Hi Mujassim,

I think at this stage an example-based exploration is probably the most 
efficient way of going forward. For the Live Wire tool, see [1] for example and 
move up the inheritance until you find the code using an Interactor. An 
Interactor is connected to a state machine and a separate config for that 
statemachine. Both are written as .xml files. The Interactor code connects 
actions and conditions of a statemachine to its methods.

Best,
Stefan

[1] https://docs.mitk.org/2024.12/classmitk_1_1LiveWireTool2D.html
________________________________________
Von: Mujassim Jamal <mujassimjama...@gmail.com>
Gesendet: Dienstag, 11. Februar 2025 04:46
An: Dinkelacker, Stefan
Cc: mitk-users@lists.sourceforge.net
Betreff: Re: [Extern] - [mitk-users] Contour Editing in MITK

Hi,

Yes, I previously built MITK v2023.12, but I encountered several compiler 
errors related to ITK (conversion type errors) and POCO (OpenSSL version 
mismatch).

Thank you for suggesting these four tools. I have explored all of them and 
found that the Draw Polygon and LiveWire tools closely match my use case, 
though I will still need to make significant customizations. I plan to refer to 
the code of these two tools to get an initial understanding of point adding, 
dragging, picking, etc.

I would appreciate it if you could share any resources on developing a custom 
interactor in MITK.

Best,
Mujassim

On Wed, 5 Feb 2025 at 17:28, Dinkelacker, Stefan 
<s.dinkelac...@dkfz-heidelberg.de<mailto:s.dinkelac...@dkfz-heidelberg.de>> 
wrote:
Hi and welcome to MITK!

The last version of MITK that supported Qt 5 was MITK v2023.12, as far as I 
know. Starting with later versions, Qt 6.6+ is a strict requirement.

To get started, I recommend running the MitkWorkbench application and exploring 
the contour interaction functionalities available in two different plugins:

- Measurement [1]: The Draw Polygon and Draw Subdivision Polygon tools 
demonstrate how contours can be interacted with.

- Segmentation [2]: The Lasso and LiveWire tools are both based on contour 
interaction.

MITK provides at least two approaches for working with contours and interacting 
with them. However, you will need to write some code—for example, handling a 
Modified event to map contour changes back to a 3D model (referred to as a 
Surface in MITK). Additionally, MITK's current interactors only operate on 
individual contour vertices.

If you aim to implement an approach similar to what you showed in your 
video—where multiple neighboring vertices of a contour are modified 
simultaneously—you will need to develop a custom interactor. While this is 
certainly possible, it is not the simplest task for a first MITK project.

Best,
Stefan

[1] https://docs.mitk.org/2024.12/org_mitk_views_measurement.html
[2] 
https://docs.mitk.org/2024.12/org_mitk_views_segmentation.html#org_mitk_views_segmentationlivewiretool

________________________________________
Von: Mujassim Jamal 
<mujassimjama...@gmail.com<mailto:mujassimjama...@gmail.com>>
Gesendet: Mittwoch, 5. Februar 2025 11:27
An: mitk-users@lists.sourceforge.net<mailto:mitk-users@lists.sourceforge.net>
Betreff: [Extern] - [mitk-users] Contour Editing in MITK

Hi,

First of all, I am new to using MITK. I am working with Qt 5.15.2, but I 
couldn't find an MITK version compatible with this Qt version. Therefore, I 
built the latest version of MITK (v2024.12).

My question is: Can I use the MITK toolkit to create a contour editing feature 
such that, after projecting a 3D model as a contour onto the 2D segmentation, I 
can pick and drag the points on the contour in 2D and see the effect directly 
on the 3D model? I found that MITK provides various contour-related classes, 
but I am unsure whether they can be used for my specific use case.

I am attaching a Google Drive link that contains a video showcasing what I want 
to achieve using MITK.
Video: 
https://drive.google.com/file/d/1Wu3UJmQQeewlR0Thvx7TPP0iYLEmfu1J/view?usp=sharing

Thank you.


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