Altium Designer 文档
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((Schematic Query Functions))_AD
SCH Query((Membership Checks))_AD
Query_Lang-SCHFunctions_MembershipChecks_AsCMAsCM_AD
This document is no longer available beyond version 21.0. Information can now be found here: AsCM for version 25
Parent page: Schematic Query Functions - Membership Checks
Summary
For numeric properties of objects (e.g. length, width, radius, etc), this keyword is used to convert the current value - measured in the default workspace units - into metric units - cm - where 1cm = 0.01meter, which is then tested against the value entered in the expression.
Syntax
AsCM(Keyword : Number) : Number
Example Usage
IsArc And (AsCM(Radius) = 0.56)
Returns all arc objects that have a Radius property which is 0.56cm.
IsPort And (AsCM(Width) Between 1.27 And 2.79)
Returns all port objects that have a Width property which is greater than, or equal to, 1.27cm, and less than, or equal to, 2.79cm.