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The `Toolbar` and `Sidebar` hide the corresponding panel `VIEW3D_PT_sculpt_dyntopo` by polling for context.sculpt_object and context.tool_settings.sculpt. In the Active Tool in the Properties Editor this poll does not return False though, thus the sample_detail_size is possible from there. Second security check (the operator poll `SCULPT_mode_poll`) checks the active object -- that is still valid even if hidden, so we are allowed to execute the operator. However the active object becomes NULL once the area is switched in `sample_detail()` -- see `CTX_wm_area_set`), leading to the crash. Dont think there is a quick and easy way to do this in the poll from the Properties Editor, so just check for a valid active abject in the operator and return OPERATOR_CANCELLED if we dont have it. Maniphest Tasks: T77047 Differential Revision: https://developer.blender.org/D7832
.. Keep this document short & concise, linking to external resources instead of including content in-line. See 'release/text/readme.html' for the end user read-me. Blender ======= Blender is the free and open source 3D creation suite. It supports the entirety of the 3D pipeline-modeling, rigging, animation, simulation, rendering, compositing, motion tracking and video editing. .. figure:: https://code.blender.org/wp-content/uploads/2018/12/springrg.jpg :scale: 50 % :align: center Project Pages ------------- - `Main Website <http://www.blender.org>`__ - `Reference Manual <https://docs.blender.org/manual/en/latest/index.html>`__ - `User Community <https://www.blender.org/community/>`__ Development ----------- - `Build Instructions <https://wiki.blender.org/wiki/Building_Blender>`__ - `Code Review & Bug Tracker <https://developer.blender.org>`__ - `Developer Forum <https://devtalk.blender.org>`__ - `Developer Documentation <https://wiki.blender.org>`__ License ------- Blender as a whole is licensed under the GNU Public License, Version 3. Individual files may have a different, but compatible license. See `blender.org/about/license <https://www.blender.org/about/license>`__ for details.