ChimeraX bug report submission

[chimerax-bug-report@…]

The following bug report has been submitted:
Platform:        macOS-13.0-arm64-arm-64bit
ChimeraX Version: 1.12.dev202603070142 (2026-03-07 01:42:04 UTC)
Description
Replace this text with list of actions that caused this problem to occur

Log:
Startup Messages  
---  
warning | No presets found in custom preset folder /Users/black/custompreset  
  
UCSF ChimeraX version: 1.12.dev202603070142 (2026-03-07)  
© 2016-2026 Regents of the University of California. All rights reserved.  
How to cite UCSF ChimeraX  

> open /Users/black/Documents/Craik_MHC_Fab/run_class001.mrc

Opened run_class001.mrc as #1, grid size 172,172,172, pixel 1.69, shown at
level 0.00379, step 1, values float32  

> open /Users/black/Documents/Craik_MHC_Fab/run_solvent_mask.mrc

Opened run_solvent_mask.mrc as #2, grid size 172,172,172, pixel 1.69, shown at
level 1, step 1, values float32  

> volume #1 level 0.03907

> volume #1 level 0.05885

> volume #2 level 0.8607

> volume #2 style mesh

> volume #1 level 0.01387

> volume #1 level 0.03326

> volume #2 level 0.9819

> volume #1 level 0.03132

> volume #1 level 0.002238

> volume #1 level 0.01426

> open
> /Users/black/Documents/Craik_MHC_Fab/cryosparc_P52_J189_004_volume_map_sharp.mrc

Opened cryosparc_P52_J189_004_volume_map_sharp.mrc as #3, grid size
172,172,172, pixel 1.69, shown at level 0.13, step 1, values float32  

> open
> /Users/black/Documents/Craik_MHC_Fab/cryosparc_P52_J189_006_volume_map_sharp.mrc

Opened cryosparc_P52_J189_006_volume_map_sharp.mrc as #4, grid size
172,172,172, pixel 1.69, shown at level 0.163, step 1, values float32  

> hide #!3 models

> hide #!2 models

> hide #!1 models

> volume #4 level 0.9412

> volume #4 level 0.8764

> open
> /Users/black/Documents/Craik_MHC_Fab/cryosparc_P52_J178_001_volume_map_sharp.mrc

Opened cryosparc_P52_J178_001_volume_map_sharp.mrc as #5, grid size
172,172,172, pixel 1.69, shown at level 0.133, step 1, values float32  

> volume #5 level 1.002

> open
> /Users/black/Documents/Craik_MHC_Fab/cryosparc_P52_J194_006_volume_map_sharp.mrc

Opened cryosparc_P52_J194_006_volume_map_sharp.mrc as #6, grid size
172,172,172, pixel 1.69, shown at level 0.157, step 1, values float32  

> volume #6 level 0.8268

> hide #!5 models

> hide #!4 models

> open
> /Users/black/Documents/Craik_MHC_Fab/cryosparc_P52_J110_class_02_final_volume.mrc

Opened cryosparc_P52_J110_class_02_final_volume.mrc as #7, grid size
128,128,128, pixel 2.28, shown at level 0.149, step 1, values float32  

> volume #7 level 0.5065

> hide #!6 models

> show #!6 models

> hide #!6 models

> open
> /Users/black/Downloads/cryosparc_P52_J129_class_03_00162_volume_sharp.mrc

Opened cryosparc_P52_J129_class_03_00162_volume_sharp.mrc as #8, grid size
172,172,172, pixel 1.69, shown at level 0.114, step 1, values float32  

> volume #8 level 0.4268

> hide #!7 models

> volume #8 level 0.3088

> open /Users/black/Documents/Craik_MHC_Fab/mask.mrc

Failed opening file /Users/black/Documents/Craik_MHC_Fab/mask.mrc:  
File size 14680064 too small for grid size (172,172,172)  

> open /Users/black/Documents/Craik_MHC_Fab/mask.mrc

Opened mask.mrc as #9, grid size 172,172,172, pixel 1.69, shown at level 1,
step 1, values float32  

> volume #9 level 0.6126

> volume #9 style mesh

> volume #9 level 0.4562

> hide #!8 models

> show #!8 models

> hide #!9 models

> ui tool show "Segment Map"

