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Ansoft Designer / Ansys Designer 在线帮助文档：

Layout Editor User Guide >
Drawing a Model >
   Negative Objects       


Negative Objects

Objects may be designated as a negative. The negative attribute is accessed through the Property Window or an object’s Property Dialog. The following are defined as negative objects:

• Remove material from all items they overlap.

• Export to Gerber, GDSII and DXF.

• Can be copied to the clipboard.

A negative object on a ground layer does not remove material from the layer itself, but rather, interacts with other primitives in the same way as on other layers. Negative objects may contain voids. But a negative always removes material and never adds it. Consequently, a void in a negative is merely an area where material is not removed.

 

To designate an object as a negative in the Layout Editor, in the Properties Window or the object’s Properties Dialog (double-click the object) check the Negative selection box.

 

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