ENTITY rational_b_spline_curve

(* SCHEMA STRUCTURAL_FRAME_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
	WRR4 : SIZEOF(weights_data) = SIZEOF(SELF\b_spline_curve.control_points_list);
	WRR5 : curve_weights_positive(SELF);
END_ENTITY;  (*  STEP Part 42 (unchanged in 2nd edition)  *)

Explicit Attributes

Entity rational_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
 weights_dataLIST OF REALrational_b_spline_curve

Derived Attributes

Entity rational_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
 weightsARRAY OF REALrational_b_spline_curve

Inverse Attributes

    No Inverse Attributes

Supertypes

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

Subtypes

    No subtypes

Referenced By

Entity rational_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
 assembly_with_bounding_box ENTITY representation_item
 axis1_placement ENTITY geometric_representation_item
 axis2_placement_2d ENTITY geometric_representation_item
 bounded_curve ENTITY b_spline_curve
 brep_2d ENTITY geometric_representation_item
 build_transformed_set FUNCTION curve
 b_spline_curve ENTITY rational_b_spline_curve
 cartesian_transformation_operator_2d ENTITY geometric_representation_item
 cartesian_transformation_operator_3d ENTITY geometric_representation_item
 composite_curve_segment ENTITY curve
 curve ENTITY bounded_curve
 curve_replica ENTITY curve
 curve_weights_positive FUNCTION rational_b_spline_curve
 degenerate_pcurve ENTITY geometric_representation_item
 dimension_of FUNCTION geometric_representation_item
 edge_curve ENTITY curve
 element_curve_complex ENTITY curve
 element_surface_profiled ENTITY curve
 fastener_simple_curved ENTITY curve
 feature_volume_curved ENTITY curve
 fixed_reference_swept_surface ENTITY curve
 founded_item_select SELECT representation_item
 geometric_representation_item ENTITY curve
 geometric_set_select SELECT curve
 half_space_2d ENTITY curve
 item_defined_transformation ENTITY representation_item
 item_in_context FUNCTION representation_item
 load_element_distributed_curve ENTITY curve
 load_member_distributed_curve ENTITY curve
 mapped_item ENTITY representation_item
 move ENTITY curve
 offset_curve_2d ENTITY curve
 offset_curve_3d ENTITY curve
 part_prismatic_complex ENTITY curve
 part_prismatic_simple_curved ENTITY curve
 part_sheet_profiled ENTITY curve
 pcurve ENTITY geometric_representation_item
 point_on_curve ENTITY curve
 primitive_2d ENTITY geometric_representation_item
 rational_b_spline_curve ENTITY b_spline_curve
 representation ENTITY representation_item
 representation_item ENTITY geometric_representation_item
 representation_map ENTITY representation_item
 revolved_area_solid ENTITY representation_item
 revolved_area_solid ENTITY curve
 revolved_area_solid ENTITY geometric_representation_item
 revolved_face_solid ENTITY geometric_representation_item
 revolved_face_solid ENTITY curve
 revolved_face_solid ENTITY representation_item
 section_profile_centreline ENTITY curve
 section_profile_edge_defined ENTITY bounded_curve
 select_generic_item SELECT representation_item
 solid_replica ENTITY geometric_representation_item
 surface_curve ENTITY curve
 surface_curve_swept_area_solid ENTITY curve
 surface_curve_swept_face_solid ENTITY curve
 surface_curve_swept_surface ENTITY curve
 surface_of_revolution ENTITY curve
 swept_surface ENTITY curve
 trimmed_curve ENTITY curve
 volume ENTITY geometric_representation_item
 weld_mechanism_prismatic ENTITY curve


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2023-03-25T00:11:38-04:00