ImageQt | 数字图像处理——基于Qt 5.8.0 - Image viewer powered by Qt | Computer Vision library

i'm trying to write a program that mashes 2 images together with a function (using cv2) and then display it on screen with a GUI written in PyQT, so my first attempt was to do the following

I am trying to build a docker image for my django project. The project used pillow and hence I have it in my requiements.txt file. But I am getting an error while building the image

Here is my Dockerfile

Hello I am tring to implement simple image widget with zoom to mouse position. I combined the example at Zooming in/out on a mouser point ? and https://doc.qt.io/qt-5/qtwidgets-widgets-imageviewer-example.html. However the image do not scale as expected and the scale bars do not update appropriately either. Here is my code:

Pretty sure I've looked everywhere on the whole internet for why this is happening so I've resorted to asking a question for once.

Anyway, I'm trying to make a transparent (apart from the borders) QSlider lay on top of a QLabel with a QPixmap set on it.

This is so I can have this hue gradient underneath the transparent parts of this slider (so that I can select a hue, I'm creating a rough image editor)

But the problem is, no matter how transparent it knows it is (it's literally displaying the background colour of the whole window behind it) it just seems to really not want to let the QLabel show up beneath it

I know I could save the hue gradient and use .setStyleSheet('background-image:url('gradient.png') and avoid using a QLabel altogether, but I don't want to have to save the gradient as a file, I want it in main memory when the program is running.

Currently this is my code:

Using PyQt5 I am viewing an image in a QGraphicsView. I want to be able to zoom in/out while pressing ctrl and using the mouse wheel. I have this working, however if the image is too large, and there are scroll bars, it ignores the zoom functionality until you scroll to the top or bottom.

How can I fix this to where it does not scroll when ctrl is pressed, while allowing it to zoom in/out.

I'm converting old Python 2.7 code to Python 3 and get following error on the last line:

I am trying to process streaming data from a camera. Python keeps crashing with this message though:

I'm trying to display a map of the world in a program I've made using PyQt5. For the rendering stuff so far this is the (mostly borrowed) code I have:

im using pyqt5 to create a gui and using matplotlib

but whene i try to create executable with pyinstaller it dose not work

i try a few solution like :

1- Can't create working PyQt5 Python executable with PyInstaller/

2- In PyInstaller, Why Won't NumPy.Random.Common Load as a Module?

3- Python SSL Import Error in PyInstaller generated executable

i try to do it with cx_Freeze and try this solution cx_Freeze error: baseline image directory does not exist

but nothing work with me

this is my log after using pyinstaller