Beginning AutoCAD 2006
Placing emphasis on learning by doing, this step-by-step guide provides a detailed exploration of AutoCAD functions required at each stage of producing a 2D drawing.
TABLE OF CONTENTS Beginning AutoCAD 2006
Chapter 15: The MODIFY Commands 2
Overview
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The draw and modify commands are probably the most commonly used of all the AutoCAD commands and we have already used several of each.
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The modify commands discussed previously have been Erase, Offset, Trim, Extend, Fillet and Chamfer.
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In this chapter, we will use C:\MYCAD\WORKDRG to investigate several other modify commands as well as some additional selection set options.
Getting ready
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Open C:\MYCAD\WORKDRG to display the dimensioned red component with green centre lines.
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Erase all dimensions
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Layer OUT current, with the Draw, Modify and Object Snap toolbars displayed
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Freeze layer CL you will find out why shortly
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Menu bar with View-Zoom-All.
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Copy
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Allows objects to be copied to other parts of the screen.
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The command can be used for single or multiple copies of selected objects.
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The user specifies a:
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start (base) point
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displacement (or second point).
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Select the COPY icon from the Modify toolbar, refer to Figure 15.1 and:
prompt
Select objects
enter
C
the crossing selection set option prompt
Specify first corner
respond
pick a point P1
prompt
Specify opposite corner
respond
pick a point P2
but
DO NOT RIGHT-CLICK YET
prompt
11 found note objects not highlighted
then
Select objects, i.e. any more objects to be included in the selection
enter
A
the add selection set option prompt
Select objects
respond
pick objects C1, C2 and C3 then right-click
and
note command line as each object is selected
prompt
Specify base point or [Displacement]
enter
80,110
Copyright Bob McFarlane 2006 under license agreement with Books24x7