Segmenting cryosparc_P52_J129_class_03_00162_volume_sharp.mrc, density
threshold 0.308755  
Showing 4 region surfaces  
92 watershed regions, grouped to 4 regions  
Showing cryosparc_P52_J129_class_03_00162_volume_sharp.seg - 4 regions, 4
surfaces  
Smoothing and grouping, standard deviation 5 voxels  
Showing 3 region surfaces  
Got 3 regions after smoothing 5 voxels.  
Smoothing and grouping, standard deviation 6 voxels  
No new groups smoothing 6 voxels  
No new groups smoothing 7 voxels  
No new groups smoothing 8 voxels  
Showing 2 region surfaces  
Got 2 regions after smoothing 9 voxels.  
Traceback (most recent call last):  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.11/lib/python3.11/site-
packages/chimerax/segger/segment_dialog.py", line 1455, in
WriteEachRegionMRCFile  
path, type = QFileDialog.getSaveFileName(caption = "Save Masked Maps",  
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^  
AttributeError: PySide6.QtWidgets.QFileDialog.getSaveFileName(): unsupported
keyword 'directory'  
  
AttributeError: PySide6.QtWidgets.QFileDialog.getSaveFileName(): unsupported
keyword 'directory'  
  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.11/lib/python3.11/site-
packages/chimerax/segger/segment_dialog.py", line 1455, in
WriteEachRegionMRCFile  
path, type = QFileDialog.getSaveFileName(caption = "Save Masked Maps",  
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.11/lib/python3.11/site-
packages/chimerax/segger/segment_dialog.py", line 1455, in
WriteEachRegionMRCFile  
path, type = QFileDialog.getSaveFileName(caption = "Save Masked Maps",  
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^  
AttributeError: PySide6.QtWidgets.QFileDialog.getSaveFileName(): unsupported
keyword 'directory'  
  
AttributeError: PySide6.QtWidgets.QFileDialog.getSaveFileName(): unsupported
keyword 'directory'  
  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.11/lib/python3.11/site-
packages/chimerax/segger/segment_dialog.py", line 1455, in
WriteEachRegionMRCFile  
path, type = QFileDialog.getSaveFileName(caption = "Save Masked Maps",  
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^  
  
See log for complete Python traceback.  
  




OpenGL version: 4.1 Metal - 83
OpenGL renderer: Apple M2
OpenGL vendor: Apple

Python: 3.11.9
Locale: UTF-8
Qt version: PySide6 6.10.1, Qt 6.10.1
Qt runtime version: 6.10.1
Qt platform: cocoa
Hardware:

    Hardware Overview:

      Model Name: MacBook Pro
      Model Identifier: Mac14,7
      Model Number: Z16S0002NX/A
      Chip: Apple M2
      Total Number of Cores: 8 (4 performance and 4 efficiency)
      Memory: 16 GB
      System Firmware Version: 8419.41.10
      OS Loader Version: 8419.41.10

Software:

    System Software Overview:

      System Version: macOS 13.0 (22A380)
      Kernel Version: Darwin 22.1.0
      Time since boot: 4 hours, 58 minutes

Graphics/Displays:

    Apple M2:

      Chipset Model: Apple M2
      Type: GPU
      Bus: Built-In
      Total Number of Cores: 10
      Vendor: Apple (0x106b)
      Metal Support: Metal 3
      Displays:
        Color LCD:
          Display Type: Built-In Retina LCD
          Resolution: 2560 x 1600 Retina
          Main Display: Yes
          Mirror: Off
          Online: Yes
          Automatically Adjust Brightness: Yes
          Connection Type: Internal
        DELL U2415:
          Resolution: 1920 x 1200 (WUXGA - Widescreen Ultra eXtended Graphics Array)
          UI Looks like: 1920 x 1200 @ 60.00Hz
          Mirror: Off
          Online: Yes
          Rotation: Supported


