Matplotlib ginput not working. get_backend()", you .

Matplotlib ginput not working. We should probably at least raise a warning about this but I don't think there's really a safe reasonable way for a backend to reach into pyplot and mess with things (@tacaswell ?) Jul 12, 2025 · Matplotlib is a library in Python and it is numerical – mathematical extension for NumPy library. . running the script below gives me the following traceback. My code for using ginput is below. For those who don't know what I am talking about, it is a blocking call that can be used in a script to ask the user to ent… Jan 1, 2000 · I had this problem when working from within a virtualenv. ginput # Figure. 98. figure. Cause The cause of the problem is that when you pip install matplotlib, it fails to find any backends (even if they are installed on your machine), so it uses the "agg" backend, which does not make any plots, just writes files. ginput, the icon for the graphics library (Qt5 for my case) will appear, but the actual plot does not appear, making it impossible to select icons. MIDDLE) [source] # Blocking call to interact with a figure. There are three possible interactions: Add a point. Figure. Did anybody get the ginput () function to work in Jupyterlab? matplotlib. Nov 25, 2021 · Until that is fixed then ginput will not behave as expected for either ipympl or nbagg. In other Python IDE's, it works flawlessly (e. LEFT, mouse_pop=MouseButton. Follow these steps for easy plotting in Jupyter Noteboo Mar 4, 2009 · ginput isn't working for me right now but was when i was using 0. get_backend()", you Jun 4, 2010 · I'm new to python/matplotlib, migrating from IDL. Learn how to resolve the `UserWarning` regarding non-GUI backend in Matplotlib's `ginput()` function. Wait until the user clicks n times on the figure, and return the coordinates of each click in a list. I do however need to be able to make a not previously specified number of clicks, so ginput (n=0) is a requirement. I need to do some interactive point selection with mouse, and the pyplot. However, I do not get ginput () to work in Jupyterlab. Remove the most Jan 30, 2008 · Hi all, A while ago (a year or so), I was looking for a ginput-like function with matplotlib. The delete and backspace keys act like right-clicking (i. anyone know what is going on? Nov 25, 2021 · I should be able to select data points from a figure and then red crosses are supposed to appear after clicking with the mouse, but nothing happens, an empty array is returned and the figures only appear after the timeout of ginput (). ginput () routine seemed to be just the right thing here. g. Pyplot is a state-based interface to a Matplotlib module which provides a MATLAB-like interface. ginput(n=1, timeout=30, show_clicks=True, mouse_add=MouseButton. It does not yield any errors, just no Figure appears, where I could click with the mouse. RIGHT, mouse_stop=MouseButton. There are various plots which can be used in Pyplot are Line Plot, Contour, Histogram, Scatter, 3D Plot, etc. The output of ginput () accordingly is empty. Jun 11, 2020 · Why is my ginput code not working in python? I am wanting to use the package ginput from matplotlib in python3 to be able to click on points on my data graph and the x,y coordinates are displayed and saved to a variable. 3. e. To confirm that this is the case, go: python -c "import matplotlib; print matplotlib. Nov 25, 2021 · at the beginning of the script. The keyboard can also be used to select points in case your mouse does not have one or more of the buttons. Nov 12, 2017 · Bug summary: When calling plt. , remove last point), the enter key terminates input and any other key (not already used by the window manager) selects a point. Thonny). qzqv rlpme otcfgjemn zwfa spxujk zmqmwxug pewkr esy uycexg uicmyq