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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.
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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.
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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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