I use this code:
from matplotlib.backends.backend_pdf import PdfPages
save_image(...
2
votes
0
answers
202
views
Corrupted image when saving imshow as PDF with matplotlib
I have been trying to save an imshow figure as a PDF, but when I try to open it up in my PDF reader (Acrobat Reader DC) it says "Insufficient data for an image" and refuses to display the ...
- 21
0
votes
3
answers
105
views
How to reference a previously created file name in savefig [duplicate]
I am fairly inexperienced with python but I have quite a lot of data (csv) that I need to process and plot in figures. My question is when using plt.savefig how would I reference the figure file name ...
0
votes
0
answers
253
views
Does someone got stuck with "savefig" in Julia?
I have a problem with savefig (inside PlotlyJS) that I can't know where it comes from. The code is simple, there are some scatters and a figure that show correctly:
using PlotlyJS
n_points = 250
...
0
votes
0
answers
95
views
ERROR: Unexpected character with savefig in Julia
I'm just trying to save a plot with savefig but I've encountered a strange ERROR.
julia> PlotlyJS.savefig(p)
ERROR: Unexpected character
Line: 0
Around: ...�Desea terminar el tra...
^
...
0
votes
0
answers
24
views
plt.savefig behaviour in eps mode for nan type using imshow [duplicate]
I am trying to save an image using plt.imshow and plt.savefig by inputting a certain 2D array that happens to contain NaNs. When I call plt.show() the NaNs map to white but when saved to an eps file ...
- 31
0
votes
2
answers
102
views
How can I correctly save plots with a tkinter app plot function?
I am saving my plot using matplotlib.pyplot.savefig, but the resulting figure sometimes has bugs in it. These bugs are different in each image and can be the image with a transparent background, a ...
- 19
1
vote
0
answers
68
views
unable to change pie chart size in pie() in matplotllnb [duplicate]
import pandas as pd
import numpy as np
df = pd.read_csv("Medals.csv")
import matplotlib.pyplot as plt
fig=plt.figure()
plt.suptitle("Medals data")
x = sum(df.Gold)
y = sum(df....
-2
votes
1
answer
73
views
Saving figures in a loop in matplotlib [duplicate]
I am trying to save multiple histograms while iterating through a loop but it just ends up saving as a blank image. I tried the exact same code outside the loop and it seems to work, so I'm not sure ...
0
votes
0
answers
90
views
matplotlib's function savefig() is not saving the hover event annotations used with mpl_connect()
Issue: The mouse hover annotation display effect of bars is not working in saved image "foo.png" by plt.savefig('foo.png').
The savefig() function saving the plot as a static image without ...
- 63
0
votes
1
answer
287
views
Wrong image size when using Matplotlib savefig
I use savefig from Matplotlib to get an Image from a figure, and this image is modified with PIL after that. I also want to remove every padding.
My problem is that the final size of the image is ...
- 1,870
0
votes
2
answers
68
views
plots to folder python
I am having issue saving plots to a folder. I want to store all of the plots created in a for loop to a folder that I previously created.
I tried using imsave() function as follows:
for p in samples:
...
- 35
0
votes
2
answers
86
views
Matplot SavFig Returns Blank Image
I am trying to download some plots as images and these are being downloaded as blank images. The direct download works but the download through the drive shows blank images.
ANY HELP WOULD BE HIGHLY ...
- 11
0
votes
0
answers
111
views
How do I get rid of background whitespace when saving a matplotlib table?
I have searched stack overflow extensively for a solution to my problem and have had no luck finding an answer. I am trying to save a matplotlib table as a png image with no whitespace background in ...
- 1
0
votes
1
answer
228
views
How to save figure in matplotlib ajusted to the object size?
Hello everyone I am trying to save the figures from matplotlib. It saves with blank spaces around the figure, I mean It adds space, It is no saved with ajusted object size. It is very easy to edit ...
- 155
0
votes
0
answers
72
views
why python saves graph partially in high dpi?
I need to save a graph with high resolution by:
plt.savefig('trace', format='jpeg', bbox_inches='tight', dpi=3000)
The main graph is:
But it saves partially, like this:
How can I solve this problem?...
0
votes
2
answers
363
views
Matplotlib save very long plot in single image Python
I'm trying to save a very long EEG line plot (>100 hours with a datapoint every 5min) as a single image with a resolution ~10x10000px so that it would be readable by human eye when zoomed in.
