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6.7.21 POLYLINESUB (r, p)
Creates a polyline defined by a subrange r of the vertices
of another polyline p.
r is a typeless node to which the lower and upper vertex numbers of the
subrange of the other polyline are connected,
p must be a polyline type node (see 6.7.20).
In the C++ class hierarchy the class created by the POLYLINE keyword is derived
from a general polyline class (see POLYLINE, 6.7.20),
so that it can be used at any places where a polyline is expected
(with the same number format and vertex type of course)
The following variations of this keyword exist (some of them
define the same internal structures, and are only defined to allow
consistent naming conventions):
Keyword 
numbers 
vertices 
POLYLINESUB 
float 
euclidian,3D 
POLYLINESUB2 
float 
euclidian,2D 
POLYLINESUB_F 
float 
euclidian,3D 
POLYLINESUB2_F 
float 
euclidian,2D 
POLYLINESUB_D 
double 
euclidian,3D 
POLYLINESUB2_D 
double 
euclidian,2D 



POLYLINESUB_E2 
float 
euclidian,2D 
POLYLINESUB_E3 
float 
euclidian,3D 
POLYLINESUB_H2 
float 
homogeneous,2D 
POLYLINESUB_H3 
float 
homogeneous,3D 



POLYLINESUB_F_E2 
float 
euclidean,2D 
POLYLINESUB_F_E3 
float 
euclidean,3D 
POLYLINESUB_F_H2 
float 
homogeneous,2D 
POLYLINESUB_F_H3 
float 
homogeneous,3D 



POLYLINESUB_D_E2 
double 
euclidean,2D 
POLYLINESUB_D_E3 
double 
euclidean,3D 
POLYLINESUB_D_H2 
double 
homogeneous,2D 
POLYLINESUB_D_H3 
double 
homogeneous,3D 
Next: 6.7.22 TNURBSURF (t, s)
Up: 6.7 Keywords defining Geometric
Previous: 6.7.20 POLYLINE (v)
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