"spacings" is empty

[jrubenstein@…]

The following bug report has been submitted:
Platform:        Windows-10-10.0.19043
ChimeraX Version: 1.4 (2022-06-03 23:39:42 UTC)
Description
Loading Cine stack (Describe the actions that caused this problem to occur here)

Log:
Startup Messages  
---  
note | available bundle cache has not been initialized yet  
  
UCSF ChimeraX version: 1.4 (2022-06-03)  
© 2016-2022 Regents of the University of California. All rights reserved.  
How to cite UCSF ChimeraX  

> open C:/Users/jrubenstein/Desktop/3DFiles/Locksmith_William_J_054Y format
> dicom

Summary of feedback from opening
C:/Users/jrubenstein/Desktop/3DFiles/Locksmith_William_J_054Y  
---  
warnings | Inferring time series from TriggerTime metadata field in series
missing NumberOfTemporalPositions  
Inferring time series from TriggerTime metadata field in series missing
NumberOfTemporalPositions  
Inferring time series from TriggerTime metadata field in series missing
NumberOfTemporalPositions  
Inferring time series from TriggerTime metadata field in series missing
NumberOfTemporalPositions  
Inferring time series from TriggerTime metadata field in series missing
NumberOfTemporalPositions  
7 messages similar to the above omitted  
  
Traceback (most recent call last):  
File "C:\Program Files\ChimeraX 1.4\bin\lib\site-
packages\chimerax\toolbar\tool.py", line 205, in callback  
bundle_info.run_provider(session, name, session.toolbar,
display_name=display_name)  
File "C:\Program Files\ChimeraX 1.4\bin\lib\site-
packages\chimerax\core\toolshed\info.py", line 386, in run_provider  
return api._api_caller.run_provider(api, session, name, mgr, **kw)  
File "C:\Program Files\ChimeraX 1.4\bin\lib\site-
packages\chimerax\core\toolshed\\__init__.py", line 1286, in run_provider  
return cls._get_func(api, "run_provider")(session, name, mgr, **kw)  
File "C:\Program Files\ChimeraX 1.4\bin\lib\site-
packages\chimerax\medical_toolbar\\__init__.py", line 22, in run_provider  
actions.run_provider(session, name)  
File "C:\Program Files\ChimeraX 1.4\bin\lib\site-
packages\chimerax\medical_toolbar\actions.py", line 17, in run_provider  
open_dicom(session)  
File "C:\Program Files\ChimeraX 1.4\bin\lib\site-
packages\chimerax\medical_toolbar\actions.py", line 23, in open_dicom  
show_open_folder_dialog(session)  
File "C:\Program Files\ChimeraX 1.4\bin\lib\site-
packages\chimerax\open_command\dialog.py", line 177, in
show_open_folder_dialog  
_folder_dlg.display(session)  
File "C:\Program Files\ChimeraX 1.4\bin\lib\site-
packages\chimerax\open_command\dialog.py", line 99, in display  
run(session, cmd)  
File "C:\Program Files\ChimeraX 1.4\bin\lib\site-
packages\chimerax\core\commands\run.py", line 38, in run  
results = command.run(text, log=log, return_json=return_json)  
File "C:\Program Files\ChimeraX 1.4\bin\lib\site-
packages\chimerax\core\commands\cli.py", line 2897, in run  
result = ci.function(session, **kw_args)  
File "C:\Program Files\ChimeraX 1.4\bin\lib\site-
packages\chimerax\open_command\cmd.py", line 118, in cmd_open  
models = Command(session, registry=registry).run(provider_cmd_text,
log=log)[0]  
File "C:\Program Files\ChimeraX 1.4\bin\lib\site-
packages\chimerax\core\commands\cli.py", line 2897, in run  
result = ci.function(session, **kw_args)  
File "C:\Program Files\ChimeraX 1.4\bin\lib\site-
packages\chimerax\open_command\cmd.py", line 175, in provider_open  
models, status = collated_open(session, None, paths, data_format, _add_models,
log_errors,  
File "C:\Program Files\ChimeraX 1.4\bin\lib\site-
packages\chimerax\open_command\cmd.py", line 457, in collated_open  
return remember_data_format()  
File "C:\Program Files\ChimeraX 1.4\bin\lib\site-
packages\chimerax\open_command\cmd.py", line 428, in remember_data_format  
models, status = func(*func_args, **func_kw)  
File "C:\Program Files\ChimeraX 1.4\bin\lib\site-
packages\chimerax\dicom\\__init__.py", line 29, in open  
return open_dicom(session, data)  
File "C:\Program Files\ChimeraX 1.4\bin\lib\site-
packages\chimerax\dicom\dicom.py", line 54, in open_dicom  
models, msg = dicom_volumes(session, image_series, **kw)  
File "C:\Program Files\ChimeraX 1.4\bin\lib\site-
packages\chimerax\dicom\dicom.py", line 125, in dicom_volumes  
grids = dicom_grids_from_series(series)  
File "C:\Program Files\ChimeraX 1.4\bin\lib\site-
packages\chimerax\dicom\dicom_grid.py", line 30, in dicom_grids_from_series  
d = DicomData(s)  
File "C:\Program Files\ChimeraX 1.4\bin\lib\site-
packages\chimerax\dicom\dicom_format.py", line 509, in __init__  
self.data_step = series.pixel_spacing()  
File "C:\Program Files\ChimeraX 1.4\bin\lib\site-
packages\chimerax\dicom\dicom_format.py", line 301, in pixel_spacing  
zs = self.z_plane_spacing()  
File "C:\Program Files\ChimeraX 1.4\bin\lib\site-
packages\chimerax\dicom\dicom_format.py", line 342, in z_plane_spacing  
dz = self._spacing(z)  
File "C:\Program Files\ChimeraX 1.4\bin\lib\site-
packages\chimerax\dicom\dicom_format.py", line 348, in _spacing  
dzmin, dzmax = min(spacings), max(spacings)  
ValueError: min() arg is an empty sequence  
  
