Entries from September 2009 ↓

AutoCAD does not display or plot the objects drawn on invisible layers. Layers that are frozen or off are invisible in the drawing. If you need an unobstructed view when working in detail on a particular layer or set of layers, you can turn off layers or freeze layers. You can also freeze, turn off layers, or turn off plotting for visible layers if you don’t want to plot certain details such as construction or reference lines.

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Once you’ve created layers and assigned them colors, linetypes, lineweights, and plot styles, you can sort layers by property in the Layer Properties Manager. Layers can be sorted by name, visibility properties, color, lineweight, plot style, or linetype. Click the column head to sort layers by the property in that column. Layer names can be sorted in ascending or descending alphabetical order.

To make the layer that is associated with an object the current layer, select the object and then choose Make Object’s Layer Current on the Object Properties toolbar. The layer of the object you select becomes the current layer. You can also change the current layer by first choosing Make Object’s Layer Current on the Object Properties toolbar and then selecting an object.

You are always drawing on the current layer. When you make a layer current, you can create new objects on that layer. If you make a different layer current, any new objects you create are created on that new current layer and use its color, linetype, lineweight, and plot style (as long as all the object properties maintain the default setting of BYLAYER). You cannot make a layer current if it is frozen or is an xref-dependent layer.

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You can create and name a layer for each conceptual grouping (such as walls or dimensions) and assign common properties to those layers. By grouping objects into layers, you can control their display and make changes quickly and efficiently.

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