Description

Adds a Conic surface to the associated FRED document.

Syntax

n = AddConic ( entity, curv, conic )

Parameters

n (Long)

Node number of the new Conic surface.

entity As T_ENTITY

The generic entity data for the new Conic surface.

curv As Double

The curvature of the new Conic surface.  (cv=1/radius)

conic As Double

The conic constant of the new Conic surface.  0=sphere, -1=parabola, <-1=hyperbola, etc.

Remarks

This function adds a Conic surface to the associated FRED document and returns the identifier of the new surface.  If there is a problem, the error is reported and the function returns a value of -1.

The sag equation of the surface is

where  

r = Sqrt( x² + y²)

See Also

T_ENTITY

SetConic

GetConic

Examples

Surfaces