Altium Designer Documentation

Configuring PCB Fill Keepout Object Properties in Altium Designer

Created: November 15, 2019 | Updated: April 10, 2021
All Contents

Parent page: Fill Keepout

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 Fill Keepout 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 (access from the  button at the top-right of the design space). Select the object in the Primitive List to reveal its options on the right.

  • Post-placement settings – all Fill Keepout object properties are available for editing in the Properties panel when a placed Fill Keepout is selected in the design space.
For more information about Keepouts, click here.

If the Double Click Runs Interactive Properties option is disabled (default) on the PCB Editor - General 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. 
In the below properties listing, options that are not available as default settings in the Preferences dialog are noted as "Properties panel only".

Location (Properties panel only)

The  icon to the right of this region must be displayed as  (unlocked) in order to access the below fields. Toggle the lock/unlock icon to change its lock status. 
  • (X/Y) 
    • X (first field) - the current X (horizontal) coordinate of the reference point of the fill keepout, relative to the current design space origin. Edit to change the X position of the fill keepout. The value can be entered in either metric or imperial; include the units when entering a value whose units are not the current default. 
    • Y (second field) - The current Y (vertical) coordinate of the reference point of the fill keepout, relative to the current origin. Edit to change the Y position of the fill keepout. The value can be entered in either metric or imperial; include the units when entering a value whose units are not the current default. 
  • Rotation - the fill keepout's angle of rotation (in degrees), measured counterclockwise from zero (the 3 o'clock horizontal). Edit to change the rotation of the fill keepout. Minimum angular resolution is 0.001°.

Properties

  • Restricted for ​​Layer - use the drop-down to select the restricted layer.​​
  • Area - provides the area of the placed object.
  • Length - displays the current length of the fill keepout. Edit this field to change the length within the range 0.001mil to 10000mil.
  • Width - displays the current width of the fill keepout. Edit this field to change the width within the range 0.001mil to 10000mil.
Values can be defined in either mm or mil units. When entering a value in units other than the current units, add the mm or mil suffix to the value.

Keepout Restrictions

Use this region to select which object types will be restricted by the Keepout. Deselecting an object type will cause the Keepout to allow transgressions by that type of object (not kept out) by not imposing the applicable Clearance Rule. Choices include:

  • Via
  • Track
  • Copper
  • SMD Pad
  • TH Pad
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