ENTITY b_spline_curve

(* SCHEMA structural_analysis_design; *)

  ENTITY b_spline_curve
    SUPERTYPE OF (ONEOF (uniform_curve,b_spline_curve_with_knots,
        quasi_uniform_curve,bezier_curve) ANDOR rational_b_spline_curve)
    SUBTYPE OF (bounded_curve);
      degree              : INTEGER;
      control_points_list : LIST [2:?] OF cartesian_point;
      curve_form          : b_spline_curve_form;
      closed_curve        : LOGICAL;
      self_intersect      : LOGICAL;
    DERIVE
      upper_index_on_control_points : INTEGER := SIZEOF(
                                         control_points_list) - 1;
      control_points                : ARRAY [0:
                                         upper_index_on_control_points] OF
                                          cartesian_point := list_to_array(
                                         control_points_list,0,
                                         upper_index_on_control_points);
    WHERE
      wr1: (('STRUCTURAL_ANALYSIS_DESIGN.UNIFORM_CURVE' IN TYPEOF(SELF)) 
               OR ('STRUCTURAL_ANALYSIS_DESIGN.QUASI_UNIFORM_CURVE' IN 
               TYPEOF(SELF)) OR ('STRUCTURAL_ANALYSIS_DESIGN.BEZIER_CURVE' 
               IN TYPEOF(SELF)) OR (
               'STRUCTURAL_ANALYSIS_DESIGN.B_SPLINE_CURVE_WITH_KNOTS' IN 
               TYPEOF(SELF)));
  END_ENTITY; -- b_spline_curve

Explicit Attributes

Entity b_spline_curve has the following local and inherited explicit attributes:
AttributeTypeDefined By
 namelabel (STRING)representation_item
 degreeINTEGERb_spline_curve
 control_points_listLIST OF cartesian_point (ENTITY)b_spline_curve
 curve_formb_spline_curve_form (ENUM)b_spline_curve
 closed_curveLOGICALb_spline_curve
 self_intersectLOGICALb_spline_curve

Derived Attributes

Entity b_spline_curve has the following local and inherited derived attributes:
AttributeTypeDefined By
 dimdimension_count (INTEGER)geometric_representation_item
 upper_index_on_control_pointsINTEGERb_spline_curve
 control_pointsARRAY OF cartesian_point (ENTITY)b_spline_curve

Inverse Attributes

    No Inverse Attributes

Supertypes

Entity b_spline_curve inherits from the following supertypes:
  representation_item
    geometric_representation_item
      curve
        bounded_curve

Subtypes

Entity b_spline_curve has the following subtypes:
    b_spline_curve_with_knots*
    bezier_curve*
    quasi_uniform_curve*
    rational_b_spline_curve*
    uniform_curve*
* - Immediate Subtypes

Referenced By

Entity b_spline_curve and its supertypes are referenced by the following definitions:
DefinitionTypeReferenced Entity
 acyclic_curve_replica FUNCTION curve
 acyclic_mapped_representation FUNCTION representation_item
 aligned_surface_2d_element_coordinate_system ENTITY geometric_representation_item
 analysis_item_within_representation ENTITY representation_item
 arbitrary_volume_2d_element_coordinate_system ENTITY geometric_representation_item
 axis1_placement ENTITY geometric_representation_item
 axis2_placement_2d ENTITY geometric_representation_item
 bounded_curve ENTITY b_spline_curve
 build_direction_node FUNCTION representation_item
 cartesian_transformation_operator_2d ENTITY geometric_representation_item
 cartesian_transformation_operator_3d ENTITY geometric_representation_item
 composite_curve_segment ENTITY curve
 consistent_geometric_reference FUNCTION geometric_representation_item
 curve_2d_element_coordinate_system ENTITY geometric_representation_item
 curve_replica ENTITY curve
 degenerate_pcurve ENTITY geometric_representation_item
 dependent_instantiable_representation_item RULE representation_item
 dimension_of FUNCTION geometric_representation_item
 edge_curve ENTITY curve
 founded_item_select SELECT representation_item
 gbsf_check_curve FUNCTION representation_item
 gbsf_check_curve FUNCTION b_spline_curve
 geometric_representation_item ENTITY curve
 geometric_set_select SELECT curve
 item_defined_transformation ENTITY representation_item
 item_in_context FUNCTION representation_item
 mapped_item ENTITY representation_item
 msf_curve_check FUNCTION representation_item
 msf_curve_check FUNCTION b_spline_curve
 offset_curve_2d ENTITY curve
 offset_curve_3d ENTITY curve
 parametric_curve_3d_element_coordinate_direction ENTITY geometric_representation_item
 pcurve ENTITY geometric_representation_item
 point_on_curve ENTITY curve
 rational_b_spline_curve ENTITY b_spline_curve
 representation ENTITY representation_item
 representation_map ENTITY representation_item
 surface_curve ENTITY curve
 surface_of_revolution ENTITY curve
 surface_of_revolution ENTITY geometric_representation_item
 surface_of_revolution ENTITY representation_item
 swept_surface ENTITY curve
 trimmed_curve ENTITY curve
 valid_geometrically_bounded_wf_curve FUNCTION curve
 valid_wireframe_edge_curve FUNCTION curve


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