: Public <<CodeList>> Class
GM_SurfaceInterpolation (Figure 20) is a list of codes that may be used to identify the interpolation mechanisms specified by an application schema. Valid values for "interpolation" include, but are not limited, to the following:<br /></p><p>a) None (none) - the interior of the surface is not specified. The assumption is that the surface follows the reference surface defined by the coordinate reference system.<br /></p><p>b) Planar (planar) - the interpolation method shall return points on a single plane. The boundary in this case shall be contained within that plane.<br /></p><p>c) Spherical (spherical), Elliptical (elliptical), Conic (conic) - the surface is a section of a spherical, elliptical or conic surface.<br /></p><p>d) TIN (tin) - the control points are organized into adjoining triangles, which form small planar segments.<br /></p><p>e) Parametric Curve (parametricCurve) - the control points are organized into a 2-dimensional grid and each cell within the grid is spanned by a surface which shall be defined by a family of curves.<br /></p><p>f) Polynomial Spline (polynomialSpline) - the control points are organized into an irregular 2-dimensional grid and each cell within this grid is spanned by a polynomial spline function.<br /></p><p>g) Rational Spline (rationalSpline) - the control points are organized into an irregular 2-dimensional grid and each cell within this grid is spanned by a rational (quotient of polynomials) spline function.<br /></p><p>h) Triangulated Spline (triangulatedSpline) - the control points are organized into adjoining triangles, each of which is spanned by a polynomial spline function.<br /></p><p>If more than one interpolation description fits the method used, then the most restrictive one will be used. <br /></p><p>GM_SurfaceInterpolation::<br /></p><p>none <br /></p><p>planar <br /></p><p>spherical <br /></p><p>elliptical <br /></p><p>conic <br /></p><p>tin <br /></p><p>parametricCurve <br /></p><p>polynomialSpline <br /></p><p>rationalSpline <br /></p><p>triangualtedSpline<br /></p>