Component Fields In Layer Standards - Autodesk 24108-051400-9000 - AutoCAD Revit Architecture Suite 2008 User Manual

Component Fields in Layer Standards

Each layer standard defines the number of component fields that make up a layer name and specifies the rules for the
content allowed in each field. If you create or edit a layer standard, you access the layer standard properties to edit the
component fields.
Component Field Descriptions
Each layer standard contains the following component fields.
Value
Field Name
Optional
Max Width
Fixed Width
Wildcard
Match Description
Delimiter
Default
For more information about the content of specific layer standards, see
and Editing Component Fields" on page 438.
Description
Identifies the field. Field names should be as consistent as possible
across layering systems to aid in translation.
When Yes, allows the field to be omitted from the end of the layer
name. Optional layer fields cannot precede a required layer field
unless the match option is Yes so that the fields can be identified
according to a match against specific descriptions.
Represents the maximum width in characters that can be used.
When Yes, prevents a field from being shortened from the max width
setting.
An AutoCAD wildcard pattern that the field must match.
When Yes, recognizes the field only if it exactly matches a description.
You can omit fields from the middle of layer names. For example,
an AIA layer may be made up of <discipline> <major> <minor>, or
<discipline> <major> <status>, or <discipline> <major> <minor>
<status>, as the <minor> field may not precede the <status> field
and can be determined only by matching the field value against valid
<minor> field descriptions.
NOTE When omitting fields from layer names, verify that the omitted
field Match Description property is No. This ensures that the layer
name specified can be created.
Specifies the character used to separate fields with no fixed width.
Delimiters are often also used in fixed-width fields for clarity.
A predefined value for those field names that are not optional within
the layer.
AIA Long Format Layer
Component Fields in Layer Standards | 435
Standard" on page 436