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Region of interest (ROI)
Cristel Chandre edited this page Jul 26, 2024
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A region of interest (ROI) is a closed area of an image in which you want to focus your image analysis. You can add as many ROIs as you want before starting the polarimetry analysis. ROIs can be polygon-shaped or freeform.
For managing ROIs, open the ROI Manager by clicking
![](https://github.com/cchandre/Polarimetry/raw/master/pypolar/icons/roi.png)
For polygon-shaped ROIs, click successively the left mouse button.
For freeform ROIs, click continuously the right mouse button.
Double click to close the ROI.
NB: When Add ROI is active, it is not possible to use the navigation toolbar (for, e.g., pan, zoom). First close the ROI before using the navigation toolbar again.
PyPOLAR is developed under BSD 2-Clause License, Copyright(c) 2021 cristel.chandre@cnrs.fr