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blender [2023/10/31 22:31] – [Terms] jhagstrandblender [2023/11/01 00:30] (current) – [Terms] jhagstrand
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-=====3D Modeling=====+===== 3D Modeling =====
  
 [[https://www.youtube.com/watch?v=TPrnSACiTJ4&list=PLjEaoINr3zgEq0u2MzVgAaHEBt--xLB6U&index=2 [[https://www.youtube.com/watch?v=TPrnSACiTJ4&list=PLjEaoINr3zgEq0u2MzVgAaHEBt--xLB6U&index=2
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 ==== Terms ==== ==== Terms ====
  
-3D Viewport - The editor type we use to do 3D modeling.  Provides your viewport into the world.+model - A collection of objects built within the world.
  
 world vs object world vs object
   * 3D objects exist within the 3D world.     * 3D objects exist within the 3D world.  
   * There is one world, and multiple objects within that world.   * There is one world, and multiple objects within that world.
-  * The model is made up of objects. 
   * Objects are made of vertices, organized into edges and faces.   * Objects are made of vertices, organized into edges and faces.
   * A selection may refer to objects, vertices, edges or faces.   * A selection may refer to objects, vertices, edges or faces.
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   * transformation actually changes the model.   * transformation actually changes the model.
  
-^ noun       ^ verb     ^ applies to ^ terms ^ changes what ^ +^ noun       ^ applies to ^ terms ^ changes what ^ 
-| navigation | navigate | world | pan, roll, zoom | my view of the world | +| navigation | world | pan, roll, orbit, zoom | my point of view | 
-| transformation | transform | object or selection | move, rotate, scale | the model |+| transformation | object or selection | move, rotate, scale | the model |
  
-  * there is one world and it never changes.  When I navigate, I am changing only my view into the world. +3D Viewport - The editor type we use to do 3D modeling.  Provides your view into the world. 
-  * There +[[https://docs.blender.org/manual/en/latest/editors/3dview/index.html# | 3D Viewport]]
  
-gizmo - a UI devices that allows navigation or transformation with the mouse.+gizmo - a UI device that allows navigation or transformation with the mouse. 
 +A gizmo always has three color-coded axes: X (red), Y (green), and Z (blue). 
 +[[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.   * 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
 +  * types:
 +    * bounding box center
 +    * median point
 +    * center of mass
 +    * center of geometry
  
 +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. 
 +  * 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.
  
-3D Cursor - A singleton object that can be placed somewhere in the world. +3D Cursor - a singleton object with location and rotation.  By default it is at the world origin.
- +
-==== World ==== +
-The workspace contains the 3D Viewport editor. +
-[[https://docs.blender.org/manual/en/latest/editors/3dview/index.html# | 3D Viewport]] +
- +
-=== Terms === +
- +
-Note that the terms "origin" and "gizmo" can apply to the world, to an object, or to a selection of objects, faces, edges, vertices, or whatever. +
- +
-Navigate vs Transform +
- +
-navigate - pan, roll, or zoom the world within the viewport. +
- +
-transform - move, rotate, scale an object or a selection. +
- +
-Origin +
- +
-world origin - the point at world coordinates 0,0,0.  Constant. +
- +
- +
- +
-3D Cursor - a singleton object with location and rotation.  By default it is the world origin.+
 Set it using the toolbar or the Snap menu via left-click or shift-S.  The 3D Cursor has multiple purposes.  Set it using the toolbar or the Snap menu via left-click or shift-S.  The 3D Cursor has multiple purposes. 
- It defines where newly added objects are placed.  It can be used to manually position and orient the transform gizmo (see Pivot Point and Transform Orientation).+ It defines where newly added objects are placed.  It can be used to manually position and orient the transform gizmo.
  
-gizmo - A UI element.  A gizmo always has three color-coded axes: X (red), Y (green), and Z (blue). +transform orientation - the orientation of the Object Gizmo.  Can be selected from the 3D Viewport Header menu. 
-[[https://docs.blender.org/manual/en/latest/editors/3dview/display/gizmo.html | Gizmo]] +  * 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.
  
-Navigation Gizmo - upper-right icon with circles and xyz axes. +rotation mode - fancy.  involving Euler math.
-Allows you to pan, roll, or zoom the world within the viewport.+
  
-Transform Gizmo - Allows you to move, rotate, or scale the selected object(s) with the mouse.+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.
  
-=== Navigate ===+==== How to navigate ====
  
 Views: Views:
   * orthographic (flat):  top, bottom, front, back, right, or left.   * orthographic (flat):  top, bottom, front, back, right, or left.
-  * perspective (3D, having depth)+  * perspective (having depth)
  
 To switch views: To switch views:
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   * use Object Mode - View menu: pan, orbit, roll, zoom   * use Object Mode - View menu: pan, orbit, roll, zoom
  
-==== Objects ==== +==== How to transform an object ====
- +
-=== Object Terms === +
- +
-object origin, local origin, origin point - bounding box center of the object. +
- +
-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 +
-  * types: +
-    * bounding box center +
-    * median point +
-    * center of mass +
-    * center of geometry +
- +
-transform orientation +
- +
-object gizmos - specific to the active object and the active tool. +
- +
-normal +
- +
-gimbal +
- +
-rotation mode +
- +
-=== move active object ===+
  
 t toolbar on the left, toggle on and off\\ t toolbar on the left, toggle on and off\\
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   * click mmb   * click mmb
  
-=== add objects ===+add an object
   * duplicate   * duplicate
   * shift a, add, add - mesh - primitives menu: cube, plane, cone, monkey, torus   * shift a, add, add - mesh - primitives menu: cube, plane, cone, monkey, torus
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 shift+A: add an object primitive shift+A: add an object primitive
  
-==== render engine ====+==== Render Engine ====
  
 Cycles - slow, ray-traced, unbiased, for high-end movies Cycles - slow, ray-traced, unbiased, for high-end movies
blender.1698805863.txt.gz · Last modified: 2023/10/31 22:31 by jhagstrand
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