UV: Document pack islands features and new ui #104468

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Chris Blackbourn wants to merge 63 commits from Chris_Blackbourn/blender-manual:uv_pack_islands into blender-v3.6-release

When changing the target branch, be careful to rebase the branch in your fork to match. See documentation.
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@ -1,6 +1,5 @@
.. DO NOT EDIT THIS FILE, GENERATED BY 'blender_help_extract.py' .. DO NOT EDIT THIS FILE, GENERATED BY 'blender_help_extract.py'
CHANGES TO THIS FILE MUST BE MADE IN BLENDER'S SOURCE CODE, SEE: CHANGES TO THIS FILE MUST BE MADE IN BLENDER'S SOURCE CODE, SEE:
https://projects.blender.org/blender/blender/src/branch/main/source/creator/creator_args.c https://projects.blender.org/blender/blender/src/branch/main/source/creator/creator_args.c
@ -10,11 +9,9 @@
Command Line Arguments Command Line Arguments
********************** **********************
Blender |BLENDER_VERSION| Blender |BLENDER_VERSION|
Usage: blender [args ...] [file] [args ...] Usage: blender [args ...] [file] [args ...]
.. _command-line-args-render-options: .. _command-line-args-render-options:
Render Options Render Options
@ -22,10 +19,13 @@ Render Options
``-b``, ``--background`` ``-b``, ``--background``
Run in background (often used for UI-less rendering). Run in background (often used for UI-less rendering).
``-a``, ``--render-anim`` ``-a``, ``--render-anim``
Render frames from start to end (inclusive). Render frames from start to end (inclusive).
``-S``, ``--scene`` ``<name>`` ``-S``, ``--scene`` ``<name>``
Set the active scene ``<name>`` for rendering. Set the active scene ``<name>`` for rendering.
``-f``, ``--render-frame`` ``<frame>`` ``-f``, ``--render-frame`` ``<frame>``
Render frame ``<frame>`` and save it. Render frame ``<frame>`` and save it.
@ -33,12 +33,16 @@ Render Options
* A comma separated list of frames can also be used (no spaces). * A comma separated list of frames can also be used (no spaces).
* A range of frames can be expressed using ``..`` separator between the first and last frames (inclusive). * A range of frames can be expressed using ``..`` separator between the first and last frames (inclusive).
``-s``, ``--frame-start`` ``<frame>`` ``-s``, ``--frame-start`` ``<frame>``
Set start to frame ``<frame>``, supports +/- for relative frames too. Set start to frame ``<frame>``, supports +/- for relative frames too.
``-e``, ``--frame-end`` ``<frame>`` ``-e``, ``--frame-end`` ``<frame>``
Set end to frame ``<frame>``, supports +/- for relative frames too. Set end to frame ``<frame>``, supports +/- for relative frames too.
``-j``, ``--frame-jump`` ``<frames>`` ``-j``, ``--frame-jump`` ``<frames>``
Set number of frames to step forward after each rendered frame. Set number of frames to step forward after each rendered frame.
``-o``, ``--render-output`` ``<path>`` ``-o``, ``--render-output`` ``<path>``
Set the render path and file name. Set the render path and file name.
Use ``//`` at the start of the path to render relative to the blend-file. Use ``//`` at the start of the path to render relative to the blend-file.
@ -57,14 +61,15 @@ Render Options
blender -b animation.blend -o //render_ -F PNG -x 1 -a blender -b animation.blend -o //render_ -F PNG -x 1 -a
``//render_`` becomes ``//render_####``, writing frames as ``//render_0001.png`` ``//render_`` becomes ``//render_####``, writing frames as ``//render_0001.png``
``-E``, ``--engine`` ``<engine>`` ``-E``, ``--engine`` ``<engine>``
Specify the render engine. Specify the render engine.
Use ``-E help`` to list available engines. Use ``-E help`` to list available engines.
``-t``, ``--threads`` ``<threads>`` ``-t``, ``--threads`` ``<threads>``
Use amount of ``<threads>`` for rendering and other operations Use amount of ``<threads>`` for rendering and other operations
[1-1024], 0 for systems processor count. [1-1024], 0 for systems processor count.
.. _command-line-args-cycles-render-options: .. _command-line-args-cycles-render-options:
Cycles Render Options Cycles Render Options
@ -72,8 +77,9 @@ Cycles Render Options
Cycles add-on options must be specified following a double dash. Cycles add-on options must be specified following a double dash.
