Function IEvaluate( _
   ByVal Param As Double _
) As Double

Dim instance As ICoEdge
Dim Param As Double
Dim value As Double
 
value = instance.IEvaluate(Param)

double IEvaluate( 
   double Param
)

double IEvaluate( 
&   double Param
) 

Parameters

Param

Curve parameter desired (U value desired for evaluation)

Return Value

Pointer to an array of doubles (see Remarks)

The tangency vector is defined to be in the direction of the coedge.

The format of the return value is an array of 6 doubles:

• retval[0] x location on the curve 

• retval[1] y location on the curve 

• retval[2] z location on the curve 

• retval[3] x vector describing the tangency at the parameter location on the coedge 

• retval[4] y vector describing the tangency at the parameter location on the coedge 

• retval[5] z vector describing the tangency at the parameter location on the coedge