ENTITY b_spline_volume

(* SCHEMA STRUCTURAL_FRAME_SCHEMA; *)
(* New for LPM/6 *)
ENTITY b_spline_volume
SUPERTYPE OF (ONEOF(
	b_spline_volume_with_knots, 
	uniform_volume,
	quasi_uniform_volume,
	bezier_volume) ANDOR
	rational_b_spline_volume)
SUBTYPE OF (volume);
	u_degree : INTEGER;
	v_degree : INTEGER;
	w_degree : INTEGER;
	control_points_list : LIST [2:?] OF LIST [2:?] OF LIST [2:?] OF cartesian_point;
DERIVE
	u_upper : INTEGER := SIZEOF(control_points_list) - 1;
	v_upper : INTEGER := SIZEOF(control_points_list[1]) - 1;
	w_upper : INTEGER := SIZEOF(control_points_list[1][1]) - 1;
	control_points : ARRAY [0:u_upper] OF ARRAY [0:v_upper]
		OF ARRAY [0:w_upper] OF  cartesian_point
		:= make_array_of_array_of_array 
		(control_points_list,0,u_upper,0,v_upper,0,w_upper );
WHERE
	WRB17 : ('STRUCTURAL_FRAME_SCHEMA.BEZIER_VOLUME' IN TYPEOF(SELF)) OR
		('STRUCTURAL_FRAME_SCHEMA.UNIFORM_VOLUME' IN TYPEOF(SELF)) OR
		('STRUCTURAL_FRAME_SCHEMA.QUASI_UNIFORM_VOLUME' IN TYPEOF(SELF)) OR
		('STRUCTURAL_FRAME_SCHEMA.B_SPLINE_VOLUME_WITH_KNOTS' IN TYPEOF(SELF)) ;
END_ENTITY;  (* STEP Part 42 (new in 2nd edition)  *)

Explicit Attributes

Entity b_spline_volume has the following local and inherited explicit attributes:
AttributeTypeDefined By
 namelabel (STRING)representation_item
 u_degreeINTEGERb_spline_volume
 v_degreeINTEGERb_spline_volume
 w_degreeINTEGERb_spline_volume
 control_points_listLIST OF LIST OF LIST OF cartesian_point (ENTITY)b_spline_volume

Derived Attributes

Entity b_spline_volume has the following local and inherited derived attributes:
AttributeTypeDefined By
 dimdimension_count (INTEGER)geometric_representation_item
 u_upperINTEGERb_spline_volume
 v_upperINTEGERb_spline_volume
 w_upperINTEGERb_spline_volume
 control_pointsARRAY OF ARRAY OF ARRAY OF cartesian_point (ENTITY)b_spline_volume

Inverse Attributes

    No Inverse Attributes

Supertypes

Entity b_spline_volume inherits from the following supertypes:
  representation_item
    geometric_representation_item
      volume

Subtypes

Entity b_spline_volume has the following subtypes:
    b_spline_volume_with_knots*
    bezier_volume*
    quasi_uniform_volume*
    rational_b_spline_volume*
    uniform_volume*
* - Immediate Subtypes

Referenced By

Entity b_spline_volume and its supertypes are referenced by the following definitions:
DefinitionTypeReferenced Entity
 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
 brep_2d ENTITY geometric_representation_item
 b_spline_volume_with_knots ENTITY b_spline_volume
 cartesian_transformation_operator_2d ENTITY geometric_representation_item
 cartesian_transformation_operator_3d ENTITY geometric_representation_item
 degenerate_pcurve ENTITY geometric_representation_item
 dimension_of FUNCTION geometric_representation_item
 founded_item_select SELECT representation_item
 geometric_representation_item ENTITY volume
 item_defined_transformation ENTITY representation_item
 item_in_context FUNCTION representation_item
 mapped_item ENTITY representation_item
 pcurve ENTITY geometric_representation_item
 point_in_volume ENTITY volume
 primitive_2d ENTITY geometric_representation_item
 rational_b_spline_volume ENTITY b_spline_volume
 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 geometric_representation_item
 revolved_face_solid ENTITY geometric_representation_item
 revolved_face_solid ENTITY representation_item
 select_generic_item SELECT representation_item
 solid_replica ENTITY geometric_representation_item
 trimmed_volume ENTITY volume
 volume ENTITY b_spline_volume
 volume ENTITY geometric_representation_item


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