2008

Table Of Contents
Key Terms
DefinitionTerm
A contour that is covered by another contour or by objects that are lying behind
another contour, in the 3D sense. A background may be a foreground for an
additional contour.
background
Objects which are lying in front of another contour, in the 3D sense. A fore-
ground may also be a background for an additional contour.
foreground
Line that is not visible in a specified view. For example, in a front view, lines
behind the front plane are not visible.
hidden line
Steel shapes are standardized steel geometries and profiles that are used for
steel and plant construction.
steel shapes
Working with 2D Hide and 2D Steel Shapes
Use the AM2DHIDE command when mechanical structure is not enabled. Use
AMSHIDE when mechanical structure is enabled. For this exercise you work
with AM2DHIDE.
Before you begin this tutorial...
This tutorial requires the mechanical browser. If the mechanical browser is
not visible:
1 Enter AMBROWSER in the command prompt and press ENTER.
2 When prompted, enter ON and press ENTER.
Opening the initial drawing
To open a drawing
1 Open the file tut_steelshape.dwg in the acadm\tutorial folder.
186 | Chapter 10 Working with 2D Hide and 2D Steel Shapes