ENTITY b_spline_surface

(* SCHEMA associative_draughting; *)

  ENTITY b_spline_surface
    SUPERTYPE OF (ONEOF (b_spline_surface_with_knots,uniform_surface,
        quasi_uniform_surface,bezier_surface) ANDOR 
        rational_b_spline_surface)
    SUBTYPE OF (bounded_surface);
      u_degree            : INTEGER;
      v_degree            : INTEGER;
      control_points_list : LIST [2:?] OF LIST [2:?] OF cartesian_point;
      surface_form        : b_spline_surface_form;
      u_closed            : LOGICAL;
      v_closed            : LOGICAL;
      self_intersect      : LOGICAL;
    DERIVE
      u_upper        : INTEGER := SIZEOF(control_points_list) - 1;
      v_upper        : INTEGER := SIZEOF(control_points_list[1]) - 1;
      control_points : ARRAY [0:u_upper] OF ARRAY [0:v_upper] OF
                           cartesian_point := make_array_of_array(
                          control_points_list,0,u_upper,0,v_upper);
    WHERE
      wr1: ('ASSOCIATIVE_DRAUGHTING.UNIFORM_SURFACE' IN TYPEOF(SELF)) OR (
               'ASSOCIATIVE_DRAUGHTING.QUASI_UNIFORM_SURFACE' IN TYPEOF(
               SELF)) OR ('ASSOCIATIVE_DRAUGHTING.BEZIER_SURFACE' IN 
               TYPEOF(SELF)) OR (
               'ASSOCIATIVE_DRAUGHTING.B_SPLINE_SURFACE_WITH_KNOTS' IN 
               TYPEOF(SELF));
  END_ENTITY; -- b_spline_surface

Explicit Attributes

Entity b_spline_surface has the following local and inherited explicit attributes:
AttributeTypeDefined By
 namelabel (STRING)representation_item
 u_degreeINTEGERb_spline_surface
 v_degreeINTEGERb_spline_surface
 control_points_listLIST OF LIST OF cartesian_point (ENTITY)b_spline_surface
 surface_formb_spline_surface_form (ENUM)b_spline_surface
 u_closedLOGICALb_spline_surface
 v_closedLOGICALb_spline_surface
 self_intersectLOGICALb_spline_surface

Derived Attributes

Entity b_spline_surface has the following local and inherited derived attributes:
AttributeTypeDefined By
 dimdimension_count (INTEGER)geometric_representation_item
 u_upperINTEGERb_spline_surface
 v_upperINTEGERb_spline_surface
 control_pointsARRAY OF ARRAY OF cartesian_point (ENTITY)b_spline_surface

Inverse Attributes

    No Inverse Attributes

Supertypes

Entity b_spline_surface inherits from the following supertypes:
  representation_item
    geometric_representation_item
      surface
        bounded_surface

Subtypes

Entity b_spline_surface has the following subtypes:
    b_spline_surface_with_knots*
    bezier_surface*
    quasi_uniform_surface*
    rational_b_spline_surface*
    uniform_surface*
* - Immediate Subtypes

Referenced By

Entity b_spline_surface and its supertypes are referenced by the following definitions:
DefinitionTypeReferenced Entity
 acyclic_mapped_item_usage FUNCTION representation_item
 acyclic_mapped_representation FUNCTION representation_item
 acyclic_surface_replica FUNCTION surface
 associated_surface FUNCTION surface
 axis1_placement ENTITY geometric_representation_item
 axis2_placement_2d ENTITY geometric_representation_item
 basis_surface_check FUNCTION surface
 basis_surface_check FUNCTION b_spline_surface
 bounded_surface ENTITY b_spline_surface
 b_spline_surface_with_knots ENTITY b_spline_surface
 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_on_surface ENTITY surface
 curve_bounded_surface ENTITY surface
 degenerate_pcurve ENTITY geometric_representation_item
 degenerate_pcurve ENTITY surface
 dimension_of FUNCTION geometric_representation_item
 draughting_group_element SELECT surface
 face_surface ENTITY surface
 gbsf_check_surface FUNCTION surface
 gbsf_check_surface FUNCTION b_spline_surface
 geometric_elements_belong_to_layers RULE surface
 geometric_representation_item ENTITY surface
 geometric_set_select SELECT surface
 get_basis_surface FUNCTION surface
 item_in_context FUNCTION representation_item
 layered_item SELECT representation_item
 mapped_item ENTITY representation_item
 offset_surface ENTITY surface
 pcurve ENTITY surface
 pcurve ENTITY geometric_representation_item
 pcurve_or_surface SELECT surface
 point_on_surface ENTITY surface
 rational_b_spline_surface ENTITY b_spline_surface
 rectangular_trimmed_surface ENTITY surface
 representation ENTITY representation_item
 representation_map ENTITY representation_item
 styled_item ENTITY representation_item
 style_context_select SELECT representation_item
 surface ENTITY bounded_surface
 surface_curve ENTITY surface
 surface_patch ENTITY bounded_surface
 surface_replica ENTITY surface
 using_representations FUNCTION representation_item


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