Altium Designer 기술문서
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((PCB Query Functions))_AD
PCB Query((Membership Checks))_AD
Query_Lang-PCBFunctions_MembershipChecks_ExistsOnLayerExistsOnLayer_AD
Created: September 13, 2015 | Updated: August 20, 2021
| Applies to versions: 15.1, 16.0, 16.1, 17.0 and 17.1
Now reading version 17.1. For the latest, read: Query_Lang-PCBFunctions_MembershipChecks_ExistsOnLayer((ExistsOnLayer))_AD for version 21
Parent page: PCB Query Functions - Membership Checks
Summary
Returns all objects that exist on the specified layer.
Syntax
ExistsOnLayer(Layer : String) : Boolean/Boolean_String
Example Usage
ExistsOnLayer('Top Layer')
ExistsOnLayer('Top Layer') = True
ExistsOnLayer('Top Layer') = 'True'
Returns all objects that exist on the Top Layer.
Not ExistsOnLayer('Mechanical 3')
ExistsOnLayer('Mechanical 3') = False
ExistsOnLayer('Mechanical 3') = 'False'
Returns all objects except objects that exist on the Mechanical 3 layer.
Tips
- The single quote characters (') at the start and end of
Layerare mandatory.