Installed Packages:
    accessible-pygments: 0.0.5
    aiohappyeyeballs: 2.6.1
    aiohttp: 3.13.1
    aiosignal: 1.4.0
    alabaster: 1.0.0
    annotated-types: 0.7.0
    anyio: 4.12.1
    appdirs: 1.4.4
    appnope: 0.1.4
    asttokens: 3.0.1
    attrs: 25.4.0
    babel: 2.18.0
    beautifulsoup4: 4.13.5
    blockdiag: 3.0.0
    blosc2: 4.1.2
    build: 1.3.0
    certifi: 2025.7.14
    cftime: 1.6.5
    charset-normalizer: 3.4.5
    ChimeraX-AddCharge: 1.5.20
    ChimeraX-AddH: 2.2.8
    ChimeraX-AlignmentAlgorithms: 2.0.2
    ChimeraX-AlignmentHdrs: 3.6.2
    ChimeraX-AlignmentMatrices: 2.1
    ChimeraX-Alignments: 3.2
    ChimeraX-AlphaFold: 1.0.1
    ChimeraX-AltlocExplorer: 1.2
    ChimeraX-AmberInfo: 1.0
    ChimeraX-Animations: 1.0
    ChimeraX-Aniso: 1.3.2
    ChimeraX-Arrays: 1.1
    ChimeraX-Atomic: 1.64.1
    ChimeraX-AtomicLibrary: 14.2.3
    ChimeraX-AtomSearch: 2.0.1
    ChimeraX-AxesPlanes: 2.4
    ChimeraX-BasicActions: 1.1.3
    ChimeraX-BILD: 1.0
    ChimeraX-BlastProtein: 3.0.0
    ChimeraX-Boltz: 1.1
    ChimeraX-BondRot: 2.0.4
    ChimeraX-BugReporter: 1.0.2
    ChimeraX-BuildStructure: 2.13.1
    ChimeraX-Bumps: 1.0
    ChimeraX-BundleBuilder: 1.6.0
    ChimeraX-ButtonPanel: 1.0.1
    ChimeraX-CageBuilder: 1.0.1
    ChimeraX-CellPack: 1.0
    ChimeraX-Centroids: 1.4.1
    ChimeraX-ChangeChains: 1.1
    ChimeraX-CheckWaters: 1.5
    ChimeraX-ChemGroup: 2.0.2
    ChimeraX-Clashes: 2.3
    ChimeraX-Cluster: 1.0
    ChimeraX-ColorActions: 1.0.5
    ChimeraX-ColorGlobe: 1.0
    ChimeraX-ColorKey: 1.5.8
    ChimeraX-CommandLine: 1.3.1
    ChimeraX-ConnectStructure: 2.0.1
    ChimeraX-Contacts: 1.0.1
    ChimeraX-Core: 1.12.dev202603070142
    ChimeraX-CoreFormats: 1.2
    ChimeraX-coulombic: 1.4.5
    ChimeraX-Crosslinks: 1.0
    ChimeraX-Crystal: 1.0
    ChimeraX-CrystalContacts: 1.0.1
    ChimeraX-DataFormats: 1.2.4
    ChimeraX-Dicom: 1.2.7
    ChimeraX-DistMonitor: 1.4.2
    ChimeraX-DockPrep: 1.2
    ChimeraX-Dssp: 2.0
    ChimeraX-EMDB-SFF: 1.0
    ChimeraX-ESMFold: 1.0
    ChimeraX-FileHistory: 1.0.1
    ChimeraX-FunctionKey: 1.0.1
    ChimeraX-Geometry: 1.3
    ChimeraX-gltf: 1.0
    ChimeraX-Graphics: 1.4.1
    ChimeraX-Hbonds: 2.5.3
    ChimeraX-Help: 1.3
    ChimeraX-HKCage: 1.3
    ChimeraX-IHM: 1.1
    ChimeraX-ImageFormats: 1.2
    ChimeraX-IMOD: 1.0
    ChimeraX-IO: 1.0.4
    ChimeraX-ItemsInspection: 1.0.1
    ChimeraX-IUPAC: 1.0
    ChimeraX-KVFinder: 1.8.2
    ChimeraX-Label: 1.3
    ChimeraX-LightingGUI: 1.0
    ChimeraX-ListInfo: 1.3.1
    ChimeraX-Log: 1.2.2
    ChimeraX-LookingGlass: 1.1
    ChimeraX-Maestro: 1.9.2
    ChimeraX-Map: 1.3
    ChimeraX-MapData: 2.0
    ChimeraX-MapEraser: 1.0.1
    ChimeraX-MapFilter: 2.0.1
    ChimeraX-MapFit: 2.0
    ChimeraX-MapSeries: 2.1.1
    ChimeraX-Markers: 1.0.1
    ChimeraX-Mask: 1.0.2
    ChimeraX-MatchMaker: 2.2.2
    ChimeraX-MCopy: 1.0
    ChimeraX-MCPServer: 0.2.0
    ChimeraX-MDcrds: 2.18
    ChimeraX-MedicalToolbar: 1.1
