Controls formatting for datum ID and feature ID.
The ID style is a substyle of the standard, but its format may be defined independently of the active standard style.
Access
Ribbon: Manage tab 
Styles and Standards panel Styles Editor 
. In the browser pane, click one of the listed ID styles to display its attributes in the window.
If you prefer, right-click a feature or datum ID, and then select Edit Style.
For the current document, you can click:
- Back to return to the previously edited style. You are prompted to save the previous edits.
- New to create new styles. Select the Add to Standard check box to add to the available styles list in the active standard style.
- Save to save changes to an existing style in the current document.
- Reset to return style values to the saved values.
- Filter to show Local Styles, Styles in the Active Standard, or All Styles in the browser.
- Import to use the Import Style Definition dialog box to import a style exported from another document.
On the Manage tab, Styles and Standards panel, you can also use these commands:
- Click Update to refresh the style list in the browser pane to include new or changed styles in the library.
- Click Save to save changed styles to the style library, which replaces the style library version with the new values.
- Click Purge to delete unused styles from the document.
Click a Datum ID style to show its attributes.
Substyles
The ID style requires leader and text styles as substyles to define the leader formatting and text font.
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Some substyles can be edited while defining the parent style. Click the pencil to edit the selected style. When you save the style, the changes are in effect wherever the style is used.
- Leader style
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Lists all available leader styles in the active standard.
- Text style
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Lists available text styles in the active standard.
Symbol Size
Specifies the symbol size in the unit type specified in the active standard.
- Scale to text height
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Sizes the bounding shape of the ID (square, circle, or underline) relative to the text height.
- Size
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Unavailable if the Scale to Text Height check box is selected. Clear the check box to specify the bounding shape in linear units, independent of text height.
Symbol Properties
Specifies the shape, orientation, and the leader landing for the symbol.
- Shape
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Lists four options for the bounding shape around the ID text (none, rectangle, circle, or underline. Click one to select.
- Orientation
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Specifies the rotation of the ID symbol when a leader is not used. Click to view the position.
Orients the ID normal to a selected line or tangent to a selected arc. 
Orients the ID to be horizontal regardless of the orientation of the selected geometry. - Allow Landing
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Select the check box to create a horizontal or vertical landing at the end of the last leader segment. Clear the check box if you do not want to create a landing segment.
Comments
Enter a comment about the definition of a particular style, such as date created, created by, or derived from a particular standard.