ValueError: min() arg is an empty sequence  
  
File "C:\Program Files\ChimeraX 1.4\bin\lib\site-
packages\chimerax\dicom\dicom_format.py", line 348, in _spacing  
dzmin, dzmax = min(spacings), max(spacings)  
  
See log for complete Python traceback.  
  




OpenGL version: 3.3.0 - Build 27.20.100.9416
OpenGL renderer: Intel(R) UHD Graphics 630
OpenGL vendor: Intel

Python: 3.9.11
Locale: en_US.cp1252
Qt version: PyQt6 6.3.0, Qt 6.3.0
Qt runtime version: 6.3.0
Qt platform: windows

Manufacturer: HP
Model: HP ProDesk 400 G4 DM (TAA)
OS: Microsoft Windows 10 Enterprise (Build 19043)
Memory: 12,716,085,248
MaxProcessMemory: 137,438,953,344
CPU: 6 Intel(R) Core(TM) i5-8500T CPU @ 2.10GHz
OSLanguage: en-US

Installed Packages:
    alabaster: 0.7.12
    appdirs: 1.4.4
    Babel: 2.10.1
    backcall: 0.2.0
    blockdiag: 3.0.0
    certifi: 2022.5.18.1
    cftime: 1.6.0
    charset-normalizer: 2.0.12
    ChimeraX-AddCharge: 1.2.3
    ChimeraX-AddH: 2.1.11
    ChimeraX-AlignmentAlgorithms: 2.0
    ChimeraX-AlignmentHdrs: 3.2.1
    ChimeraX-AlignmentMatrices: 2.0
    ChimeraX-Alignments: 2.4.3
    ChimeraX-AlphaFold: 1.0
    ChimeraX-AltlocExplorer: 1.0.2
    ChimeraX-AmberInfo: 1.0
    ChimeraX-Arrays: 1.0
    ChimeraX-Atomic: 1.39.1
    ChimeraX-AtomicLibrary: 7.0
    ChimeraX-AtomSearch: 2.0.1
    ChimeraX-AxesPlanes: 2.1
    ChimeraX-BasicActions: 1.1
    ChimeraX-BILD: 1.0
    ChimeraX-BlastProtein: 2.1.1
    ChimeraX-BondRot: 2.0
    ChimeraX-BugReporter: 1.0
    ChimeraX-BuildStructure: 2.7
    ChimeraX-Bumps: 1.0
    ChimeraX-BundleBuilder: 1.1
    ChimeraX-ButtonPanel: 1.0
    ChimeraX-CageBuilder: 1.0
    ChimeraX-CellPack: 1.0
    ChimeraX-Centroids: 1.2
    ChimeraX-ChemGroup: 2.0
    ChimeraX-Clashes: 2.2.4
    ChimeraX-ColorActions: 1.0
    ChimeraX-ColorGlobe: 1.0
    ChimeraX-ColorKey: 1.5.1
    ChimeraX-CommandLine: 1.2.3
    ChimeraX-ConnectStructure: 2.0.1
    ChimeraX-Contacts: 1.0
    ChimeraX-Core: 1.4
    ChimeraX-CoreFormats: 1.1
    ChimeraX-coulombic: 1.3.2
    ChimeraX-Crosslinks: 1.0
    ChimeraX-Crystal: 1.0
    ChimeraX-CrystalContacts: 1.0
    ChimeraX-DataFormats: 1.2.2
    ChimeraX-Dicom: 1.1
    ChimeraX-DistMonitor: 1.1.5
    ChimeraX-Dssp: 2.0
    ChimeraX-EMDB-SFF: 1.0
    ChimeraX-ExperimentalCommands: 1.0
    ChimeraX-FileHistory: 1.0
    ChimeraX-FunctionKey: 1.0
    ChimeraX-Geometry: 1.2
    ChimeraX-gltf: 1.0
    ChimeraX-Graphics: 1.1
    ChimeraX-Hbonds: 2.1.2
