Multiple movies conflict with each other

[miro.astore@…]

The following bug report has been submitted:
Platform:        Linux-4.18.0-553.33.1.el8_10.x86_64-x86_64-with-glibc2.28
ChimeraX Version: 1.5 (2022-11-24 00:03:27 UTC)
Description
Render two movies at once on the same file system results in a movie file that has frames from both movies merged togehter. This appears to be because they are using the same /tmp/ file directory. Different movie sesssions should work in different temporary directories to avoid this issue. 

Log:
UCSF ChimeraX version: 1.5 (2022-11-24)  
© 2016-2022 Regents of the University of California. All rights reserved.  
How to cite UCSF ChimeraX  




OpenGL version: 3.3.0 NVIDIA 550.135
OpenGL renderer: NVIDIA RTX A6000/PCIe/SSE2
OpenGL vendor: NVIDIA Corporation

Python: 3.9.11
Locale: en_US.UTF-8
Qt version: PyQt6 6.3.1, Qt 6.3.1
Qt runtime version: 6.3.2
Qt platform: xcb

XDG_SESSION_TYPE=x11
DESKTOP_SESSION=gnome
XDG_SESSION_DESKTOP=gnome
XDG_CURRENT_DESKTOP=GNOME
DISPLAY=:1
Manufacturer: Dell Inc.
Model: Precision 7920 Tower
OS: Rocky Linux 8.10 Green Obsidian
Architecture: 64bit ELF
Virtual Machine: none
CPU: 32 Intel(R) Xeon(R) Gold 6234 CPU @ 3.30GHz
Cache Size: 25344 KB
Memory:
	              total        used        free      shared  buff/cache   available
	Mem:          187Gi        52Gi       115Gi       4.2Gi        19Gi       129Gi
	Swap:            0B          0B          0B

Graphics:
	0000:73:00.0 VGA compatible controller [0300]: NVIDIA Corporation GA102GL [RTX A6000] [10de:2230] (rev a1)	
	Subsystem: Dell Device [1028:1459]	
	Kernel driver in use: nvidia

