Histogram Playground

This is a client/server prototype for an image scaling tool that allows users to set the high and low points of an image and generate a RGB stack.

The frontend displays 3 images, taken in astronomical filters that map roughly to red/green/blue. There are high and low sliders to adjust the 16-bit value of the lowest (black) and highest (white) points, and scales and displays an 8 bit image accordingly.

Setup

1. Install dependencies into virtual environment:

pip install -r requirements.txt

2. Run a http server to host the static files

python -m http.server 8000

3. In a separate terminal, run the flask backend

flask run

4. Navigate to http://localhost:8000/frontend.html

5. Have fun! Clicking "generate RGB image" will write a JPEG (rgb_image.jpg) to the current working directory. Adjustments will also be done on the fly as sliders are moved, but sometimes the backend has trouble keeping up with the rate of changes.