8

46 Chapter 10: Precision and Drawing Aids
Translation group
Use Axis Constraints—Constrains the
selected object to move only along the axes
specified on the
Axis Constraints toolbar (page
3–735)
. When turned off (the default), the
constraints are ignored, and snapped objects can
be translated in any dimension (assuming 3D
snapping is used). This is also available from the
Snaps shortcut menu, accessed when you hold
SHIFT and right-click in any view port, as well as
from the
Snaps toolbar (page 2–39) .Keyboard
shortcut=ALT+F3 or ALT+D.
Display rubber ba nd—When on and you move an
selection, a rubber-band line appears b etween the
original location and the mouse position. Use this
visual aid for greater accuracy w hen fine-tuning
Default=on.
Home Grid Settings
Customize menu > Grid And Snap Settings > Home Grid
panel
Main toolbar > Right-click 3D snap toggle. > Grid And
Snap Settings > Home Grid panel
The Home Grid panel of the Grid And Snap
Settings dialog sets the spacing and other
characteristics of the
home g rid (page 3–1046) .
Choosing useful home gr id settings can simplify
the construction process. The home grid provides
a visual reference to use when creating objects in
ascene.
In the software, grids have these primary uses:
• An aid in visualizing space, scale, and distance.
• Construction planes where you create and align
objects in your scene.
• A reference system for using grid snaps.
Procedures
To set grid spacing for unit measure:
1.
From the menu bar, choose Customize menu >
Grid And Snap Settings.
2. Click the Home Grid tab.
3. Adjust the value for Grid Spacing, which is in
current units.
For example, if you have units set to centimeters,
you m ig ht make one grid space equal to 1.000
(one unit, or one centimeter in this case).
To set major grid divisions for multiple units:
1.
From the menu bar, choose Customize menu >
Grid And Snap Settings.
2. Click the Home Grid tab.
3. Adjust the Major Lines Every Nth Grid Line
value, which is the number of grid squares
between major lines. The min imum is 2.
For example, if you use a grid spacing of one
cent imeter, you might use a va lue of 10 so the
major grid divisions represent one decimeter.
In perspective view ports, you can set a fixed
size for the displayed home gr id. If Inhibit
Perspective View Grid Resize is turned off
however,thegridsizeadjustsasyouzoomin
or out.
To set vi ew update options:
1.
From the menu bar, choose Customize menu >
Grid And Snap Settings.
2. Click the Home Grid tab.
3. Under Dynamic Update, choose either Active
Viewport (the default) or All Viewports.
To allow subdivision below grid spacing:
1.
From the menu bar, choose Customize menu >
Grid And Snap Settings.
2. Click the Home Grid tab.