--cycles-device OPTIX ``--cycles-device`` ``<device>``
Set the device used for rendering. Options: CPU, CUDA, OPTIX, HIP, ONEAPI, METAL. Set the device used for rendering.
Valid options are: ``CPU`` ``CUDA`` ``OPTIX`` ``HIP`` ``ONEAPI`` ``METAL``.
Append +CPU to a GPU device to render on both CPU and GPU. Append +CPU to a GPU device to render on both CPU and GPU.
@ -83,10 +89,9 @@ Cycles add-on options must be specified following a double dash.
blender -b file.blend -f 20 -- --cycles-device OPTIX blender -b file.blend -f 20 -- --cycles-device OPTIX
--cycles-print-stats ``--cycles-print-stats``
Log statistics about render memory and time usage. Log statistics about render memory and time usage.
.. _command-line-args-format-options: .. _command-line-args-format-options:
Format Options Format Options
@ -95,10 +100,11 @@ Format Options
``-F``, ``--render-format`` ``<format>`` ``-F``, ``--render-format`` ``<format>``
Set the render format. Set the render format.
Valid options are: Valid options are:
``TGA`` ``RAWTGA`` ``JPEG`` ``IRIS`` ``IRIZ`` ``AVIRAW`` ``AVIJPEG`` ``PNG`` ``BMP`` ``TGA`` ``RAWTGA`` ``JPEG`` ``IRIS`` ``IRIZ`` ``AVIRAW`` ``AVIJPEG`` ``PNG`` ``BMP``.
Formats that can be compiled into Blender, not available on all systems: Formats that can be compiled into Blender, not available on all systems:
``HDR`` ``TIFF`` ``OPEN_EXR`` ``OPEN_EXR_MULTILAYER`` ``MPEG`` ``CINEON`` ``DPX`` ``DDS`` ``JP2`` ``WEBP`` ``HDR`` ``TIFF`` ``OPEN_EXR`` ``OPEN_EXR_MULTILAYER`` ``MPEG`` ``CINEON`` ``DPX`` ``DDS`` ``JP2`` ``WEBP``.
``-x``, ``--use-extension`` ``<bool>`` ``-x``, ``--use-extension`` ``<bool>``
Set option to add the file extension to the end of the file. Set option to add the file extension to the end of the file.
@ -118,7 +124,7 @@ Animation Playback Options
Open with lower left corner at ``<sx>``, ``<sy>``. Open with lower left corner at ``<sx>``, ``<sy>``.
``-m`` ``-m``
Read from disk (Do not buffer). Read from disk (Do not buffer).
``-f`` ``<fps>`` ``<fps-base>`` ``-f`` ``<fps>`` ``<fps_base>``
Specify FPS to start with. Specify FPS to start with.
``-j`` ``<frame>`` ``-j`` ``<frame>``
Set frame step to ``<frame>``. Set frame step to ``<frame>``.
@ -138,16 +144,22 @@ Window Options
``-w``, ``--window-border`` ``-w``, ``--window-border``
Force opening with borders. Force opening with borders.
``-W``, ``--window-fullscreen`` ``-W``, ``--window-fullscreen``
Force opening in fullscreen mode. Force opening in fullscreen mode.
``-p``, ``--window-geometry`` ``<sx>`` ``<sy>`` ``<w>`` ``<h>`` ``-p``, ``--window-geometry`` ``<sx>`` ``<sy>`` ``<w>`` ``<h>``
Open with lower left corner at ``<sx>``, ``<sy>`` and width and height as ``<w>``, ``<h>``. Open with lower left corner at ``<sx>``, ``<sy>`` and width and height as ``<w>``, ``<h>``.
``-M``, ``--window-maximized`` ``-M``, ``--window-maximized``
Force opening maximized. Force opening maximized.
``-con``, ``--start-console`` ``-con``, ``--start-console``
Start with the console window open (ignored if ``-b`` is set), (Windows only). Start with the console window open (ignored if ``-b`` is set), (Windows only).
``--no-native-pixels`` ``--no-native-pixels``
Do not use native pixel size, for high resolution displays (MacBook ``Retina``). Do not use native pixel size, for high resolution displays (MacBook ``Retina``).
