Questions tagged [matplotlib]

Matplotlib is a plotting library for Python, built on NumPy and often used interactively with IPython. Its compact "pyplot" interface is similar to the plotting functions of MATLAB®.

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Downloading COVID data and uploading graphs

So this is a project I have been working on for the last few weeks. Just started learning Python. Started out with bash scripting and got the itch to learn more. Anyway code fetches covid-19 data from ...
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1answer
41 views

Hardware driven data processing and ploting in need of better control flow

This is code for a measurement setup that receives a steady stream of UDP data, finds the trigger in one channel and operates on the data in the other channel to enhance the signal and remove noise, ...
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20 views

Spectrograph using array-of-slice-references

I've written a working and complete proof of concept that shows a spectrograph in Matplotlib. I want to nail down this proof of concept before I continue with development, and I'm not thrilled with ...
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1answer
74 views

TicTacToe: If an error messages do not appear straight away

I am fairly new to Python and have tried to create a tic tac toe game that is completely automatic, where you can see if a player1 has an advantage if you let it ...
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46 views

Covid-19 World Case Report Beta 0.1

I am a self-learned programmer and this is my first program. I would really appreciate any critique on my approach. The program should automatically download the who data file to the folder these ...
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1answer
58 views

What do you think about my version of matplotlib subplots of filled contours with a “synchronized” color scheme?

Dear Python VIS community. Imagine the following situation: You ran an experiment in an earth system model (ESM) where you altered some input parameters relative to a control run of the same ESM. Now ...
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1answer
105 views

Plotting with interpolation using Matplotlib

Program description: You are given a set of two functions: $$f=x^3-6x^2+x+5; g=(x-2)^2-6$$ Plot them using Matprolib on a user input segment [a; b]. My solution: ...
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58 views

2048 in Matplotlib

I did an OOP to make 2048 using Matplotlib visualization. The color dictionary is for setting different colors to each number in the game. There are two classes ...
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1answer
62 views

Matplot lib : scalling of the axes on bar plot [closed]

I am using following script to plot cluster populations using two lists contained x and y data ...
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23 views

Data Visualization (rendering env)

How can I improve this code? It renders a ML env with openAI gym and matplotlib. I am new to coding so not sure if my variables or format or any lines can be improved. ...
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1answer
94 views

A graphing calculator

I wrote a calculator that can solve equations with variables using matplotlib and sympy. I am looking for tips on performance and style. How can I improve on this calculator? Is it a good idea to use ...
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0answers
16 views

Getting Graph and Block Animation to Run Smoothly Together

I have been working on some code that produces a live graphic of a graph and blocks moving. It works in theory but does not look like how I want. The animation runs very slow when showing both the ...
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1answer
131 views

matplotlib fixing axis scale and alignment

There is few points In the script I don't like I think it can be improved, but I need a second opinion, here is the interactive plot I'm trying to build. here is the code with thought in comments. <...
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1answer
212 views

Jupyter notebook style help + code suggestions for pandas

I wanted to open source some code to scrape and analyze publicly-filed stock buys and sells from U.S. senators. I'm not familiar with code style for Jupyter notebooks or pandas in general. Would it be ...
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1answer
63 views

This code demonstrates the central limit theorem. Is this code “Pythonic”?

I am new to Python, so I am interested in knowing if I am efficiently using python for this project. This program is meant to simulate the Central Limit Theorem. It uses sliders to adjust the number ...
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31 views

Profiling for Bézier curve calculations

Recently I posted an answer on a question about Bézier curve calculations. As a micro-synopsis: there are three implementations of De Casteljau's algorithm here, including the original poster's, AJ ...
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1answer
799 views

Tkinter GUI for running HPLC pumps, real-time data visualization

What I made I used Tkinter to write a GUI to run some HPLC pumps for my work. The application sends some messages to the pumps via serial connections, reads a response, then logs data to a csv file. ...
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47 views

Generate a ColumnDataSource for a bokeh histogram hover displaying the names of the units in each bar

I came up with the following setup_cds function as a solution to my own SO question. My question is: how could I improve it (especially the joining of the names ...
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1answer
245 views

Plotting the integer values in text format in matplotlib piechart

I have done a clustering algorithm and represented the results in a pie chart as shown below. ...
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1answer
333 views

Animation of sorting algorithms

I have created a visualisation of sorting algorithms using tkinter and matplotlib. Please let me know what you think and if you have any suggestions or find errors. The aim of this code is to create ...
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1answer
257 views

Forex Simulator in Python using pandas and matplotlib

Description: This would make a first part of a currency exchange simulator The first phase includes downloading currency historical data from histdata.com api, plotting given period and given time ...
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638 views

Modifying Titration Data analysis results

This is my first script that I've written. As a result, I'm sure there are extra lines that are unneeded, or maybe better more concise ways of doing things than I have done here. I have tried to add ...
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38 views

Basic peak editing with matplotlib

Usually I have really noisy datasets, so peak detection is quite hard to do just with coding. However the human brain immediately sees what is just random noise. I decided to make a basic peak editing ...
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1answer
56 views

Plot timings for a range of inputs MkII

To celebrate questions getting more reputation points per upvote, I revisited my previous question, Plot timings for a range of inputs. Since the time of that original question (more than two years!),...
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1answer
1k views