I ...
- 1,091
-2
votes
1
answer
217
views
How can I save several plots in a for loop? [duplicate]
I am trying to save several plots in a for loop but I got this error: 'FileNotFoundError: [Errno 2] No such file or directory: '8/2020/graph.png'
Here is my code:
for i in names.columns:
fig, ax = ...
- 1
4
votes
3
answers
3k
views
x axis label cropped on saved image
So I'm trying to do a bar plot on a data where x is the username (string ) and each x is long enough to overlap each other, so I have to rotate the x label. No problem there. However, when exporting ...
- 771
0
votes
1
answer
2k
views
Matplotlib savefig bbox_inches='tight' along a single direction only?
I have two plots, each with multiple subplots (panels), i.e. multiple rows and columns. Each row shows the same type of data as images with colorbars on the right side. The first plot has, say, 8 rows ...
- 1,272
0
votes
1
answer
48
views
Python Not Saving Polar Bar Chart
I've been trying to export a plot so that I can use it in a presentation and for whatever reason, python is only exporting a white square. I can save the plot using Spyder's built in Plot tab, but I'd ...
- 3
1
vote
1
answer
467
views
Python - Insert 2 figures objects in one PDF page
I want to take 2 figures objects and save them together on one pdf page.
This is my code that currently saves them on 2 separate pages:
if (output_pdf_name is not None):
pdf = matplotlib.backends....
- 91
2
votes
1
answer
131
views
Matplotlib not saving axes on savfig
This code only saves this image. As you can see it's rather empty :| Where are my axes plots?
start = 100
sim_rets = gbm(
mu=m.mu,
n_scenarios=m.scenarios,
n_years=m.years,
prices=True,...
- 2,797
0
votes
1
answer
1k
views
Saved image from google colab shows empty white space with noting on it
I tried saving the plot with following code
from google.colab import files
.....
plt.savefig('/content/drive/MyDrive/Project/firstone.jpeg' ,dpi=200,format='jpeg',bbox_inches='tight')
files.download('...
- 1
1
vote
1
answer
315
views
julia savefig() saves wrong marker shape
The code is to using PyPlot to scatter and save in julia.
using PyPlot;pygui(true)
fig = figure()
for i = 1:400
scatter([i,i+1], [i+1, i+2], color = "blue", s = 0.1)
end
PyPlot.savefig(...
- 77
2
votes
1
answer
3k
views
How can I save multiple figures after they have been created in a loop?
I'm relatively new to using Python and have been re-writing some of my MatLab scripts. I have a script that creates 7 figures within a loop. After they have been made I want to save each one.I am ...
- 95
0
votes
1
answer
194
views
Matplotlib pdf backend can not save pdf with usetex
While running the following code:
import matplotlib.pyplot as plt
plt.rcParams['text.usetex'] = True
plt.plot(range(10))
plt.savefig("plot.pdf")
I get the very long error, finally saying ...
- 314
1
vote
0
answers
1k
views
How can I save multiple plots using matplotlib?
I am trying to save multiple plots I got after I run my code but when I save my fig it only save the last one, I have seen that the solution it is to save in a loop so it saves each figure ...
- 11
-1
votes
2
answers
7k
views
Unexpected keyword argument in python
I am trying to run python script for computing lipid interactions. The python script is downloaded from:
https://pylipid.readthedocs.io/en/master/demo.html
When I run the script, the following error ...
6
votes
1
answer
2k
views
Save sklearn pipeline diagram
I want to save a pipeline displayed with the set_config(display="diagram") command, see below:
Is there a better way to do it than by taking a screenshot?
- 807
0
votes
1
answer
872
views
The aspect ratio of the image when saving
When saving an image to matplotlib, the aspect ratio is always 4 by 3. Is it possible to change this in any way?
Commands like
plt.gca().set_aspect('equal')
change the aspect ratio only for the ...
- 175
0
votes
0
answers
69
views
At big figsize at matplotlib crazzy image
I calculate with my own written "tree-framework" coordinates for tree-visulize/drawing (therefore I calculate coordinates for the nodes and the connections). I work under python 3.9 and I ...
