Class Visibility in the Standards
In the class section of the Layermap worksheet, class names available for inclusion in the viewports/views are listed down the left side of the worksheet in the first column. The visibility of a specific class is indicated by an alphabetic identifier, which is located in the worksheet cell which cross-references the layer and the viewport/view.
The identifier can take on one of the following values:
 
An explanation of the specific uses of and applications for classes, including AIA layer name equivalents, is provided in PDF format (VA Sheet-Layer-Class stds.pdf) included with Architect and available in [VectorWorks]\Extras.
Default class attributes, such as line style and pen color, are no longer controlled from the Layermap worksheet.

Standards : Layer, Class, and Viewport Standards : Class Visibility in the Standards

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