    ChimeraX-Meeting: 1.0.1
    ChimeraX-Minimize: 1.3.6
    ChimeraX-MLP: 1.1.1
    ChimeraX-mmCIF: 2.16
    ChimeraX-MMTF: 2.2
    ChimeraX-ModelArchive: 1.0
    ChimeraX-Modeller: 1.5.23
    ChimeraX-ModelPanel: 1.6.1
    ChimeraX-ModelSeries: 1.0.1
    ChimeraX-Mol2: 2.0.3
    ChimeraX-Mole: 1.0
    ChimeraX-Morph: 1.0.2
    ChimeraX-MouseModes: 1.2
    ChimeraX-Movie: 1.0.1
    ChimeraX-MutationScores: 1.0
    ChimeraX-Neuron: 1.0
    ChimeraX-Nifti: 1.2
    ChimeraX-NMRSTAR: 1.0.2
    ChimeraX-NRRD: 1.2
    ChimeraX-Nucleotides: 2.0.3
    ChimeraX-OpenCommand: 1.15.4
    ChimeraX-OpenFold: 1.0
    ChimeraX-OrthoPick: 1.0.1
    ChimeraX-PDB: 2.7.12
    ChimeraX-PDBBio: 1.0.1
    ChimeraX-PDBLibrary: 1.0.5
    ChimeraX-PDBMatrices: 1.0
    ChimeraX-PickBlobs: 1.0.1
    ChimeraX-Positions: 1.0
    ChimeraX-PresetMgr: 1.1.4
    ChimeraX-ProfileGrids: 1.5.1
    ChimeraX-PubChem: 2.2
    ChimeraX-ReadPbonds: 1.0.1
    ChimeraX-Registration: 1.1.2
    ChimeraX-RemoteControl: 1.0
    ChimeraX-RenderByAttr: 1.8
    ChimeraX-RenumberResidues: 1.1
    ChimeraX-ResidueFit: 1.0.1
    ChimeraX-RestServer: 1.3.3
    ChimeraX-RNALayout: 1.0
    ChimeraX-RotamerLibMgr: 4.0
    ChimeraX-RotamerLibsDunbrack: 2.0
    ChimeraX-RotamerLibsDynameomics: 2.0
    ChimeraX-RotamerLibsRichardson: 2.0
    ChimeraX-SaveCommand: 1.5.2
    ChimeraX-Scenes: 0.3.1
    ChimeraX-SchemeMgr: 1.0
    ChimeraX-SDF: 2.0.3
    ChimeraX-Segger: 1.0
    ChimeraX-Segment: 1.0.1
    ChimeraX-Segmentations: 3.5.12
    ChimeraX-SelInspector: 1.0
    ChimeraX-SeqView: 2.18
    ChimeraX-Shape: 1.1
    ChimeraX-Shell: 1.0.1
    ChimeraX-Shortcuts: 1.2.1
    ChimeraX-ShowSequences: 1.0.3
    ChimeraX-SideView: 1.0.1
    ChimeraX-SimilarStructures: 1.0.1
    ChimeraX-Smiles: 2.1.2
    ChimeraX-SmoothLines: 1.0
    ChimeraX-SNFG: 1.0
    ChimeraX-SpaceNavigator: 1.0
    ChimeraX-StdCommands: 1.19.3
    ChimeraX-STL: 1.0.1
    ChimeraX-Storm: 1.0
    ChimeraX-StructMeasure: 1.2.1
    ChimeraX-Struts: 1.0.1
    ChimeraX-Surface: 1.0.1
    ChimeraX-SwapAA: 2.0.1
    ChimeraX-SwapRes: 2.5.3
    ChimeraX-TapeMeasure: 1.0
    ChimeraX-TaskManager: 1.0
    ChimeraX-Test: 1.0
    ChimeraX-Toolbar: 1.2.3
    ChimeraX-ToolshedUtils: 1.2.4
    ChimeraX-Topography: 1.0
    ChimeraX-ToQuest: 1.0
    ChimeraX-Tug: 1.0.1
    ChimeraX-UI: 1.50.3
    ChimeraX-Umap: 1.0
    ChimeraX-uniprot: 2.3.2
    ChimeraX-UnitCell: 1.0.1
    ChimeraX-ViewDock: 1.6.1
    ChimeraX-VIPERdb: 1.0
    ChimeraX-Vive: 1.1
    ChimeraX-VolumeMenu: 1.0.1
    ChimeraX-vrml: 1.0
    ChimeraX-VTK: 1.0
    ChimeraX-WavefrontOBJ: 1.0
    ChimeraX-WebCam: 1.0.2
    ChimeraX-WebServices: 1.1.5
    ChimeraX-Zone: 1.0.1
    click: 8.3.1
    colorama: 0.4.6
    comm: 0.2.3
    contourpy: 1.3.3
    coverage: 7.13.4
    cxservices: 1.2.3
    cycler: 0.12.1
    Cython: 3.2.4
    debugpy: 1.8.20
    decorator: 5.2.1
    docutils: 0.21.2
    executing: 2.2.1
    filelock: 3.19.1
    fonttools: 4.61.1
    frozenlist: 1.8.0