``--no-window-focus`` ``--no-window-focus``
Open behind other windows and without taking focus. Open behind other windows and without taking focus.
@ -158,23 +170,31 @@ Python Options
============== ==============
``-y``, ``--enable-autoexec`` ``-y``, ``--enable-autoexec``
Enable automatic Python script execution (default). Enable automatic Python script execution.
``-Y``, ``--disable-autoexec`` ``-Y``, ``--disable-autoexec``
Disable automatic Python script execution (pydrivers & startup scripts). Disable automatic Python script execution (pydrivers & startup scripts), (default).
``-P``, ``--python`` ``<filepath>`` ``-P``, ``--python`` ``<filepath>``
Run the given Python script file. Run the given Python script file.
``--python-text`` ``<name>`` ``--python-text`` ``<name>``
Run the given Python script text block. Run the given Python script text block.
``--python-expr`` ``<expression>`` ``--python-expr`` ``<expression>``
Run the given expression as a Python script. Run the given expression as a Python script.
``--python-console`` ``--python-console``
Run Blender with an interactive console. Run Blender with an interactive console.
``--python-exit-code`` ``<code>`` ``--python-exit-code`` ``<code>``
Set the exit-code in [0..255] to exit if a Python exception is raised Set the exit-code in [0..255] to exit if a Python exception is raised
(only for scripts executed from the command line), zero disables. (only for scripts executed from the command line), zero disables.
``--python-use-system-env`` ``--python-use-system-env``
Allow Python to use system environment variables such as ``PYTHONPATH`` and the user site-packages directory. Allow Python to use system environment variables such as ``PYTHONPATH`` and the user site-packages directory.
``--addons`` ``<addon(s)>`` ``--addons`` ``<addon(s)>``
Comma separated list (no spaces) of add-ons to enable in addition to any default add-ons. Comma separated list (no spaces) of add-ons to enable in addition to any default add-ons.
@ -192,15 +212,20 @@ Logging Options
so ``--log "*undo*"`` logs every kind of undo-related message. so ``--log "*undo*"`` logs every kind of undo-related message.
Use "^" prefix to ignore, so ``--log "*,^wm.operator.*"`` logs all except for ``wm.operators.*`` Use "^" prefix to ignore, so ``--log "*,^wm.operator.*"`` logs all except for ``wm.operators.*``
Use "*" to log everything. Use "*" to log everything.
``--log-level`` ``<level>`` ``--log-level`` ``<level>``
Set the logging verbosity level (higher for more details) defaults to 1, Set the logging verbosity level (higher for more details) defaults to 1,
use -1 to log all levels. use -1 to log all levels.
``--log-show-basename`` ``--log-show-basename``
Only show file name in output (not the leading path). Only show file name in output (not the leading path).
``--log-show-backtrace`` ``--log-show-backtrace``
Show a back trace for each log message (debug builds only). Show a back trace for each log message (debug builds only).
``--log-show-timestamp`` ``--log-show-timestamp``
Show a timestamp for each log message in seconds since start. Show a timestamp for each log message in seconds since start.
``--log-file`` ``<filepath>`` ``--log-file`` ``<filepath>``
Set a file to output the log to. Set a file to output the log to.
@ -216,75 +241,109 @@ Debug Options
* Enables memory error detection * Enables memory error detection
* Disables mouse grab (to interact with a debugger in some cases) * Disables mouse grab (to interact with a debugger in some cases)
* Keeps Python's ``sys.stdin`` rather than setting it to None * Keeps Python's ``sys.stdin`` rather than setting it to None
``--debug-value`` ``<value>`` ``--debug-value`` ``<value>``
Set debug value of ``<value>`` on startup. Set debug value of ``<value>`` on startup.
``--debug-events`` ``--debug-events``
Enable debug messages for the event system. Enable debug messages for the event system.
``--debug-ffmpeg`` ``--debug-ffmpeg``
Enable debug messages from FFmpeg library. Enable debug messages from FFmpeg library.
``--debug-handlers`` ``--debug-handlers``
Enable debug messages for event handling. Enable debug messages for event handling.
``--debug-libmv`` ``--debug-libmv``
Enable debug messages from libmv library. Enable debug messages from libmv library.
``--debug-cycles`` ``--debug-cycles``
Enable debug messages from Cycles. Enable debug messages from Cycles.
