Yamyam: 1版をインポートしました

2018-06-28T18:37:17Z

1版をインポートしました

wiki>Mindrones: /* Gestures */ fixed bad tagging

2009-04-17T23:50:37Z

‎Gestures: fixed bad tagging

新規ページ

== Description ==

Etch-a-ton is a development branch for sketching techniques applied to rigging.

It can be used both for creating chains of deformation bones through various subdivision techniques (most based on [[User:Theeth/skeletor|skeletor]]) or through retargetting templates (also based on previous non-published work).

== Demonstration ==

Ogg Theora: [http://blenderartists.org/~theeth/bf/etch-a-ton/ high quality videos]

Vimeo: [http://www.vimeo.com/album/39155 video album]

=== Sample Video ===

<vimeo height="308" width="400">2181810</vimeo>

== Documentation ==

=== Generalities ===

Strokes direction affects bone (bone chains from the start of the stroke to its end)

Strokes have a normal defined at creation (for polylines, when each point is inserted). This normal points at the viewer.

Strokes' normal are used to define bone orientation. For conversion methods, Z axis point along the normal. For retargetting method, see the Roll option.

Sketches are '''NOT''' saved into the file.

Stroke threshold uses the Manhattan Dist setting from Grease Pencil (Userprefs - Edit Methods). If your mouse or tablet is too sensitive and you keep making points close to one another, crank that up a bit.

=== Sketching Hotkeys ===

PKey (or menu Armature -> Bone Sketching) opens the sketch panel (in Armature Edit Mode)

Draw strokes with LMB.

Gestures with RMB.

ESCkey cancels a stroke.

RMB ends a stroke.

Click for polylines, hold down mouse button for continuous strokes.

Hold down Ctrl to snap to strokes' poly points and bones' joints or to embed into a volume, depending on your snapping mode (in the 3D view header, same as transform snap).

RMB click select strokes (+Shift to add to selection)

Akey select/deselect all

Xkey delete stroke

=== Gestures ===

Gestures are only applied when Quick Mode is OFF.

*Straight line intersecting a stroke once to '''CUT''' poly points into a stroke
*L shape intersecting a stroke once to '''TRIM''' it. The half on the same side as the L's leg will be removed.
*V shape intersecting a stroke twice to '''DELETE''' it
*Half circle intersecting a stroke twice to '''REVERSE''' its direction
*Curve line intersecting a stroke twice and ending in a pig tail (small loop on itself) to access the '''COMMAND''' menu (Flatten, Straighten, Polygonize). The actual command is applied between the two intersections.
*X shape (three lines crossing itself) to '''CONVERT''' selected strokes to bones.

<gallery caption="Gesture">
Image:User-theeth-cut.jpg|Cut
Image:User-theeth-trim.jpg|Trim
Image:User-theeth-delete.jpg|Delete
Image:User-theeth-reverse.jpg|Reverse
Image:User-theeth-command.jpg|Command
Image:User-theeth-convert.jpg|Convert
</gallery>

=== Sketching Panel ===

[[Image:User-theeth-sketch panel annoted.png]]

1. Bone Sketching toggle

2. Overdraw and Quick Mode toggle

:Overdraw: redraw on top of an existing stroke to modify it
:Quick Mode: strokes are automatically converted and deleted once they are ended. No gesture (bone edit mode works as usual).

[[Image:User-theeth-overdraw.jpg|thumb|right|Overdraw]]

3. Conversion methods (dropdown)

:#Length: Subdivide stroke in bones of the given length
:#Correlation: Subdivide stroke based on linearity. Curved sections will have smaller bones, straight portions less bones. Parameter is between 0 and 1. The closer to 1, the less change of direction there has to be in the stroke before a new bone is added.
:#Fixed: Subdivide stroke in the given number of bones
:#Retarget: Fit template to the stroke.

4. Method options

:Length: maximum length of each bone
:Adaptive: linearity threshold (higher means more bones in curved regions)
:Fixed: number of bones that will be created
:Retarget: bone roll correction method method
::*No: Doesn't apply corrective method on bone roll.
::*View: Roll bone so that at least one axis is perpendicular to the view
::*Joint: Roll bone fit it's original rotation with regards to the bend of the joint with its parent.

[[Image:User-theeth-subdivision.jpg|thumb|right|Subdivision]]

5. Template to use for Retarget. If None, Retarget option will use a copy of selected bones instead.

[[Image:User-theeth-templating.jpg|thumb|right|Templating]]

6. Retargetting weights (defaults are ok most of the time)

:#Angle weight: Controls how close to the original angles between bones the result will be.
:#Length weight: Controls how close to the original bone lengths the result will be
:#Conformity weight: Controls how much bones have to conform to the stroke, how much they can deviate from that shape.

7. Template Renaming fields and automatic toggle

:*Side: User defined string that will be inserted in retargetted bone names in place of '''&S'''
:*Number: User defined string that will be inserted in retargetted bone names in place of '''&N'''.
:*Auto: When turned on, Side field will be set depending on which side of the X axis a stroke starts on while Number will be incremented after each stroke.

[[Image:User-theeth-autonaming.jpg|thumb|right|Autonaming]]

8. Number of joints in the current template. When drawing a polyline, there should be at least as many points as joints.

9. Peel Objects option for volume embedding. When turned on, consider separate object as whole for volume embedding.

=== Template Usage ===

Templates can be used in the following manners:

- Using an external (not the one you are working on) armature object as template: Select the appropriate object from the drop down menu.
- Using selected bones from the current armature: Select "None" from the drop down menu.

Template should only consist of a single chain of deform bones.

== TODO NOTES ==

If you are not me, the following doesn't concern you.

- Python hooks in retarget, do deal with custom rigs

← 古い版	2018年6月28日 (木) 18:37時点における版
(相違点なし)

利用者:Theeth/etch-a-ton - 版の履歴

Yamyam: 1版 をインポートしました

wiki>Mindrones: /* Gestures */ fixed bad tagging

Yamyam: 1版をインポートしました