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2018-06-28T21:22:24Z

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wiki>NBurn: 009 update

2017-11-13T03:34:44Z

009 update

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=Exact Offsets=
{{ScriptInfo
|name=Exact Offsets
|tooltip=Tool for precisely setting distance, scale, and rotation of mesh geometry
|menu=Spacebar Menu > "Exact Offsets"
|usage=
|version=0,0,9
|blender=2.77 - 2.79
|category=Mesh
|author=nBurn
|license=GPL
|distribution=
|note=
|exe=mesh_xoffsets.py
|download=https://drive.google.com/open?id=1uEzlGp19MNWSk84_XlYVOsmcDkasQbFW
|modules=
|deps=
|data=
|bugtracker=
|warning=Point finding code is not optimized for high poly meshes
|link=https://blenderartists.org/forum/showthread.php?416960
|releaselog=
|issues=
}}

===Overview===

Exact Offsets is a mesh editing tool that allows you to precisely set the distance, scale, and rotation of mesh objects using vertex locations. It works in both Object and Edit Modes, with the operation performed being dependent on which mode you are in when a new distance or rotation is entered. The purpose of Exact Offsets is to make doing light CAD work in Blender easier (things like making minor adjustments to models from STL files before having them 3D printed).

[[File:Xoffsets_transl_example_1.png|thumb|600px|left|Exact Offsets distance adjust example]]

{{Clr}}

===Performance Note===
The Add-On's vertex finding code is still mostly a proof-of-concept with only
minor performance optimizations. During trial runs Exact Offsets worked fine
with basic models, but once vertex counts reached the 10K to 30K range
performance took a major hit. Using Exact Offsets with anything more complex
than that might still be possible, but is not recommended.

===Install instructions===
# Save the "xoffsets_alpha_v009.zip" file to your computer
# In Blender, go to:  File > User Preferences > Add-ons
# Remove any older versions of "Exact Offsets" (if there are any)
# Press the "Install From File" button and select the xoffsets_alpha_v009.zip file you just downloaded.
# Enable the Add-On by clicking on the box to the left of Add-On's name (Exact Offsets)

===Basic Usage===
Launch the Add-On from the Spacebar menu by typing in: Exact Offsets 
After launching the addon it will be in "Point Click" mode where you can
add 2 or 3 "reference points" using the Left Mouse Button. Points are
added by left clicking on/near the vertices of a mesh model in the
3D View. A point will be placed at the vertex closest to the location you
clicked (except when no vertices are near the mouse cursor). The order in
which you add the points determines their function and color:
* 1st point set is the "Anchor" (red)
* 2nd point set is the "Free" (green)
* If a 3rd point is set, the 2nd point becomes the "Pivot" (blue) and the 3rd point (last) becomes the "Free" point

===Removing points===
If you click on an existing reference point it will be removed. For
removing points the reference point assignment works in reverse of the
"Anchor > Pivot > Free" order when you added points.
Examples:
* If 2 points were added and the Anchor is removed, the Free point (now the only point left) becomes the "new" Anchor.
* If 3 points were added and the Pivot is removed, the Free and Anchor remain unchanged and the Pivot is removed.
* If 3 points were added and the Free is removed, the Anchor remains unchanged and the Pivot becomes the "new" Free.

===Entering a new measurement===
After you add 2 or 3 points, a "button" will appear in the 3D View
displaying the distance or rotation value between the reference points. If
you click on the button a "Measure Input" dialog box will appear displaying
the current measure between the points. If you change the measure in the
dialog box and click "OK", a translation (move), scale, or rotation will be
performed depending on which mode was active.

===Available transform modes===
Translate, Scale (Object mode only), and Rotation.
* Translate mode is active when only 2 points were added.
* Scale mode is active only if 2 ref points were added and attached to the same object.
* Rotate mode active when 3 points are added.

===Direction of Movement===
When a new measurement is input with the dialog box, the Free point will
move away from or towards the Anchor point to match the updated measurement.
If Blender was in Object Mode, the Object the "Free" point was attached to
will be moved. If Blender was in Edit Mode, the "Free" point's vertex will
be moved. If the Free point was part of a selection set, all other selected
vertices (if in Edit Mode) or Mesh Objects (if in Object Mode) will be moved
along with the Free point (except when in scale mode).

===Translate mode===
Without an axis lock set, the Free point will move along the slope between
the Anchor and Free points. With an axis lock set, Free is moved along a
set axis.

===Rotation mode===
When an axis lock is set, the Free point will rotate around that axis where
it passes through the Pivot point's location. The displayed angle measurement
(in degrees) represents the smallest angle created starting from the
Anchor-Pivot line (at 0 degrees) to the Pivot-Free line. Because the smallest
angle is used to determine the direction to move the Free point, if the angle
measured 0 or 180 degrees before entering a new rotation value, the new
location for the Free point will have to be manually selected with the
Left Mouse Button. When no axis lock is set, the Free point will rotate
around the "face normal" of Anchor-Pivot-Free "face" coming off the Pivot's
location. You will not be able to do a rotation without an axis lock set if
the original rotation value was 0 or 180 degrees.

===Scale mode===
(Object Mode Only) If scale mode is active and no axis lock set, the whole
object is scaled up or down so the distance between the Anchor and Free points
matches the distance input with the dialog box. If an axis lock was set, the
object will scale only along the selected axis. Note that the object is
scaled in the direction of the Free point with the Anchor point maintaining
its original location.

===Notes===
* You cannot assign more than 1 reference point to a given 3D location (Points can't share the same coordinates).
* If Objects have an unapplied scale or rotation, transforms may not work as intended (scale in particular).
* Entering negative values will reverse the direction of the transformation. For example, If a Z axis lock was applied, the Free vertex was 2 units above the Anchor, and -3 was entered, the Free vertex would be moved down 5 units to sit 3 units below the Anchor.

===Hotkeys===
LMB = Left Mouse Button, RMB = Right Mouse Button
 
ESC exits Exact Offsets
LMB+RMB exits Exact Offsets
LMB adds/remove ref points and activates button
X sets X-axis lock
Y sets Y-axis lock
Z sets Z-axis lock
C clears axis lock (sets "spherical" lock in rotation mode)

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Extensions:2.6/Py/Scripts/Mesh/Exact Offsets - 版の履歴

Yamyam: 1版 をインポートしました

wiki>NBurn: 009 update

Yamyam: 1版をインポートしました