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manual/modeling/metas/introduction.rst
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| In *Edit* mode (*Meta Ball* *example*), a meta is drawn as a mesh (either shaded or as black wireframe, | In *Edit* mode (*Meta Ball* *example*), a meta is drawn as a mesh (either shaded or as black wireframe, | ||||
| but without any vertex of course), with two colored circles: a red one for selection (pink when selected), | but without any vertex of course), with two colored circles: a red one for selection (pink when selected), | ||||
| and a green one for a direct control of the meta's stiffness (see `Stiffness`_ - light green when active). | and a green one for a direct control of the meta's stiffness (see :ref:`meta-editing-Stiffness` - light green when active). | ||||
| Note that except for the *Scale* (:kbd:`S`) transformation, | Note that except for the *Scale* (:kbd:`S`) transformation, | ||||
| having the green circle highlighted is equivalent to having the red one. | having the green circle highlighted is equivalent to having the red one. | ||||
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| *Threshold* defines how much a meta's surface "influences" other metas. | *Threshold* defines how much a meta's surface "influences" other metas. | ||||
| It controls the *field level* at which the surface is computed. | It controls the *field level* at which the surface is computed. | ||||
| The setting is global to a group (`Grouping`_) of *Meta* objects. | The setting is global to a group (:title:`Object families`) of *Meta* objects. | ||||
| As the threshold increases, the influence that each meta has on each other increases. | As the threshold increases, the influence that each meta has on each other increases. | ||||
| There are two types of influence: **positive** or **negative**. The type can be toggled on | There are two types of influence: **positive** or **negative**. The type can be toggled on | ||||
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