[Bf-docboard-svn] bf-manual: [8886] trunk/blender_docs/manual: Geometry Nodes: Flip Faces Node

[Hans Goudey]

Revision: 8886
          https://developer.blender.org/rBM8886
Author:   HooglyBoogly
Date:     2022-01-26 21:53:22 +0100 (Wed, 26 Jan 2022)
Log Message:
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Geometry Nodes: Flip Faces Node

rBc39d514a4eacd4a883775a3fcd8b5a7d8e8e52cc

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    trunk/blender_docs/manual/modeling/geometry_nodes/mesh/index.rst

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    trunk/blender_docs/manual/images/modeling_geometry-nodes_flip-faces_node.png
    trunk/blender_docs/manual/modeling/geometry_nodes/mesh/flip_faces.rst

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Index: trunk/blender_docs/manual/images/modeling_geometry-nodes_flip-faces_node.png
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--- trunk/blender_docs/manual/images/modeling_geometry-nodes_flip-faces_node.png	2022-01-26 20:52:59 UTC (rev 8885)
+++ trunk/blender_docs/manual/images/modeling_geometry-nodes_flip-faces_node.png	2022-01-26 20:53:22 UTC (rev 8886)

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--- trunk/blender_docs/manual/modeling/geometry_nodes/mesh/flip_faces.rst	                        (rev 0)
+++ trunk/blender_docs/manual/modeling/geometry_nodes/mesh/flip_faces.rst	2022-01-26 20:53:22 UTC (rev 8886)
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+.. index:: Geometry Nodes; Flip Faces
+.. _bpy.types.GeometryNodeFlipFaces:
+
+***************
+Flip Faces Node
+***************
+
+.. figure:: /images/modeling_geometry-nodes_flip-faces_node.png
+   :align: right
+
+   The Flip Faces node.
+
+The *Flip Faces Node* reverses the order of the vertices and edges of each selected face.
+The most common use of this node is to flip the normals of a face.
+Any :ref:`face corner domain <attribute-domains>` attributes of selected faces are also reversed.
+
+Though this node is usually used to affect normals, it is not called "Flip Normals" for an important reason.
+The node does not actually interact with normals directly. Normals are defined by the 
+`right hande rule <https://en.wikipedia.org/wiki/Right-hand_rule#Curve_orientation_and_normal_vectors>`__,
+so if a face's vertex list is reversed, then its normal will point in the opposite direction.
+
+
+Inputs
+======
+
+Mesh
+   Standard geometry input.
+
+Selection
+   Whether to flip the direction of each face.
+   True values mean the face will be flipped, false means the face will be unaffected.
+
+
+Properties
+==========
+
+This node has no properties.
+
+
+Output
+======
+
+Mesh
+   Standard geometry output.
+
+


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--- trunk/blender_docs/manual/modeling/geometry_nodes/mesh/index.rst	2022-01-26 20:52:59 UTC (rev 8885)
+++ trunk/blender_docs/manual/modeling/geometry_nodes/mesh/index.rst	2022-01-26 20:53:22 UTC (rev 8886)
@@ -9,6 +9,7 @@
    :maxdepth: 1
 
    dual_mesh.rst
+   flip_faces.rst
    mesh_boolean.rst
    mesh_to_curve.rst
    mesh_to_points.rst