This chapter includes the main entity properties, essential to a correct structure of any drawing, being layer the most important. Any entity must belong to a layer and overlapping all layers is the drawing. Each layer has several properties like visibility, locked, color, linestyle, lineweight, or printed.
The layer list controls the most used properties, including activating and modifying entities layer. The
LAYER command includes some common properties and some others.
Associated to layers, or applied directly to entities, three very important properties to ease project understanding, visualization and printing quality, are color, linestyles and lineweights. These properties should be controlled by layer. Concerning linestyles, it is ...