识别基准面

Synopsis

obj = BASURF/obj[,IFERR,label:]

Description

Allows you to identify the base face of a specified offset body. This statement returns the object identifier of the desired base face.

Parameters

Parameter

Description

obj

The offset body whose base face you wish to identify. If the specified object is not an offset body, an error results.

IFERR,label:

Indicates a label to which program execution jumps if an error occurs; for example, if the specified offset surface does not have an associated base surface.

Parameter	Description
obj	The offset body whose base face you wish to identify. If the specified object is not an offset body, an error results.
IFERR,label:	Indicates a label to which program execution jumps if an error occurs; for example, if the specified offset surface does not have an associated base surface.