    funcparserlib: 2.0.0a0
    glfw: 2.10.0
    grako: 3.16.5
    h11: 0.16.0
    h5py: 3.16.0
    html2text: 2025.4.15
    httpcore: 1.0.9
    httpx: 0.28.1
    httpx-sse: 0.4.3
    idna: 3.11
    ihm: 2.2
    imagecodecs: 2024.6.1
    imagesize: 2.0.0
    iniconfig: 2.3.0
    ipykernel: 7.1.0
    ipython: 9.9.0
    ipython_pygments_lexers: 1.1.1
    ipywidgets: 8.1.8
    jedi: 0.19.2
    Jinja2: 3.1.6
    jsonschema: 4.26.0
    jsonschema-specifications: 2025.9.1
    jupyter_client: 8.8.0
    jupyter_core: 5.9.1
    jupyterlab_widgets: 3.0.16
    kiwisolver: 1.4.9
    line_profiler: 5.0.0
    lxml: 6.0.2
    lz4: 4.3.2
    Markdown: 3.8.2
    MarkupSafe: 3.0.3
    matplotlib: 3.10.7
    matplotlib-inline: 0.2.1
    mcp: 1.18.0
    msgpack: 1.1.1
    multidict: 6.7.1
    ndindex: 1.10.1
    nest-asyncio: 1.6.0
    netCDF4: 1.6.5
    networkx: 3.3
    nibabel: 5.2.0
    nptyping: 2.5.0
    numexpr: 2.14.1
    numpy: 1.26.4
    OpenMM: 8.4.0
    openvr: 1.26.701
    packaging: 25.0
    ParmEd: 4.2.2
    parso: 0.8.6
    pep517: 0.13.1
    pexpect: 4.9.0
    pickleshare: 0.7.5
    pillow: 11.3.0
    pip: 25.2
    pkginfo: 1.12.1.2
    platformdirs: 4.9.4
    pluggy: 1.6.0
    prompt_toolkit: 3.0.52
    propcache: 0.4.1
    psutil: 7.0.0
    ptyprocess: 0.7.0
    pure_eval: 0.2.3
    py-cpuinfo: 9.0.0
    pybind11: 3.0.1
    pycollada: 0.8
    pydantic: 2.12.5
    pydantic-settings: 2.13.1
    pydantic_core: 2.41.5
    pydata-sphinx-theme: 0.16.1
    pydicom: 2.4.4
    Pygments: 2.18.0
    pynmrstar: 3.5.0
    pynrrd: 1.0.0
    PyOpenGL: 3.1.10
    PyOpenGL-accelerate: 3.1.10
    pyopenxr: 1.1.4501
    pyparsing: 3.3.2
    pyproject_hooks: 1.2.0
    PySide6: 6.10.1
    PySide6_Addons: 6.10.1
    PySide6_Essentials: 6.10.1
    pytest: 9.0.2
    pytest-cov: 7.0.0
    python-dateutil: 2.9.0.post0
    python-dotenv: 1.2.2
    python-multipart: 0.0.22
    pyzmq: 27.1.0
    qtconsole: 5.7.0
    QtPy: 2.4.3
    qtshim: 1.2.1
    RandomWords: 0.4.0
    referencing: 0.37.0
    requests: 2.32.5
    roman-numerals: 4.1.0
    rpds-py: 0.30.0
    scipy: 1.14.0
    setuptools: 80.9.0
    sfftk-rw: 0.8.1
    shiboken6: 6.10.1
    six: 1.17.0
    snowballstemmer: 3.0.1
    sortedcontainers: 2.4.0
    soupsieve: 2.8.3
    Sphinx: 9.0.4
    sphinx-autodoc-typehints: 3.6.1
    sphinxcontrib-applehelp: 2.0.0
    sphinxcontrib-blockdiag: 3.0.0
    sphinxcontrib-devhelp: 2.0.0
    sphinxcontrib-htmlhelp: 2.1.0
    sphinxcontrib-jsmath: 1.0.1
    sphinxcontrib-qthelp: 2.0.0
    sphinxcontrib-serializinghtml: 2.0.0
    sse-starlette: 3.3.2
    stack-data: 0.6.3
    starlette: 0.52.1
    superqt: 0.7.6
    tables: 3.10.2
    tcia_utils: 1.5.1
    tifffile: 2025.3.13
    tinyarray: 1.2.5
    tornado: 6.5.4
    traitlets: 5.14.3
    typing-inspection: 0.4.2
    typing_extensions: 4.15.0
    urllib3: 2.6.3
    uvicorn: 0.41.0
    wcwidth: 0.6.0
    webcolors: 24.11.1
    wheel: 0.45.1
    wheel-filename: 1.4.2
    widgetsnbextension: 4.0.15
    yarl: 1.23.0