Autodesk CIVIL3D Tutorial - Page 796
Managing General, Properties for Label Styles, Managing Layout Properties for Label Styles
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the label style refers. When a label style refers to a specific layer, any label style components that are set to either ByLayer or ByBlock inherit the properties of that specific layer. However, if the label style refers to layer 0, then any label style components that are set to either ByLayer or ByBlock inherit their properties from the layer on which the label resides. A label is an independent AutoCAD Civil 3D object that can be on a separate layer from its parent object. However, the visibility of a label is linked to the layer of the parent object. Turning off or freezing the layer of an object also hides the labels of that object, even if they reside on a different layer. For more information, see the AutoCAD Civil 3D Help topics Managing General Properties for Label Styles and Managing Layout Properties for Label Styles. This exercise continues from Exercise 2: Using a Child Label Style (page 780). Examine how parent object layer state affects label visibility NOTE This exercise uses Labels-5a.dwg with the modifications you made in the previous exercise, or you can open Labels-5b.dwg from the tutorial drawings folder (page 819). 1 On the West Street alignment, zoom and pan to the area between stations 0+100 and 0+120. 2 Click station label 0+120 to select all major station labels. Right-click. Click Properties. On the Properties palette, notice that the alignment station labels are on layer C-ROAD-TEXT. If you look at the properties for the alignment itself, you will see that it is on the C-ROAD layer. 3 Click Home tab ➤ Layers panel ➤ Layer list. Next to the C-ROAD layer, click to turn off the C-ROAD layer. 4 On the command line, enter REGEN. The alignment and its labels are hidden. This happened because, while labels are independent objects on a separate layer, their visibility is linked to the layer of the parent object, C-ROAD. Turning off the layer of an object also hides the labels of that object, even if they reside on a different layer. NOTE The blue line that remains in place of the alignment is the polyline in the externally referenced drawing, from which you created the alignment in the Adding Labels In Groups (page 745) exercise. 784 | Chapter 19 Labels and Tables Tutorials