Example 2: Tangent
 
The element tree structure of the axis, created with type as Tangent, is shown in the following figure.
The following table specifies the constraints for the PRO_E_DTMAXIS_CONSTRAINT elements in the element tree for the tangent type of axis.
Placement Constraint Element
Placement Constraint Member Elements
Valid Value
PRO_E_DTMAXIS_CONSTRAINT (Constraint 1)
PRO_E_DTMAXIS_CONSTR_TYPE
PRO_DTMAXIS_CONSTR_TYPE_TANGENT
PRO_E_DTMAXIS_CONSTR_REF
PRO_EDGE, PRO_CURVE
PRO_E_DTMAXIS_CONSTRAINT (Constraint 2)
PRO_E_DTMAXIS_CONSTR_TYPE
PRO_DTMAXIS_CONSTR_TYPE_THRU
PRO_E_DTMAXIS_CONSTR_REF
PRO_POINT, PRO_EDGE_START, PRO_EDGE_END,PRO_CRV_START, PRO_CRV_END
這是否有幫助?