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Parent page: PCB Objects
Examples of the various types of placed region objects
A Region, also known as a Solid Region, is a polygonal-shaped primitive object that can be placed on any layer.
A region can have any number of sides and vertices (corners). It can be placed on a signal layer to define an area of solid copper to be used to provide shielding or to carry large currents. Positive regions can be combined with tracks or arc segments and be connected to a net. In the PCB Library editor, regions can be used to create custom pad shapes on copper layers or special mask shapes on the solder and paste masks. On non-electrical layers, regions can be used to define custom shapes for tasks such as logos.
When placed as a negative, a region can create a cutout (a void) in a polygon pour. In this mode, the region will not be filled with copper when the polygon is poured. When used as a negative region for a board cutout (by placing it on the multi-layer), it defines an area that becomes a hole through the finished board. Board cutout regions are transferred to Gerber and ODB++ files for manufacturing purposes through the use of a dedicated Rout layer.
Regions are available for placement in both the PCB editor and the PCB Library editors in one of the following ways:
After launching the command, the cursor will change to a crosshair and you will enter region placement mode. Placement is made by performing the following sequence of actions:
Additional actions that can be performed during placement include:
Regions contain two points, or "handles", with which to edit the shape of the region.
An existing region can be re-shaped by moving these handles, or vertices, located at each corner or at the center of each edge.
To modify the region shape:
The various methods of moving region vertices.
In addition to vertex editing, you also can use the Modify Region Border command to easily change the shape of polygons. The command is run by right-clicking on the desired polygon then selecting Polygon Actions » Modify Polygon Border. Once the command is launched, the cursor becomes a crosshair. Each time you click, a new vertex is added. As during region placement, the Shift+Spacebar shortcuts can be used to change corner shapes.
Modifying a region border.
Non-Graphical Editing
The following methods of non-graphical editing are available:
Properties page: Region Properties
This method of editing uses the associated Properties panel mode to modify the properties of a Region object.
The Region mode of the Properties panel
During placement, the Region mode of the Properties panel can be accessed by pressing the Tab key.
After placement, the Region mode of the Properties panel can be accessed in one of the following ways:
Panel pages: PCB List, PCBLIB List
A List panel allows you to display design objects from one or more documents in tabular format, enabling quick inspection and modification of object attributes. Used in conjunction with appropriate filtering, it enables the display of just those objects falling under the scope of the active filter – allowing you to target and edit multiple design objects with greater accuracy and efficiency.
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