- 29
1
vote
1
answer
1k
views
Saving Colorbar Plot as Image File
I am trying to save a matplotlib.colorbar plot as an image file, jpg or png. I have tried the two ways written in the code below.
Using clb.savefig results in the error:
AttributeError: 'Colorbar' ...
- 11
0
votes
0
answers
926
views
Segmentation Fault in matplotlib.pyplot.savefig
I am running a set of python scripts on my visual studio code on windows 10. It seems that there is a bug in matplotlib package of the anaconda3. Specifically, I notice that saving a figure as a .png ...
- 41
0
votes
0
answers
99
views
Why does matplotlib savefig not save axis labels and graph title against same white background as graph [duplicate]
I generate a graph with the following code:
# Initialize fig & axis objects
fig, ax1 = plt.subplots(1, 1, sharex=True)
# Add second y-axis
ax2=ax1.twinx()
# Create 4 legends
ln0 = ax2.plot([0,...
- 7,495
2
votes
3
answers
747
views
Plot n graphs and save them in n different files
First and foremost, I'd like to precise that I am no expert in Python and still learning how to use pandas. I dig through older posts but I don't find a suitable answer.
I've been trying to code a ...
- 31
2
votes
1
answer
2k
views
Save multiple plots on a single pdf-page using python
I want to save multiple (6) plots on one page of a pdf file using python.
Currently, I'm saving every plot on a new page.
pdf = matplotlib.backends.backend_pdf.PdfPages("output.pdf")
for fig ...
- 82
0
votes
1
answer
3k
views
.savefig with geopandas results in empty figure
I want to produce a plot of the canton of Zürich by by importing a shapefile of Switzerland (https://www.swisstopo.admin.ch/de/geodata/landscape/boundaries3d.html) and zoom into the area of interest. ...
- 13
-1
votes
1
answer
49
views
Set real dimensione of a Chart in Matplotlib
I need to set the dimension of a chart exactly. I tried this, but the result is not what I expected (both if I set px and cm). In addiction, I would like to know how to export correctly the image.
...
1
vote
1
answer
457
views
Savefig not saving axes for png file
I'm having a trouble when trying to save plot to png file. When I tried with .jpg, everything was alright. So, the problem is that graph is not saved with axes and axes' titles, there is only the ...
- 11
1
vote
1
answer
92
views
Could not save whole figure of barplot with long yticklabel
I want to save a barplot, but found it was clipped when save it to a file.
import seaborn as sns
import matplotlib.pyplot as plt
tips = sns.load_dataset("tips")
sns.set_theme(font_scale=1.6)...
- 69
0
votes
1
answer
206
views
savefig('filename.png') saves a blank image in the folder
fig, ax = plt.xticks(datechange_index,datechange)
datacursor(display='single')
plt.ylabel('Temp in Kelvin')
plt.figure(figsize=(200,20))
plt.savefig('temp_plot.png')
plt.show()
The block of code ...
- 146
0
votes
1
answer
43
views
loops - How to save multiple plots in python
I'm trying to save the plots I got using "el in list". With "plot.show()" I only have the last plot. I tried with another one "plot.savefig.." but it didn't work so I ...
- 3
1
vote
0
answers
630
views
Matplotlib performance problem: savefig too slow, any alternative?
I am generating a matplotlib figure which consists of 2 subplots: A 3D plot with updated data each time (Poly3dcollection) and an image file that I plug in with plt.imshow().
I am able to save the ...
- 11
1
vote
0
answers
1k
views
Why `plt.savefig` is so slow ? Could I somehow speed it up?
Creation of 100 charts in less then second, but writing them on disk on converting to base64 representation without writing them on disk takes 10 second, so the overhead is in creation of png/jpg ...
- 6,107
0
votes
1
answer
373
views
Matplotlib GUI showing even though I never called plt.show()
I am using the following functions in order...
- plt.figure()
- plt.plot()
- plt.ylim
- plt.xticks()
- figure = plt.gcf()
- figure.set_size_inches()
- plt.savefig()
I just want to save the ...
0
votes
0
answers
311
views
Why does Python Matplotlib savefig behave differently when called a second time in the same script?
I have the following Python script using Matplotlib and the ternary library. It generates a ternary plot with some labels on the vertices and axes:
import matplotlib.pyplot as plt
import ternary
# ...
- 111