Plotting shapely polygon in matplotlib

When working with geometric objects I like working with the shapely module (Shapely - PyPI). In here it is easy to create polygons and define union, intersection and differences. Like so: ...
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Python Sound visualizer

The past week I have tinkered making a sound visualizer using Tkinter, Matplotlib, NumPy, PyAudio and using a thread to be able to play the sound and to display the plot at the same time. I have been ...
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1answer
445 views

Binary file reading and plotting data

This code reads binary file. Read data is converted into signed values and gets plotted if the user wants it. Data looks as below: ...
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1answer
761 views

Predator-prey simulation

I made a random-walk predator-prey simulation that focuses on individual animals instead of the (maybe) more common array-based approach. I'd like to hear your opinion about this: how could the ...
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1answer
97 views

Automating a set a of weekly reports, including graphs and delivery of reports

I have been writing code to automate some weekly reports. I had help over on Stack Overflow. I have code that works for the most part, however there are a few things that I just can't seem to fix. In ...
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1answer
270 views

Schelling's model of Segregation Python implementation with Geopandas

If you don't know what is Schelling's model of segregation, you can read it here. The Schelling model of segregation is an agent-based model that illustrates how individual tendencies regarding ...
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0answers
37 views

Matplotlib realtime monitor

I would like to share a matplotlib real-time monitor plot that I needed for another application. Basic trick is to reverse the time, so that t=0 is now and t=20 is twenty seconds in the past and to ...
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0answers
257 views

Double pendulum real time plot

Double Pendulum I made a little application that embeds a matplotlib dynamic plot into tkinter that enables control through the ...
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0answers
344 views

Simple Kivy App for Bootstrap Algorithm

I have a very simlpe app built using Kivy, for performing bootstrap algorithm (statistics). We must input some samples in the form x1,x2,...,xn (these will be ...
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32 views

Parsing and plotting with numpy (or pandas)

I am trying to improve the following code to make it more broadly applicable and quick to use. ...
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0answers
188 views

Matplotlib embedded in tkinter

Investigating how to use tkinter controls with buttons and sliders and to combine these with matplotlib, I have come to the following code. Suggestions for improvements and tips are most welcome. ...
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0answers
583 views

Converts audio files to fixed size chunks and the chunks to spectrogram images

This code takes in input as audio files (.wav or .WAV) and divides them into fixed-size (chunkSize in seconds) samples. Then these chunks are converted to spectrogram images after applying PCEN (Per-...
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141 views

Animation of an incremental rotary encoder

While reworking my teaching materials for an exercise of an introductory course on mobile robotics, I recently created a animation/simulation of an incremental rotary encoder, e.g. often used for ...
3
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1answer
106 views

Calculating pi via collisions

This code calculates pi via collisions; it asks for a user input of N which determines the mass of the second block. It is fully working, it just takes forever to run when N >= 2. I want to be able ...
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0answers
91 views

graphtimer v2 - Utility to plot timings

GitHub repo (MIT) Clone the repo and replace the contents of example.py with the one at the bottom and you'll have everything setup. Explanation of the code A ...
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1answer
67 views

Python implementation of approximating the chance a particle is at a location after n steps in the cardinal directions

Recently, I became very interested in a probability practice problem in my textbook for my class. I decided to implement it in code and I think I got most of it implemented. Right now, I'm hoping to ...
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1answer
86 views

Code to plot graphs with multiple panels efficiently

I quite often plot graphs looking at how some property or function varies with different parameters. Normally, I find the analysis code can be written fairly succinctly and separated into a suitable ...
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1answer
1k views

A Python script to plot data and save to PDF

I have a very simple Python script. All it does is open two data files from a given directory, read the data, make a series of plots and save as PDF. It works, but it is very slow. It takes almost 20 ...
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1answer
94 views

Plot a piecewise-defined function

I would like to plot the following function: $$ \begin{align} \Lambda(\delta\tau) &\equiv\ \chi(\delta\tau, 0) = \frac{1}{T_i} \int_0^{T_i} a(t_0+t')a(t_0+t'+\delta\tau) dt' \\ &= \begin{...
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1answer
733 views

Generating scatter plot from a CSV file

Assume you have the following data in the form of a csv-file. The content looks something like this: ...
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74 views

Sum, validate, and plot monthly inventory levels

The idea is that I have a subset of the movements of material of a factory (over 700k rows), and I want to separate these movements by the reference of each product to plot the stock of each product ...
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1answer
140 views

Project structure for a reactor model built in Python

I use Python for various computational reactor modeling activities. While there are many components to the models I develop, the basic structure of the project folder tends to be similar to the ...
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96 views

Modularizing matplolib graphing based on a data dictionary

For plotting I often use a dictionary that contains my data of interest, regarding my numerical simulations. For example I have a numpy array let's call it ...
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1answer
458 views

Implementation of a threshold detection function in Python

I want to implement following trigger function in Python: Input: time vector t [n dimensional numpy vector] data vector y [n dimensional numpy vector] (values correspond to t vector) threshold tr [...
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0answers
133 views

Live plot with many subplots

I have a stream of sensor data which I want to visualize in a plot with many subplots. Plotting the data is a real bottleneck in my code. Right now I get with small resolution only 16 FPS which is far ...
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0answers
42 views

Measure size of repository as a function of time

In order to avoid having to make any real progress (at least for a short time), I wrote a script that measures how much progress I have made so far, instead. Specifically, this script sums up the file ...