[Bf-docboard-svn] bf-manual: [8772] branches/blender-3.0-release/blender_docs/manual/modeling/geometry_nodes/curve/trim_curve.rst: Geometry Nodes: Add note about normals to the trim curve node

[Hans Goudey]

Revision: 8772
          https://developer.blender.org/rBM8772
Author:   HooglyBoogly
Date:     2021-12-06 16:56:56 +0100 (Mon, 06 Dec 2021)
Log Message:
-----------
Geometry Nodes: Add note about normals to the trim curve node

Modified Paths:
--------------
    branches/blender-3.0-release/blender_docs/manual/modeling/geometry_nodes/curve/trim_curve.rst

Modified: branches/blender-3.0-release/blender_docs/manual/modeling/geometry_nodes/curve/trim_curve.rst
===================================================================
--- branches/blender-3.0-release/blender_docs/manual/modeling/geometry_nodes/curve/trim_curve.rst	2021-12-06 15:46:48 UTC (rev 8771)
+++ branches/blender-3.0-release/blender_docs/manual/modeling/geometry_nodes/curve/trim_curve.rst	2021-12-06 15:56:56 UTC (rev 8772)
@@ -24,8 +24,11 @@
 
 .. note::
 
-   If the *Start* input is larger than the *End*, then the resulting spline
-   will have a single point, located at the sample location of the *Start* value.
+   Since curve :doc:`normals </modeling/geometry_nodes/input/normal>` are calculated the final curve,
+   this node may change the resulting normals when the `Minimum` twist method is used, since the `Minimum`
+   method considers the entire length of the curve to decide the final normals. In some cases the
+   :doc:`/modeling/geometry_nodes/attribute/capture_attribute` could be used to avoid this,
+   by saving the original normals to be used later.
 
 Inputs
 ======
@@ -36,6 +39,11 @@
 Start
    The factor or length used to determine where to start each output spline.
 
+   .. note::
+
+      If the *Start* input is larger than the *End*, then the resulting spline
+      will have a single point, located at the sample location of the *Start* value.
+
 End
    The factor or length used to determine where to end each output spline.