Differences

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--- blender [2023/10/31 23:05] – [Terms] jhagstrand
+++ blender [2023/11/01 00:30] (current) – [Terms] jhagstrand
@@ Line 224: / Line 224: @@
 ^ noun       ^ applies to ^ terms ^ changes what ^
-| navigation | world | pan, roll, zoom | my point of view |
+| navigation | world | pan, roll, orbit, zoom | my point of view |
 | transformation | object or selection | move, rotate, scale | the model |
@@ Line 234: / Line 234: @@
 [[https://docs.blender.org/manual/en/latest/editors/3dview/display/gizmo.html | Gizmo]]
   * Navigation Gizmo - applies to the world.  Found in upper-right of viewport.
-  * Transformation Gizmo - applies to object or selection.  Appears at the pivot point.
+  * Transformation Gizmo - applies to object or selection.  Appears at the pivot point, aligned with the transform orientation.
 pivot point -
-pivot point
   * for one object, or for a selection of objects, or in edit mode for a group of selected vertices
   * determines the locaion of the "object gizmo", and thus is the center of transformations
@@ Line 246: / Line 245: @@
     * center of geometry
-gimbal
+normal - the line perpendicular to a face.
-normal - the direction of a face.
 origin -
   * world origin - the point at world coordinates 0,0,0.  Constant.
-  * object origin - (aka local origin or origin point) - by default is the bounding box center of the object.
+  * local origin - average center of all selected objects of vertices.
+  * object origin - local origin of a single selected object.  By default is the bounding box center of the object.  Can be moved by setting it to the 3D cursor.
 D Cursor - a singleton object with location and rotation.  By default it is at the world origin.
@@ Line 258: / Line 256: @@
  It defines where newly added objects are placed.  It can be used to manually position and orient the transform gizmo.
-transform orientation
+transform orientation - the orientation of the Object Gizmo.  Can be selected from the 3D Viewport Header menu.
+  * global - aligned with the world space
+  * local - aligned with the active object's orientation
+  * normal - fancy. normally equivalent to local.
+  * gimbal - fancy.  Involving Euler math.
+  * view - aligned with your viewpoint as you orbit.
+  * cursor - aligned with the 3D cursor.
+  * parent - aligned with the parent.
+rotation mode - fancy.  involving Euler math.
-rotation mode
+Note: object origin vs pivot point vs transform gizmo
+  * A transformation requires a pivot point and a transform orientation.
+  * if a single object is selected, the pivot point is the object origin.  The object origin is by default the bounding box center, but it can be moved using the 3D cursor.
+  * If multiple objects or vertices are selected, the pivot point is at the average point of the selected objects.
+  * The transform orientation can be selected on the 3D viewport header, see above.
+  * The transform gizmo visualizes the pivot point and the transform orientation.
 ==== How to navigate ====