Altium Designer Documentation


Created: June 9, 2022 | Updated: June 9, 2022

Parent page: PCB Query Functions - Attribute Checks


Returns all pad objects with a round pad shape on the specified layer.

In addition to being Round in shape, the X-Size and Y-Size properties must be set to be equal, otherwise the result will be an oval pad shape.


IsRoundPadShapeOnLayer(Layer : String) : Boolean/Boolean_String

Layer is the name of the layer as it appears on the Layers & Colors tab of the View Configuration panel.

Example Usage

IsRoundPadShapeOnLayer('Top Layer')
IsRoundPadShapeOnLayer('Top Layer') = True
IsRoundPadShapeOnLayer('Top Layer') = 'True'

Returns all pad objects with a round pad shape on the Top Layer.

Not IsRoundPadShapeOnLayer('Bottom Layer')
IsRoundPadShapeOnLayer('Bottom Layer') = False
IsRoundPadShapeOnLayer('Bottom Layer') = 'False'

Returns all objects except pad objects with a round pad shape on the Bottom Layer.


  1. The single quote characters (') at the start and end of Layer are mandatory.
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