Rational_b_spline_surface

Overview Schemas Index

GEOMETRY_SCHEMA (jsdai.SGeometry_schema)

ENTITY rational_b_spline_surface
SUBTYPE OF (b_spline_surface);
weights_data : LIST [2:?] OF LIST [2:?] OF REAL;
DERIVE
weights : ARRAY [0: u_upper ] OF ARRAY [0: v_upper ] OF REAL := make_array_of_array ( weights_data , 0 , u_upper , 0 , v_upper ) ;
WHERE
wr1: ( SIZEOF ( weights_data ) = SIZEOF ( SELF \ b_spline_surface . control_points_list ) ) AND ( SIZEOF ( weights_data [ 1 ] ) = SIZEOF ( SELF \ b_spline_surface . control_points_list [ 1 ] ) ) ;
wr2: surface_weights_positive ( SELF ) ;
END_ENTITY; -- rational_b_spline_surface

Entity data types and their attributes

representation_item
name: label;
geometric_representation_item
(DER) dim: dimension_count;
surface
-
bounded_surface
-
b_spline_surface
u_degree: INTEGER;
v_degree: INTEGER;
control_points_list: LIST [2:?] OF LIST [2:?] OF cartesian_point;
surface_form: b_spline_surface_form;
u_closed: LOGICAL;
v_closed: LOGICAL;
self_intersect: LOGICAL;
(DER) u_upper: INTEGER;
(DER) v_upper: INTEGER;
(DER) control_points: ARRAY [0: u_upper ] OF ARRAY [0: v_upper ] OF cartesian_point;
rational_b_spline_surface
weights_data: LIST [2:?] OF LIST [2:?] OF REAL;
(DER) weights: ARRAY [0: u_upper ] OF ARRAY [0: v_upper ] OF REAL;

Complex entities

b_spline_surface_with_knots$rational_b_spline_surface (GEOMETRY_SCHEMA)

bezier_surface$rational_b_spline_surface (GEOMETRY_SCHEMA)

quasi_uniform_surface$rational_b_spline_surface (GEOMETRY_SCHEMA)

rational_b_spline_surface$uniform_surface (GEOMETRY_SCHEMA)

Users

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bounded_surface
surface_patch.parent_surface
b_spline_surface
rational_b_spline_surface

Global rules for this entity data type

-

public interface ERational_b_spline_surface extends EB_spline_surface

weights_data (explicit attribute)

boolean testWeights_data(ERational_b_spline_surface type)
Aadouble getWeights_data(ERational_b_spline_surface type)
Aadouble createWeights_data(ERational_b_spline_surface type)
void unsetWeights_data(ERational_b_spline_surface type)

weights (derived attribute)

Aadouble getWeights(ERational_b_spline_surface type)
boolean testWeights(ERational_b_spline_surface type)

public class CRational_b_spline_surface implements ERational_b_spline_surface

static EAttribute attributeWeights_data(ERational_b_spline_surface type)
static EAttribute attributeWeights(ERational_b_spline_surface type)

public class ARational_b_spline_surface extends AEntity

public ERational_b_spline_surface getByIndex(int index)
public ERational_b_spline_surface getCurrentMember(SdaiIterator it)