Configuring PCB Radial Diameter Dimension Object Properties in Altium Designer

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Parent page: Radial Diameter Dimension

PCB Editor object properties are definable options that specify the visual style, content and behavior of the placed object. The property settings for each type of object are defined in two different ways:

  • Pre-placement settings – most Radial Diameter Dimension object properties, or those that can logically be pre-defined, are available as editable default settings on the PCB Editor - Defaults page of the Preferences dialog (accessed from the  button at the top-right of the workspace). Select Radial Diameter Dimension in the Primitive List to reveal its options on the right.

  • Post-placement settings – all Radial Diameter Dimension object properties are available for editing in the Radial Diameter Dimension dialog and Properties panel when a placed Radial Diameter Dimension is selected in the workspace.

  

If the Double Click Runs Interactive Properties option is disabled (default) on the PCB Editor - Defaults page of the Preferences dialog, when the primitive is double-clicked or you right-click on a selected primitive then choose Properties, the dialog will open. When the Double Click Runs Interactive Properties option is enabled, the Properties panel will open. 
While the options are the same in the dialog and the panel, the order and placement of the options may differ slightly. 

Style

  • Dimension Line Width - the current dimension line width.
  • Text Gap - the current gap to the left and right of the dimension value text. 

Arrow Style

  • Arrow Size - the current arrowhead size. The size is measured as the distance between the arrow tip and the end of the arrow 'legs'.
  • Arrow Length - the current arrow length. Note that the value entered into this field is applied only when the Arrow Position (in the Properties region) is set to Outside.

Properties

  • Layer - the layer to which the dimension is currently assigned. Dimensions can be assigned to any available layer. Use the drop-down to select a different layer.
  • Text Position - the current position of the dimension text. Use the associated drop-down list to choose one of the following options:
    • Aligned - Left - the dimension text will be aligned to the left of the dimension line (outside of the extension line).
    • Unidirectional - the dimension text will be aligned to the center of the dimension line but will remain horizontal regardless of the dimension alignment angle.
    • Manual - the dimension text will be available for manual placement directly in the workspace.
  • Arrow Position - the current position of the dimension arrows. The available options are:
    • Inside - arrows will be positioned inside the dimension's extension lines (pointing outwards).
    • Outside - arrows will be positioned outside the dimension's extension lines (pointing inwards).
  • Angular Step - the current angular step setting for the dimension. This is the rotation step used when placing the arrow portion of the dimension. Moving the arrow around the circle or arc during placement of the dimension, the number and position of possible places to anchor the dimension are determined by this angular step value.
  • Text Height - the current height of the dimension text characters. The character width used to display or print the text is automatically proportioned to this height. A minimum height of 36mil (0.9mm) will allow the text to be legibly photo-plotted.

Font Type

  • TrueType -  use this field to choose the required TrueType font. The drop-down list is populated with TrueType and OpenType (a superset of TrueType) fonts found in the \Windows\Fonts folder. Note that the list will include only entries for detected (and uniquely named) root fonts. Use the B (bold) and (Italic) options to add emphasis to the text.
  • Stroke  
    • Font - use this field to choose the required Stroke font. Available options are:
      • Default - a simple vector font that supports pen plotting and vector photo-plotting.
      • Serif - a more complex font that will slow down vector output generation, such as Gerber.
      • Sans Serif- a more complex font that will slow down vector output generation, such as Gerber.
Stroke-based fonts are built into the software and cannot be changed. All three fonts have the full IBM extended ASCII character set that supports English and other European languages.
  • Stroke Width - displays the current stroke width. 

Units 

  • Primary Units -  the current unit that is selected for the calculation and display of the dimension value. Choose either MilsMillimetersInchesCentimeters, or Automatic.
The Automatic setting follows the actual measurement unit employed for the board as determined by the Units setting in the Other region of the Properties panel in Board mode.
  • Value Precision - the current setting for the number of decimal places to the right of the decimal point for which the dimension will be displayed.

Value

  • Format - the current setting for the format of the dimension text. Use the associated drop-down to change the format as required. The options listed will depend on the chosen Unit and present based on the actual value for the current dimension. In generic terms, the available options are:
    • None - no dimension text is displayed.
    • Value Only - no units are displayed, only the dimension value (e.g., ø 600.00).
    • Value and Unit - units are displayed after the dimension value (e.g., ø 600.00mil).
    • Value and Bracketed Unit - units are displayed in brackets after the dimension value (e.g., ø 600.00 (mil)).
For all formats other than None, the fixed prefix of ø is also displayed.
  • Prefix -  the prefix to the dimension value. This field is fixed with the character ø.
  • Suffix - the current suffix of the dimension value. 
  • Sample - this field presents a sample of how the dimension text will appear in accordance with specified Format and any defined Prefix and/or Suffix.
If you find an issue, select the text/image and pressCtrl + Enterto send us your feedback.
注記

利用できる機能は、Altium 製品のアクセスレベルによって異なります。Altium Designer ソフトウェア サブスクリプション の様々なレベルに含まれる機能と、Altium 365 プラットフォーム で提供されるアプリケーションを通じて提供される機能を比較してください。

ソフトウェアの機能が見つからない場合は、Altium の営業担当者に連絡して 詳細を確認してください。