Upload a 3D image in .tif format. Click the Compute Vectors button to process the image and generate the vectors. Use the slider to navigate through the 2D slices. This is the official implementation of 3DCellPol, described in this paper: https://www.sciencedirect.com/science/article/pii/S1746809425000485. The raw code is available at https://github.com/HemaxiN/3DCellPol.