2004

Table Of Contents
364 | Chapter 17 Change Existing Objects
Combine selection methods. For example, to select most of the objects in
the graphics area, select all objects and then remove the objects that you
do not want selected.
Enter 'filter to use a named selection filter. The apostrophe runs the
command transparently.
Select Objects First
You can use one of two methods to select objects before starting a command
to operate on them:
Use the SELECT command, and enter ? to display all selection options. All
objects selected are put into the Previous selection set. To use the Previous
selection set, enter p at the Select Objects prompt of any subsequent
command.
When Noun/Verb Selection is turned on in the Options dialog box, select
objects at the Command prompt before entering a command such as
MOVE, COPY, or ERASE. With this method, you can only select objects by
clicking them individually or by using automatic selection.
Enter qselect to filter the selection. Then use p at the Select Objects
prompt of any subsequent command.
Control Selection Highlighting
By default, AutoCAD highlights the objects you select. You can increase pro-
gram speed by setting the
HIGHLIGHT system variable to 0. You would rarely
do this except in very large drawings. Turning off selection highlighting does
not affect grips on selected objects.
Set Up Default Selection Methods
You can control how objects are selected by setting alternative selection
methods, changing the pickbox size, and using the object sorting methods.
The options on the Selection tab of the Options dialog box control whether
You can select objects before entering a command that modifies objects
(noun/verb selection).
You must press SHIFT to append objects to the selection set (PICKADD).
You click and drag when creating a selection window. Otherwise you must
click twice to define the corners of a selection window (
PICKDRAG).
You enter Window or Crossing selection automatically when you click an
empty space. Otherwise, you must enter c or w to specify window crossing
selection (
PICKAUTO).
You change the size of the pickbox (PICKBOX).