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rB67e23b4b2967 revealed the bug. But the bug already existed before, it just wasn't triggered. Apparently the problem happens because the python code generated in `initGuiding()` cannot be executed twice. The second time the `initGuiding()` code is executed, the local python variables are removed to make way for the others, but the reference to one of the grids in a `Solver` object (name='solver_guiding2') is still being used somewhere. So an error is raised and a crash is forced. The solution is to prevent the python code in `initGuiding()` from being executed twice. When `FLUID_DOMAIN_ACTIVE_GUIDE` is in `fds->active_fields` this indicates that the pointer in `mPhiGuideIn` has been set and the guiding is already computed (does not need to be computed again). Maniphest Tasks: T102257 Differential Revision: https://developer.blender.org/D16416
.. 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 General 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.