    ChimeraX-Help: 1.2
    ChimeraX-HKCage: 1.3
    ChimeraX-IHM: 1.1
    ChimeraX-ImageFormats: 1.2
    ChimeraX-IMOD: 1.0
    ChimeraX-IO: 1.0.1
    ChimeraX-ItemsInspection: 1.0
    ChimeraX-Label: 1.1.1
    ChimeraX-ListInfo: 1.1.1
    ChimeraX-Log: 1.1.5
    ChimeraX-LookingGlass: 1.1
    ChimeraX-Maestro: 1.8.1
    ChimeraX-Map: 1.1
    ChimeraX-MapData: 2.0
    ChimeraX-MapEraser: 1.0
    ChimeraX-MapFilter: 2.0
    ChimeraX-MapFit: 2.0
    ChimeraX-MapSeries: 2.1
    ChimeraX-Markers: 1.0
    ChimeraX-Mask: 1.0
    ChimeraX-MatchMaker: 2.0.6
    ChimeraX-MDcrds: 2.6
    ChimeraX-MedicalToolbar: 1.0.1
    ChimeraX-Meeting: 1.0
    ChimeraX-MLP: 1.1
    ChimeraX-mmCIF: 2.7
    ChimeraX-MMTF: 2.1
    ChimeraX-Modeller: 1.5.5
    ChimeraX-ModelPanel: 1.3.2
    ChimeraX-ModelSeries: 1.0
    ChimeraX-Mol2: 2.0
    ChimeraX-Morph: 1.0
    ChimeraX-MouseModes: 1.1
    ChimeraX-Movie: 1.0
    ChimeraX-Neuron: 1.0
    ChimeraX-Nucleotides: 2.0.2
    ChimeraX-OpenCommand: 1.9
    ChimeraX-PDB: 2.6.6
    ChimeraX-PDBBio: 1.0
    ChimeraX-PDBLibrary: 1.0.2
    ChimeraX-PDBMatrices: 1.0
    ChimeraX-PickBlobs: 1.0
    ChimeraX-Positions: 1.0
    ChimeraX-PresetMgr: 1.1
    ChimeraX-PubChem: 2.1
    ChimeraX-ReadPbonds: 1.0.1
    ChimeraX-Registration: 1.1
    ChimeraX-RemoteControl: 1.0
    ChimeraX-ResidueFit: 1.0
    ChimeraX-RestServer: 1.1
    ChimeraX-RNALayout: 1.0
    ChimeraX-RotamerLibMgr: 2.0.1
    ChimeraX-RotamerLibsDunbrack: 2.0
    ChimeraX-RotamerLibsDynameomics: 2.0
    ChimeraX-RotamerLibsRichardson: 2.0
    ChimeraX-SaveCommand: 1.5.1
    ChimeraX-SchemeMgr: 1.0
    ChimeraX-SDF: 2.0
    ChimeraX-Segger: 1.0
    ChimeraX-Segment: 1.0
    ChimeraX-SelInspector: 1.0
    ChimeraX-SeqView: 2.6
    ChimeraX-Shape: 1.0.1
    ChimeraX-Shell: 1.0
    ChimeraX-Shortcuts: 1.1
    ChimeraX-ShowAttr: 1.0
    ChimeraX-ShowSequences: 1.0
    ChimeraX-SideView: 1.0
    ChimeraX-Smiles: 2.1
    ChimeraX-SmoothLines: 1.0
    ChimeraX-SpaceNavigator: 1.0
    ChimeraX-StdCommands: 1.8
    ChimeraX-STL: 1.0
    ChimeraX-Storm: 1.0
    ChimeraX-StructMeasure: 1.0.1
    ChimeraX-Struts: 1.0.1
    ChimeraX-Surface: 1.0
    ChimeraX-SwapAA: 2.0
    ChimeraX-SwapRes: 2.1.1
    ChimeraX-TapeMeasure: 1.0
    ChimeraX-Test: 1.0
    ChimeraX-Toolbar: 1.1.1
    ChimeraX-ToolshedUtils: 1.2.1
    ChimeraX-Tug: 1.0
    ChimeraX-UI: 1.18.3
    ChimeraX-uniprot: 2.2
    ChimeraX-UnitCell: 1.0
    ChimeraX-ViewDockX: 1.1.2
