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# Function Overview
 
 
## **Tracing Sutures (Interactive Path Tracing in 2D Images)**
 
_This project seeks to develop a GUI enabling users to interactively create and extract paths in 2D images._
 
 
---
 
 
## **Functions List**
 
 
- `set_img_path`
 
- Takes the path to the image as input.
 
- Sets self.path.
 
- Is triggered on button click.
 
 
- `load_img`
 
- Takes self.path as input.
 
- Displays the input image on the GUI.
 
- Is triggered on button click.
 
 
- `start_edit`
 
- Takes no input.
 
- Sets self.editEnabled to true.
 
- Is triggered on button click.
 
 
- `calc_gradients`
 
- Takes self.path as input.
 
- Calculates gradients in input image and saves as self.gradient
 
- Is triggered by `load_img`.
 
 
- `set_point`
 
- Takes no input.
 
- Creates a point of the spline on the image when the users clicks left clicks.
 
- Adds the point to self.points.
 
 
- `remove_point`
 
- Takes no input.
 
- Removes the point the user is hovering over when the user right clicks.
 
- Removes the point from self.points.
 
 
- `update_alpha`
 
- Updates self.alpha.
 
- Is triggered by slider.
 
 
- `update_beta`
 
- Updates self.beta.
 
- Is triggered by slider.
 
 
- `active_contour`
 
- Takes self.points, self.gradient, self.alpha and self.beta as inputs.
 
- Performs active contour for finding the curve.
 
- Displays the found _snake_.
 
 
- `set_export_path`
 
- Sets self.exportPath to the path chosen (by GUI-popup?) by the user.
 
 
- `export_line`
 
- Takes self.exportPath as input.
 
- Creats a new np-array file on the chosen path containing the found snake.
 
 
 
## **Notes**
 
_This is only a rough first draft/overview of the functions needed for the project._
 
 
---
 
 
**Author:** Christian Bjerregaard
 
**Date:** 07-01-2025
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