Installed Packages:
    alabaster: 0.7.12
    appdirs: 1.4.4
    asttokens: 2.1.0
    Babel: 2.11.0
    backcall: 0.2.0
    blockdiag: 3.0.0
    build: 0.8.0
    certifi: 2022.9.24
    cftime: 1.6.2
    charset-normalizer: 2.1.1
    ChimeraX-AddCharge: 1.4
    ChimeraX-AddH: 2.2.1
    ChimeraX-AlignmentAlgorithms: 2.0
    ChimeraX-AlignmentHdrs: 3.2.1
    ChimeraX-AlignmentMatrices: 2.0
    ChimeraX-Alignments: 2.6
    ChimeraX-AlphaFold: 1.0
    ChimeraX-AltlocExplorer: 1.0.3
    ChimeraX-AmberInfo: 1.0
    ChimeraX-Arrays: 1.0
    ChimeraX-Atomic: 1.41.5
    ChimeraX-AtomicLibrary: 8.0.3
    ChimeraX-AtomSearch: 2.0.1
    ChimeraX-AxesPlanes: 2.3
    ChimeraX-BasicActions: 1.1.2
    ChimeraX-BILD: 1.0
    ChimeraX-BlastProtein: 2.1.2
    ChimeraX-BondRot: 2.0.1
    ChimeraX-BugReporter: 1.0.1
    ChimeraX-BuildStructure: 2.7.1
    ChimeraX-Bumps: 1.0
    ChimeraX-BundleBuilder: 1.2
    ChimeraX-ButtonPanel: 1.0.1
    ChimeraX-CageBuilder: 1.0.1
    ChimeraX-CellPack: 1.0
    ChimeraX-Centroids: 1.3.1
    ChimeraX-ChangeChains: 1.0.2
    ChimeraX-CheckWaters: 1.3
    ChimeraX-ChemGroup: 2.0
    ChimeraX-Clashes: 2.2.4
    ChimeraX-Clipper: 0.19.0
    ChimeraX-ColorActions: 1.0.3
    ChimeraX-ColorGlobe: 1.0
    ChimeraX-ColorKey: 1.5.2
    ChimeraX-CommandLine: 1.2.4
    ChimeraX-ConnectStructure: 2.0.1
    ChimeraX-Contacts: 1.0.1
    ChimeraX-Core: 1.5
    ChimeraX-CoreFormats: 1.1
    ChimeraX-coulombic: 1.3.2
    ChimeraX-Crosslinks: 1.0
    ChimeraX-Crystal: 1.0
    ChimeraX-CrystalContacts: 1.0.1
    ChimeraX-DataFormats: 1.2.2
    ChimeraX-Dicom: 1.1
    ChimeraX-DistMonitor: 1.3
    ChimeraX-DockPrep: 1.0
    ChimeraX-Dssp: 2.0
    ChimeraX-EMDB-SFF: 1.0
    ChimeraX-ExperimentalCommands: 1.0
    ChimeraX-FileHistory: 1.0.1
    ChimeraX-FunctionKey: 1.0.1
    ChimeraX-Geometry: 1.2
    ChimeraX-gltf: 1.0
    ChimeraX-Graphics: 1.1
    ChimeraX-Hbonds: 2.4
    ChimeraX-Help: 1.2.1
    ChimeraX-HKCage: 1.3
    ChimeraX-IHM: 1.1
    ChimeraX-ImageFormats: 1.2
    ChimeraX-IMOD: 1.0
    ChimeraX-IO: 1.0.1
    ChimeraX-ISOLDE: 1.5
    ChimeraX-ItemsInspection: 1.0.1
    ChimeraX-Label: 1.1.7
    ChimeraX-LinuxSupport: 1.0.1
    ChimeraX-ListInfo: 1.1.1
    ChimeraX-Log: 1.1.5
    ChimeraX-LookingGlass: 1.1
    ChimeraX-Maestro: 1.8.2
    ChimeraX-Map: 1.1.2
    ChimeraX-MapData: 2.0
    ChimeraX-MapEraser: 1.0.1
    ChimeraX-MapFilter: 2.0
    ChimeraX-MapFit: 2.0
    ChimeraX-MapSeries: 2.1.1
    ChimeraX-Markers: 1.0.1
    ChimeraX-Mask: 1.0.1
    ChimeraX-MatchMaker: 2.0.9
    ChimeraX-MDcrds: 2.6
    ChimeraX-MedicalToolbar: 1.0.2
    ChimeraX-Meeting: 1.0.1
    ChimeraX-MLP: 1.1
    ChimeraX-mmCIF: 2.8
    ChimeraX-MMTF: 2.2
    ChimeraX-Modeller: 1.5.6
    ChimeraX-ModelPanel: 1.3.6
    ChimeraX-ModelSeries: 1.0.1
    ChimeraX-Mol2: 2.0
    ChimeraX-Mole: 1.0
    ChimeraX-Morph: 1.0.1
    ChimeraX-MouseModes: 1.1.1
    ChimeraX-Movie: 1.0
    ChimeraX-Neuron: 1.0
    ChimeraX-Nucleotides: 2.0.3
    ChimeraX-OpenCommand: 1.9.1
    ChimeraX-PDB: 2.6.8
    ChimeraX-PDBBio: 1.0
    ChimeraX-PDBLibrary: 1.0.2
    ChimeraX-PDBMatrices: 1.0
    ChimeraX-PickBlobs: 1.0.1
    ChimeraX-Positions: 1.0
    ChimeraX-PresetMgr: 1.1
    ChimeraX-PubChem: 2.1
    ChimeraX-ReadPbonds: 1.0.1
    ChimeraX-Registration: 1.1.1
    ChimeraX-RemoteControl: 1.0
    ChimeraX-RenumberResidues: 1.1
    ChimeraX-ResidueFit: 1.0.1
    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: 2.7.2
    ChimeraX-Shape: 1.0.1
    ChimeraX-Shell: 1.0.1
    ChimeraX-Shortcuts: 1.1.1
    ChimeraX-ShowSequences: 1.0.1
    ChimeraX-SideView: 1.0.1
    ChimeraX-Smiles: 2.1
    ChimeraX-SmoothLines: 1.0
    ChimeraX-SpaceNavigator: 1.0
    ChimeraX-StdCommands: 1.10
    ChimeraX-STL: 1.0
    ChimeraX-Storm: 1.0
    ChimeraX-StructMeasure: 1.1
    ChimeraX-Struts: 1.0.1
