small bugfixes

[Hendrik-code]

No description provided.

[Copilot]

Pull Request Overview

This PR contains several small bugfixes and enhancements across multiple modules including 3D mesh rendering, numpy utilities, and vertebra constants. The changes address computation logic errors, add new parameters for enhanced functionality, and fix type annotations.

• Fixes computation bugs in surface calculation and normalization functions
• Adds new parameters for scale factor control and channel-wise dilation
• Corrects file path handling and method calls in mesh operations

Reviewed Changes

Copilot reviewed 5 out of 5 changed files in this pull request and generated 3 comments.

Show a summary per file

File	Description
TPTBox/mesh3D/snapshot3D.py	Adds type annotations, scale_factor parameter, and fixes method calls with additional arguments
TPTBox/mesh3D/mesh.py	Fixes file extension concatenation, directory validation logic, and adds HTML export functionality
TPTBox/core/vert_constants.py	Adds missing has_rib attribute assignment and fixes C6 vertebra definition
TPTBox/core/np_utils.py	Fixes surface computation logic and adds new parameters for enhanced Gaussian smoothing
TPTBox/core/nii_wrapper.py	Fixes normalization calculation bug and adds new smoothing parameters

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[Copilot]

The C6 vertebra definition is inconsistent with other entries. It should follow the same pattern as other vertebrae (e.g., C6 = 6 or include proper parameter names if the tuple format is intentional).

Suggested change

	C6 = 6, True, True
	C6 = 6