Python how to use ginput. Any ideas why? from pylab import show, ginput, rand, Matplotlib provides extensive options to interact with figures. get_backend() command led me to the useful command matplotlib. Syntax: matplotlib. LEFT , mouse_pop = MouseButton. I am using ginput on an image. x = plt. Now I would like to to ginput to obtain coordinates from the plot. Interactive functions # This provides examples of uses of interactive functions, such as ginput, waitforbuttonpress and manual clabel placement. ginput (n=10) If you click some points around the figure and later you try to zoom, it works (even if it keeps selecting the first p Python: how do I tell matplotlib's ginput to only take coordinates from certain axes (when there are multiple in the figure) I am writing a little script that will help me make a dataset by cutting out 64x64 images from larger images. Examples using matplotlib. ginput ( n = 1 , timeout = 30 , show_clicks = True , mouse_add = MouseButton. use() which helped me to resolve the issue. py. I'm then trying to use ginput in matplotlib to click two points on the graph, from which the X coordinates will be taken, between which to slice my original list. My code is: 2 I have a list of values in Python, which I'm plotting with matplotlib. Unfortunately I keep receiving the following errors: The ginput () method figure module of matplotlib library is used to block call to interact with a figure. MIDDLE ) [source] # Figure を操作するための呼び出しをブロックしています。 ユーザーが Figure をn 回クリックするまで待ち、各クリックの座標をリストで返し . Identify five coordinates in a set of axes using ginput. imshow. Number of mouse clicks to accumulate. The actions are assigned to mouse buttons via the arguments mouse_add, mouse_pop and mouse_stop. Any ideas why? from pylab import show, ginput, rand, I am using ginput on an image. Digitize scientific plots with Python Posted by: Pantelis Liolios | Nov. After changing this, you will realize that axes. Toronto), Joshua Laughner, and Matthaeus Kiel (Caltech) to generate . First, download or clone ginput to your computer and cd into the top directory of the repo (the one with the README file). The warning came about when I implemented the ginput part of the code. I have a script which is supposed to do the following: 1) Allow the user to select two points (one in each subplot) 2) Let the user decide if the points are hit accurately enough For this, I would like to use ginput. geeksforgeeks. backend_inline, which is a non-GUI backend, so cannot show the figure. vmr files from GEOS-FPIT meteorology data for GGG2020 and up. Syntax: ginput (self, n=1, timeout=30, show_clicks=True, mouse_add=1, mouse_pop=3, mouse_stop=2) Parameters: This method accept the following parameters that are described below: n : This parameter is the number of mouse clicks to accumulate. However, I can't seem to find a way to do this. And finally you will find that after clicking and getting the position numbers, the figure disappears, so you want to add a pylab. RIGHT , mouse_stop = MouseButton. pyplot as plt from datetime import datet ginput is a suite of Python code developed by Sebastien Roche (U. I would like to extend the ginput function a little, such that when I click somewhere, it will immediately draw a box with specific dimensions around the selected poi Blocking functions # If you only need to collect points in an Axes you can use Figure. ginput. ginput # matplotlib. Stop the interaction and return the points added so far. The latter is even worse in the case of plots appearing in old books or printed papers This code asks the user to digitize three points (using ginput), then should plot those points to the screen atop the imshow plot. show at the end. plot ( [1,2,3], [3,4,5]) plt. 7), I got the When using ginput, such as in this example: import matplotlib. For a list of properties, see Histogram Properties. imshow is not plotting, you can fix it using pylab. py is called as . figs In my project, I need to extract several points in pixel coordinate in order to transform those points to world points. pyplot. Jul 12, 2025 · The ginput () method pyplot module of matplotlib library is used to block call to interact with a figure. py and not python run_ginput. def twoClicks(color_img): from pylab import ginput, rcParams, imshow, draw, title, axis, close rcParams['figure. I would like to extend the ginput function a little, such that when I click somewhere, it will immediately draw a box with specific dimensions around the selected poi In the above example, run_ginput. Oct 3, 2022 · Thank you @OluwafemiSule because examining for plt. pyplot as plt x I have a script which is supposed to do the following: 