Technical data

Organizing Drawings with Layers
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By turning layers on and off, you can plot the same drawing to
serve different purposes.
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In lists, layers are sorted alphabetically by name. If you choose layer
names carefully, you can sort layers by groups. For example, if you
have a set of layers that start with CONTOUR, such as
CONTOUR01, CONTOUR02, and so on, then you can sort for
CONTOUR to display a list with only those layers.
For more information, use to look up “Working with Layers” in the
online Help.
Changing Properties of Layers and Objects
You can make changes to objects and layers by using the Object
Properties toolbar.
Object Properties toolbar
Tool Description
Makes the selected object’s layer the current layer.
Displays the Layer and Linetype Properties dialog box in which you can
manage layers.
Turns layers on and off. Layers that are turned off are invisible and
not plotted.
Freezes and thaws layers in all viewports. Frozen layers are invisible and
all objects are ignored. You can freeze layers to save regeneration time
when zooming, panning, or selecting a viewpoint in a complex
drawing. As you thaw a layer, AutoCAD Land Development Desktop
regenerates the drawing.