    ChimeraX-VIPERdb: 1.0
    ChimeraX-Vive: 1.1
    ChimeraX-VolumeMenu: 1.0
    ChimeraX-VTK: 1.0
    ChimeraX-WavefrontOBJ: 1.0
    ChimeraX-WebCam: 1.0
    ChimeraX-WebServices: 1.1.0
    ChimeraX-Zone: 1.0
    colorama: 0.4.4
    comtypes: 1.1.10
    cxservices: 1.2
    cycler: 0.11.0
    Cython: 0.29.26
    debugpy: 1.6.0
    decorator: 5.1.1
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    entrypoints: 0.4
    filelock: 3.4.2
    fonttools: 4.33.3
    funcparserlib: 1.0.0
    grako: 3.16.5
    h5py: 3.7.0
    html2text: 2020.1.16
    idna: 3.3
    ihm: 0.27
    imagecodecs: 2021.11.20
    imagesize: 1.3.0
    ipykernel: 6.6.1
    ipython: 7.31.1
    ipython-genutils: 0.2.0
    jedi: 0.18.1
    Jinja2: 3.0.3
    jupyter-client: 7.1.0
    jupyter-core: 4.10.0
    kiwisolver: 1.4.2
    line-profiler: 3.4.0
    lxml: 4.7.1
    lz4: 3.1.10
    MarkupSafe: 2.1.1
    matplotlib: 3.5.1
    matplotlib-inline: 0.1.3
    msgpack: 1.0.3
    nest-asyncio: 1.5.5
    netCDF4: 1.5.8
    networkx: 2.6.3
    numexpr: 2.8.1
    numpy: 1.22.1
    openvr: 1.16.802
    packaging: 21.3
    ParmEd: 3.4.3
    parso: 0.8.3
    pickleshare: 0.7.5
    Pillow: 9.0.1
    pip: 21.3.1
    pkginfo: 1.8.2
    prompt-toolkit: 3.0.29
    psutil: 5.9.0
    pycollada: 0.7.2
    pydicom: 2.2.2
    Pygments: 2.11.2
    PyOpenGL: 3.1.5
    PyOpenGL-accelerate: 3.1.5
    pyparsing: 3.0.9
    PyQt6-commercial: 6.3.0
    PyQt6-Qt6: 6.3.0
    PyQt6-sip: 13.3.1
    PyQt6-WebEngine-commercial: 6.3.0
    PyQt6-WebEngine-Qt6: 6.3.0
    python-dateutil: 2.8.2
    pytz: 2022.1
    pywin32: 303
    pyzmq: 23.1.0
    qtconsole: 5.3.0
    QtPy: 2.1.0
    RandomWords: 0.3.0
    requests: 2.27.1
    scipy: 1.7.3
    setuptools: 59.8.0
    sfftk-rw: 0.7.2
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    sortedcontainers: 2.4.0
    Sphinx: 4.3.2
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    sphinxcontrib-devhelp: 1.0.2
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    sphinxcontrib-qthelp: 1.0.3
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    suds-community: 1.0.0
    tables: 3.7.0
    tifffile: 2021.11.2
    tinyarray: 1.2.4
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    traitlets: 5.1.1
    urllib3: 1.26.9
    wcwidth: 0.2.5
    webcolors: 1.11.1
    wheel: 0.37.1
    wheel-filename: 1.3.0
    WMI: 1.5.1

[Eric Pettersen]

Reported by Jason Rubenstein

[Zach Pearson]

Could we get a copy of the data for debugging?