``--debug-memory`` ``--debug-memory``
Enable fully guarded memory allocation and debugging. Enable fully guarded memory allocation and debugging.
``--debug-jobs`` ``--debug-jobs``
Enable time profiling for background jobs. Enable time profiling for background jobs.
``--debug-python`` ``--debug-python``
Enable debug messages for Python. Enable debug messages for Python.
``--debug-depsgraph`` ``--debug-depsgraph``
Enable all debug messages from dependency graph. Enable all debug messages from dependency graph.
``--debug-depsgraph-eval`` ``--debug-depsgraph-eval``
Enable debug messages from dependency graph related on evaluation. Enable debug messages from dependency graph related on evaluation.
``--debug-depsgraph-build`` ``--debug-depsgraph-build``
Enable debug messages from dependency graph related on graph construction. Enable debug messages from dependency graph related on graph construction.
``--debug-depsgraph-tag`` ``--debug-depsgraph-tag``
Enable debug messages from dependency graph related on tagging. Enable debug messages from dependency graph related on tagging.
``--debug-depsgraph-no-threads`` ``--debug-depsgraph-no-threads``
Switch dependency graph to a single threaded evaluation. Switch dependency graph to a single threaded evaluation.
``--debug-depsgraph-time`` ``--debug-depsgraph-time``
Enable debug messages from dependency graph related on timing. Enable debug messages from dependency graph related on timing.
``--debug-depsgraph-pretty`` ``--debug-depsgraph-pretty``
Enable colors for dependency graph debug messages. Enable colors for dependency graph debug messages.
``--debug-depsgraph-uuid`` ``--debug-depsgraph-uuid``
Verify validness of session-wide identifiers assigned to ID datablocks. Verify validness of session-wide identifiers assigned to ID datablocks.
``--debug-ghost`` ``--debug-ghost``
Enable debug messages for Ghost (Linux only). Enable debug messages for Ghost (Linux only).
``--debug-wintab`` ``--debug-wintab``
Enable debug messages for Wintab. Enable debug messages for Wintab.
``--debug-gpu`` ``--debug-gpu``
Enable GPU debug context and information for OpenGL 4.3+. Enable GPU debug context and information for OpenGL 4.3+.
``--debug-gpu-force-workarounds`` ``--debug-gpu-force-workarounds``
Enable workarounds for typical GPU issues and disable all GPU extensions. Enable workarounds for typical GPU issues and disable all GPU extensions.
``--debug-gpu-disable-ssbo`` ``--debug-gpu-disable-ssbo``
Disable usage of shader storage buffer objects. Disable usage of shader storage buffer objects.
``--debug-gpu-renderdoc`` ``--debug-gpu-renderdoc``
Enable Renderdoc integration for GPU frame grabbing and debugging. Enable Renderdoc integration for GPU frame grabbing and debugging.
``--debug-wm`` ``--debug-wm``
Enable debug messages for the window manager, shows all operators in search, shows keymap errors. Enable debug messages for the window manager, shows all operators in search, shows keymap errors.
``--debug-xr`` ``--debug-xr``
Enable debug messages for virtual reality contexts. Enable debug messages for virtual reality contexts.
Enables the OpenXR API validation layer, (OpenXR) debug messages and general information prints. Enables the OpenXR API validation layer, (OpenXR) debug messages and general information prints.
``--debug-xr-time`` ``--debug-xr-time``
Enable debug messages for virtual reality frame rendering times. Enable debug messages for virtual reality frame rendering times.
``--debug-all`` ``--debug-all``
Enable all debug messages. Enable all debug messages.
``--debug-io`` ``--debug-io``
Enable debug messages for I/O (Collada, ...). Enable debug messages for I/O (Collada, ...).
``--debug-fpe`` ``--debug-fpe``
Enable floating-point exceptions. Enable floating-point exceptions.
``--debug-exit-on-error`` ``--debug-exit-on-error``
Immediately exit when internal errors are detected. Immediately exit when internal errors are detected.
``--debug-freestyle`` ``--debug-freestyle``
Enable debug messages for Freestyle. Enable debug messages for Freestyle.
``--disable-crash-handler`` ``--disable-crash-handler``
Disable the crash handler. Disable the crash handler.
``--disable-abort-handler`` ``--disable-abort-handler``
Disable the abort handler. Disable the abort handler.