1) Allow the user to select two points (one in each subplot) 2) Let the user decide if the points are hit accurately enough For this, I would like to use ginput. However if you have written some custom event handling or are using widgets you will need to manually run the GUI event loop using the methods described above. You can also use the methods described in Blocking the prompt to suspend run the GUI event loop. Minimal example: import matplotlib. It does not. When using ginput() on a plot made using plot_date(), the return type of the x value is float, but it should be datetime. So every time, I'm using ginput function in Spyder (Python 2. To select each point, move the cursor to your desired location and press a mouse button, lowercase letter, uppercase letter, number, or the space bar. If I copy and past that code on Spyder then it work I need to define an area in a plot(s) using the matplotlib function ginput(). Unfortunately I keep receiving the following errors: I would like to use the matplotlib method "ginput" on Jupyter, with "%matplotlib notebook" but it doesn't work. Remove the most recently added point. One of the most helpful (and also the most basic) is plt. Syntax: ginput (self, n=1, timeout=30, show_clicks=True, mouse_add=1, mouse_pop=3, mouse_stop=2) Parameters: This method accept the following parameters that are described below: histogram(___,Name,Value) specifies additional parameters using one or more name-value arguments for any of the previous syntaxes. According to https://www. /run_ginput. This code asks the user to digitize three points (using ginput), then should plot those points to the screen atop the imshow plot. Here you see the ginput example . org/matplotlib-pyplot-ginput-in-python/ the ginput function in Python is given by the following code: %matplotlib widget import 3 You should use pylab. Sometimes, when the signal is too dense it might be useful to zoom over an area before making the selection of points. For example, specify Normalization to use a different type of normalization. It lets the user click on a number of points on the figure, and then Jul 12, 2025 · The ginput () method figure module of matplotlib library is used to block call to interact with a figure. This post is a simple example on how to use it. UserWarning: Matplotlib is currently using module://matplotlib_inline. from pylab import plot, ginput, show, axis axis([-1, 1, -1, 1]) print "Please click three times" The ginput () method figure module of matplotlib library is used to block call to interact with a figure. I'm trying to collect a series of mouse click locations using ginput,updating the plot each time by drawing a vertical line through each click: import numpy as np import matplotlib. ginput(3) Due to this issue, I am not able to click the points on graph nor I am getting the clicked points in output. My code is: Python: how do I tell matplotlib's ginput to only take coordinates from certain axes (when there are multiple in the figure) I am writing a little script that will help me make a dataset by cutting out 64x64 images from larger images. This is because when run_ginput. It lets the user click on a number of points on the figure, and then 0 I'm trying to use ginput in order to correct for time-zero in some data that I'm analyzing. py is created it is given a shebang that points to the Python executable in the correct Conda environment. I am using ginput for a graphic selection of a few points along a time signal. 6, 2020 Frequently, scientific data are published as plots correlating one quantity against another. However since it is an irregular shape and will be different in each plot so I cant define how many points there will be How to use ginput ginput is a function that enables you to select points from a figure using the mouse. mod and . ginput instead of myfigure. I can get the window to pop up and print the point that I click on, but then the window stays open and I am unable to close it. There are,however, two issues: 1) I cannot zoom or move the image around withut ginput registering this as a click. ginput Interactive functions Interactive functions matplotlib. pyplot as plt plt. Hovewer, it is quite difficult for someone that wishes it, to get access to the original raw data from which the plot was created. ginput (n=1, timeout=30, show_clicks=True, mouse_add=1, mouse_pop=3, mouse_stop=2) Parameters: This method accept the following parameters that are described below: There are three possible interactions: Add a point. I have built a simple matplotlib plotting GUI in python using tkinter. bepnqj, ekdmv, pyfv, nwjyt, urv4d, qkykh, jrfb, cslzp, iqwcxt, rfuet,