ENTITY b_spline_curve

(* SCHEMA geometry_schema; *)

 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: ('GEOMETRY_SCHEMA.UNIFORM_CURVE' IN TYPEOF(self)) OR
        ('GEOMETRY_SCHEMA.QUASI_UNIFORM_CURVE' IN TYPEOF(self)) OR
        ('GEOMETRY_SCHEMA.BEZIER_CURVE' IN TYPEOF(self)) OR
        ('GEOMETRY_SCHEMA.B_SPLINE_CURVE_WITH_KNOTS' IN TYPEOF(self));
 END_ENTITY;

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_item_usage FUNCTION representation_item
 acyclic_mapped_representation FUNCTION representation_item
 aligned_surface_2d_element_coordinate_system ENTITY geometric_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
 binary_assembly_constraint ENTITY geometric_representation_item
 bounded_curve ENTITY b_spline_curve
 brep_2d ENTITY geometric_representation_item
 build_direction_node FUNCTION representation_item
 build_transformed_set FUNCTION curve
 camera_model_d2 ENTITY geometric_representation_item
 camera_model_d3 ENTITY geometric_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
 constrained_kinematic_motion_representation ENTITY geometric_representation_item
 curve_2d_element_coordinate_system ENTITY geometric_representation_item
 curve_or_annotation_curve_occurrence SELECT curve
 curve_replica ENTITY curve
 degenerate_pcurve ENTITY geometric_representation_item
 dimension_of FUNCTION geometric_representation_item
 edge_curve_pcurves FUNCTION curve
 fixed_constituent_assembly_constraint ENTITY geometric_representation_item
 fixed_constituent_assembly_constraint ENTITY representation_item
 fixed_reference_swept_surface ENTITY curve
 founded_item_select SELECT representation_item
 free_kinematic_motion_representation ENTITY geometric_representation_item
 gbsf_check_curve FUNCTION b_spline_curve
 gbsf_check_curve FUNCTION representation_item
 geometric_representation_item ENTITY curve
 geometric_set_select SELECT curve
 item_identified_representation_usage ENTITY representation_item
 item_in_context FUNCTION representation_item
 kinematic_frame_background SELECT curve
 kinematic_frame_based_transformation ENTITY geometric_representation_item
 layered_item SELECT representation_item
 list_representation_item AGGREGATE representation_item
 msf_curve_check FUNCTION b_spline_curve
 msf_curve_check FUNCTION representation_item
 nmsf_curve_check FUNCTION representation_item
 nmsf_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
 primitive_2d ENTITY geometric_representation_item
 rational_b_spline_curve ENTITY b_spline_curve
 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
 ruled_surface_swept_area_solid ENTITY b_spline_curve
 sectioned_spine ENTITY geometric_representation_item
 set_representation_item AGGREGATE representation_item
 shape_representation_item SELECT geometric_representation_item
 solid_replica ENTITY geometric_representation_item
 style_context_select SELECT representation_item
 surface_curve ENTITY curve
 surface_curve_swept_surface ENTITY curve
 surface_of_revolution ENTITY representation_item
 surface_of_revolution ENTITY curve
 surface_of_revolution ENTITY geometric_representation_item
 su_parameters ENTITY geometric_representation_item
 swept_surface ENTITY curve
 trimmed_curve ENTITY curve
 using_representation_with_mapping FUNCTION representation_item
 valid_basis_curve_in_2d_wireframe FUNCTION curve
 valid_geometrically_bounded_wf_curve FUNCTION curve
 valid_wireframe_edge_curve FUNCTION curve
 valid_wireframe_edge_curve FUNCTION curve
 volume ENTITY geometric_representation_item


[Top Level Definitions] [Exit]

Generated by STEP Tools® EXPRESS to HTML Converter
2012-03-27T17:13:58-04:00