8

Circular Select ion Region 81
Procedure
To select using a rectangle:
1.
Click the Rectangular Selection Region
button.
2. Drag in a viewport, then r
elease the mouse.
The first location you click is one corner of the
rectangle, and where you release the mouse is
theoppositecorner.
To cancel the selection
,right-clickbeforeyou
release the mouse.
Ci rcular Se le c t ion Re
gion
Main toolbar > Circular Selec t ion Region (S election
Region flyout)
The Circular Selection Region button, available
from the
Selection Region flyout (page 1–80) ,
provides one of five methods you can use to
select objects by region. The other methods are
Rectangular (page 1–80) , Fence (page 1–81) , Lasso
(page 1–82)
,and Paint (page 1–82) .
You can use Circular to select either objects that are
completely within the selection region (window
method), or objects that are either within or
touched by the select ion shape (crossing metho d ).
Tog gle between the window and crossing selection
methods by using the
Crossing Selection button
(page 1–88)
on the m ain toolbar.
Note: If you hold down CTRL while specifying
a region, the affected objects are added to the
current selection. Conversely, if you hold down
ALT while specifying a region, the affected objects
areremovedfromthecurrentselection.
Procedure
To select using a circle:
1.
Click the Circular Selection Region
button.
2. Dr ag in a viewport, then r
elease the mouse.
The first location you click is the center of the
circle, where you release the mouse defines the
circle’s radius.
To cancel the selection
,right-clickbeforeyou
release the mouse.
Fence S el ection R egi o
n
Main toolbar > Fence Selection Region (Selection Region
flyout)
TheFenceSelectionRegionbutton,availablefrom
the
Selection Region flyout (p age 1–80) ,provides
one of five methods you c an use to select objects
by region. The other methods are
Rectangular
(page 1–80)
, Circular (page 1–81) , Lasso (page
1–82)
,and Paint (page 1–82) .
You can use Fence to select either objects that are
completely within the selection region (window
method), or objects that a re either within or
touched by the selection shape (crossing method).
Toggle between the window and crossing selection
methods by using the
Window/Crossing button
(page 1–88)
on the main toolbar.
Note: IfyouholddownCTRLwhilespecifying
a region, the affected objects are added to the
current selection. Conversely, if you hold down
ALT while specifying a region, the affected objects
are removed from the current selection.