Synopsis

PDX_MSGT gdx_EvalSpherePnt(long option, T_GDX_SPHERE *gdx_sphere, double uval, double vval, MTH_3DPNT point)

Purpose

Evaluate a point on a GDX sphere.

Description

At a given (u,v) parameter value, evaluate a point on the GDX sphere entity.

Input

option

GDX_UNNORM

Unnormalize the parameter values

gdx_sphere

The GDX sphere entity structure pointer

uval

The surface u parameter value

vval

The surface v parameter value

Output

point

The 3D point location

Return

      GDX_NOERR
      GDX_PARMOUTOFRANGE
      Low level error return
      .fi