``--verbose`` ``<verbose>`` ``--verbose`` ``<verbose>``
Set the logging verbosity level for debug messages that support it. Set the logging verbosity level for debug messages that support it.
@ -305,51 +364,60 @@ Misc Options
``--open-last`` ``--open-last``
Open the most recently opened blend file, instead of the default startup file. Open the most recently opened blend file, instead of the default startup file.
``--app-template`` ``<template>`` ``--app-template`` ``<template>``
Set the application template (matching the directory name), use ``default`` for none. Set the application template (matching the directory name), use ``default`` for none.
``--factory-startup`` ``--factory-startup``
Skip reading the startup.blend in the users home directory. Skip reading the ``startup.blend`` in the users home directory.
``--enable-event-simulate`` ``--enable-event-simulate``
Enable event simulation testing feature ``bpy.types.Window.event_simulate``. Enable event simulation testing feature ``bpy.types.Window.event_simulate``.
``--env-system-datafiles`` ``--env-system-datafiles``
Set the ``BLENDER_SYSTEM_DATAFILES`` environment variable. Set the ``BLENDER_SYSTEM_DATAFILES`` environment variable.
``--env-system-scripts`` ``--env-system-scripts``
Set the ``BLENDER_SYSTEM_SCRIPTS`` environment variable. Set the ``BLENDER_SYSTEM_SCRIPTS`` environment variable.
``--env-system-python`` ``--env-system-python``
Set the ``BLENDER_SYSTEM_PYTHON`` environment variable. Set the ``BLENDER_SYSTEM_PYTHON`` environment variable.
``-noaudio`` ``-noaudio``
Force sound system to None. Force sound system to None.
``-setaudio`` ``-setaudio``
Force sound system to a specific device. Force sound system to a specific device.
``None`` ``SDL`` ``OpenAL`` ``CoreAudio`` ``JACK`` ``PulseAudio`` ``WASAPI``. ``None`` ``SDL`` ``OpenAL`` ``CoreAudio`` ``JACK`` ``PulseAudio`` ``WASAPI``.
``-h``, ``--help`` ``-h``, ``--help``
Print this help text and exit. Print this help text and exit.
``/?`` ``/?``
Print this help text and exit (Windows only). Print this help text and exit (Windows only).
``-r``, ``--register`` ``-r``, ``--register``
Register blend-file extension for current user, then exit (Windows only). Register blend-file extension for current user, then exit (Windows only).
``--register-allusers`` ``--register-allusers``
Register blend-file extension for all users, then exit (Windows only). Register blend-file extension for all users, then exit (Windows only).
``--unregister`` ``--unregister``
Unregister blend-file extension for current user, then exit (Windows only). Unregister blend-file extension for current user, then exit (Windows only).
``--unregister-allusers`` ``--unregister-allusers``
Unregister blend-file extension for all users, then exit (Windows only). Unregister blend-file extension for all users, then exit (Windows only).
``-v``, ``--version`` ``-v``, ``--version``
Print Blender version and exit. Print Blender version and exit.
``--`` ``--``
End option processing, following arguments passed unchanged. Access via Python's ``sys.argv``. End option processing, following arguments passed unchanged. Access via Python's ``sys.argv``.
.. _command-line-args-other-options:
Other Options
=============
.. _command-line-args-argument-parsing: .. _command-line-args-argument-parsing:
Argument Parsing Argument Parsing
@ -363,7 +431,6 @@ Arguments must be separated by white space, eg:
...will exit since ``-ba`` is an unknown argument. ...will exit since ``-ba`` is an unknown argument.
.. _command-line-args-argument-order: .. _command-line-args-argument-order:
Argument Order Argument Order
@ -373,7 +440,7 @@ Arguments are executed in the order they are given. eg:
.. code-block:: sh .. code-block:: sh
blender --background test.blend --render-frame 1 --render-output '/tmp' blender --background test.blend --render-frame 1 --render-output "/tmp"
...will not render to ``/tmp`` because ``--render-frame 1`` renders before the output path is set. ...will not render to ``/tmp`` because ``--render-frame 1`` renders before the output path is set.
@ -389,7 +456,6 @@ Arguments are executed in the order they are given. eg:
...works as expected. ...works as expected.
.. _command-line-args-environment-variables: .. _command-line-args-environment-variables:
Environment Variables Environment Variables