DGNElemBSplineSurfaceHeader Struct Reference

#include <dgnlib.h>

List of all members.

Public Attributes

DGNElemCore core
long desc_words
unsigned char curve_type
unsigned char u_order
unsigned short u_properties
short num_poles_u
short num_knots_u
short rule_lines_u
unsigned char v_order
unsigned short v_properties
short num_poles_v
short num_knots_v
short rule_lines_v
short num_bounds


Detailed Description

B-Spline Surface Header element

The core.stype code is DGNST_BSPLINE_SURFACE_HEADER.

Used for: DGNT_BSPLINE_SURFACE_HEADER(24)


Member Data Documentation

Total length of B-Spline surface in words, excluding the first 20 words (header + desc_words field)

curve type

B-spline U order: 2-15

surface U properties: ORing of DGNBSC_ flags

number of poles

number of knots

number of rule lines

B-spline V order: 2-15

surface V properties: Oring of DGNBSS_ flags

number of poles

number of knots

number of rule lines

number of boundaries


The documentation for this struct was generated from the following file:

Generated on Thu Jun 12 16:43:21 2008 for dgnlib by  doxygen 1.5.6