    ChimeraX-Surface: 1.0
    ChimeraX-SwapAA: 2.0.1
    ChimeraX-SwapRes: 2.1.3
    ChimeraX-TapeMeasure: 1.0
    ChimeraX-Test: 1.0
    ChimeraX-Toolbar: 1.1.2
    ChimeraX-ToolshedUtils: 1.2.1
    ChimeraX-Tug: 1.0.1
    ChimeraX-UI: 1.24.3
    ChimeraX-uniprot: 2.2.1
    ChimeraX-UnitCell: 1.0.1
    ChimeraX-ViewDockX: 1.1.4
    ChimeraX-VIPERdb: 1.0
    ChimeraX-Vive: 1.1
    ChimeraX-VolumeMenu: 1.0.1
    ChimeraX-VTK: 1.0
    ChimeraX-WavefrontOBJ: 1.0
    ChimeraX-WebCam: 1.0.1
    ChimeraX-WebServices: 1.1.0
    ChimeraX-Zone: 1.0.1
    colorama: 0.4.5
    cxservices: 1.2
    cycler: 0.11.0
    Cython: 0.29.32
    debugpy: 1.6.4
    decorator: 5.1.1
    distro: 1.7.0
    docutils: 0.19
    entrypoints: 0.4
    executing: 1.2.0
    filelock: 3.7.1
    fonttools: 4.38.0
    funcparserlib: 1.0.1
    grako: 3.16.5
    h5py: 3.7.0
    html2text: 2020.1.16
    idna: 3.4
    ihm: 0.33
    imagecodecs: 2022.7.31
    imagesize: 1.4.1
    importlib-metadata: 5.1.0
    ipykernel: 6.15.3
    ipython: 8.4.0
    ipython-genutils: 0.2.0
    jedi: 0.18.1
    Jinja2: 3.1.2
    jupyter-client: 7.3.4
    jupyter-core: 5.1.0
    kiwisolver: 1.4.4
    line-profiler: 3.5.1
    lxml: 4.9.1
    lz4: 4.0.2
    MarkupSafe: 2.1.1
    matplotlib: 3.5.2
    matplotlib-inline: 0.1.6
    msgpack: 1.0.4
    nest-asyncio: 1.5.6
    netCDF4: 1.6.0
    networkx: 2.8.5
    numexpr: 2.8.4
    numpy: 1.23.1
    openvr: 1.23.701
    packaging: 21.3
    ParmEd: 3.4.3
    parso: 0.8.3
    pep517: 0.13.0
    pexpect: 4.8.0
    pickleshare: 0.7.5
    Pillow: 9.2.0
    pip: 23.0
    pkginfo: 1.8.3
    platformdirs: 2.5.4
    prompt-toolkit: 3.0.33
    psutil: 5.9.1
    ptyprocess: 0.7.0
    pure-eval: 0.2.2
    pycollada: 0.7.2
    pydicom: 2.3.0
    Pygments: 2.12.0
    PyOpenGL: 3.1.5
    PyOpenGL-accelerate: 3.1.5
    pyparsing: 3.0.9
    PyQt6-commercial: 6.3.1
    PyQt6-Qt6: 6.3.2
    PyQt6-sip: 13.4.0
    PyQt6-WebEngine-commercial: 6.3.1
    PyQt6-WebEngine-Qt6: 6.3.2
    python-dateutil: 2.8.2
    pytz: 2022.6
    pyzmq: 24.0.1
    qtconsole: 5.3.1
    QtPy: 2.3.0
    RandomWords: 0.4.0
    requests: 2.28.1
    scipy: 1.9.0
    Send2Trash: 1.8.0
    SEQCROW: 1.8.3
    setuptools: 65.1.1
    sfftk-rw: 0.7.2
    six: 1.16.0
    snowballstemmer: 2.2.0
    sortedcontainers: 2.4.0
    Sphinx: 5.1.1
    sphinx-autodoc-typehints: 1.19.1
    sphinxcontrib-applehelp: 1.0.2
    sphinxcontrib-blockdiag: 3.0.0
    sphinxcontrib-devhelp: 1.0.2
    sphinxcontrib-htmlhelp: 2.0.0
    sphinxcontrib-jsmath: 1.0.1
    sphinxcontrib-qthelp: 1.0.3
    sphinxcontrib-serializinghtml: 1.1.5
    stack-data: 0.6.2
    tables: 3.7.0
    tifffile: 2022.7.31
    tinyarray: 1.2.4
    tomli: 2.0.1
    tornado: 6.2
    traitlets: 5.3.0
    urllib3: 1.26.13
    wcwidth: 0.2.5
    webcolors: 1.12
    wheel: 0.37.1
    wheel-filename: 1.4.1
    zipp: 3.11.0

[Tom Goddard]

Fixed.

The ChimeraX movie recording command saves the movie images in tempfile.gettempdir() using the Python tempfile module. On Linux this is probably /tmp although on other operating systems like Mac this is a process specific directory. To avoid two movies using the same image file names ChimeraX adds 4 random characters (alpha-numeric) to the image file names. Unfortunately in your case I guess that the same 4 random characters were used because the Python random number generator seed was not set. I added a line of code to set the Python random number generator seed using the current system time so it is extremely unlikely you will get the same movie image file names. Still it is possible and if you wanted to be sure the image files have separate names you can use the "movie record" command "directory" or "pattern" (image file name prefix) to record your movies simultaneously to different directories or with different file names.