Rational_b_spline_curve

Overview Schemas Index

GEOMETRY_SCHEMA (jsdai.SGeometry_schema)

ENTITY rational_b_spline_curve
SUBTYPE OF (b_spline_curve);
weights_data : LIST [2:?] OF REAL;
DERIVE
weights : ARRAY [0: upper_index_on_control_points ] OF REAL := list_to_array ( weights_data , 0 , upper_index_on_control_points ) ;
WHERE
wr1: SIZEOF ( weights_data ) = SIZEOF ( SELF \ b_spline_curve . control_points_list ) ;
wr2: curve_weights_positive ( SELF ) ;
END_ENTITY; -- rational_b_spline_curve

Entity data types and their attributes

representation_item
name: label;
geometric_representation_item
(DER) dim: dimension_count;
curve
-
bounded_curve
-
b_spline_curve
degree: INTEGER;
control_points_list: LIST [2:?] OF cartesian_point;
curve_form: b_spline_curve_form;
closed_curve: LOGICAL;
self_intersect: LOGICAL;
(DER) upper_index_on_control_points: INTEGER;
(DER) control_points: ARRAY [0: upper_index_on_control_points ] OF cartesian_point;
rational_b_spline_curve
weights_data: LIST [2:?] OF REAL;
(DER) weights: ARRAY [0: upper_index_on_control_points ] OF REAL;

Complex entities

b_spline_curve_with_knots$rational_b_spline_curve (GEOMETRY_SCHEMA)

bezier_curve$rational_b_spline_curve (GEOMETRY_SCHEMA)

quasi_uniform_curve$rational_b_spline_curve (GEOMETRY_SCHEMA)

rational_b_spline_curve$uniform_curve (GEOMETRY_SCHEMA)

Users

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composite_text_with_associated_curves.associated_curves
constructive_geometric_element.element
constructive_element_select
curve_based_path.path_curve
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text_literal_with_associated_curves.associated_curves
transformation_with_derived_angle.transform_item_1
angle_direction_reference_with_a2p3d_select
angle_direction_reference_select
trimmed_curve.basis_curve
bounded_curve
curve_length_geometric_constraint.constrained_elements
solid_with_curved_slot.slot_centreline
b_spline_curve
rational_b_spline_curve

Global rules for this entity data type

-

public interface ERational_b_spline_curve extends EB_spline_curve

weights_data (explicit attribute)

boolean testWeights_data(ERational_b_spline_curve type)
A_double getWeights_data(ERational_b_spline_curve type)
A_double createWeights_data(ERational_b_spline_curve type)
void unsetWeights_data(ERational_b_spline_curve type)

weights (derived attribute)

A_double getWeights(ERational_b_spline_curve type)
boolean testWeights(ERational_b_spline_curve type)

public class CRational_b_spline_curve implements ERational_b_spline_curve

static EAttribute attributeWeights_data(ERational_b_spline_curve type)
static EAttribute attributeWeights(ERational_b_spline_curve type)

public class ARational_b_spline_curve extends AEntity

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