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Mask only partially visible when loaded #717

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xibeishun opened this issue Mar 14, 2025 · 3 comments · Fixed by #719
Closed

Mask only partially visible when loaded #717

xibeishun opened this issue Mar 14, 2025 · 3 comments · Fixed by #719

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@xibeishun
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Image

Description:
When loading a segmentation mask in VolView, some masks are only partially displayed. The issue is observed as follows:
Some regions of the mask are not correctly rendered.
The same data displays correctly in other visualization tools (e.g., ITK-Snap, 3D Slicer).
The issue persists across different mask file formats (NIFTI).

Steps to Reproduce:
Load a 3D segmentation mask file (e.g., NIFTI format) in VolView.
Observe the mask rendering result.
Notice that part of the mask is missing or not displayed correctly.
@PaulHax
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PaulHax commented Mar 14, 2025

Yikes. Looks like a bug during rendering. Do you happend to have some files to share with this problem? Background and the segmentation 🙏

@xibeishun
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Thanks for your response! Yes, this issue seems to be rendering-related. I have prepared some example files that demonstrate the problem, including both the background image and the segmentation mask.

data
mask

PaulHax added a commit to PaulHax/VolView that referenced this issue Mar 17, 2025
@PaulHax
fix(slices): set coincident topology with relative
8995ca7 
Also, put segmentation slices on top.

Closes Kitware#717
@PaulHax PaulHax mentioned this issue Mar 17, 2025
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@PaulHax
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PaulHax commented Mar 19, 2025

@xibeishun Thanks for the files. This issue is fixed on main branch and at https://volview-dev.kitware.app/

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fix(slices): set coincident topology with relative PaulHax/VolView
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@PaulHax @xibeishun