Integrated generic resource: Visual presentation ISO 10303-46:2021(E)
© ISO

Cover page
Table of contents
Copyright
Foreword
Introduction
1 Scope
2 Normative references
3 Terms, definitions and abbreviated terms
    3.1 Terms and definitions
    3.2 Abbreviated terms

4 Presentation organization
   4.1 General
   4.2 Fundamental concepts and assumptions
   4.3 Presentation organization type definitions
   4.4 Presentation organization entity definitions
   4.5 Presentation organization subtype constraint definition
   4.6 Presentation organization function definitions
   4.7 Presentation organization rule definitions
5 Presentation definition
   5.1 General
   5.2 Fundamental concepts and assumptions
   5.3 Presentation definition type definitions
   5.4 Presentation definition entity definitions
   5.5 Presentation definition subtype constraint definition
   5.6 Presentation definition function definitions
6 Presentation appearance
   6.1 General
   6.2 Fundamental concepts and assumptions
   6.3 Presentation appearance type definitions
   6.4 Presentation appearance entity definitions
   6.5 Presentation appearance subtype constraint definitions
   6.6 Presentation appearance function definitions
7 Presentation resource
   7.1 General
   7.2 Fundamental concepts and assumptions
   7.3 Presentation resource type definitions
   7.4 Presentation resource entity definitions
   7.5 Presentation resource subtype constraint definition

A Short names of entities
B Information object registration
C Computer interpretable listings
D EXPRESS-G diagrams
E Technical discussion
F Change history
Bibliography
Index

(*
ISO/TC 184/SC 4/WG 12 N9794 - ISO 10303-46 Visual presentation - EXPRESS
*)


SCHEMA presentation_resource_schema;

 REFERENCE FROM external_reference_schema   -- ISO 10303-41
  (externally_defined_item,
   pre_defined_item);

REFERENCE FROM geometry_schema   -- ISO 10303-42
  (axis2_placement,
   curve,
   geometric_representation_item);

REFERENCE FROM measure_schema   -- ISO 10303-41
  (length_measure,
   positive_length_measure,
   positive_ratio_measure,
   ratio_measure);

REFERENCE FROM presentation_definition_schema   -- ISO 10303-46
  (annotation_fill_area,
   symbol_representation);

REFERENCE FROM representation_schema   -- ISO 10303-43
  (item_in_context,
   representation);

REFERENCE FROM support_resource_schema   -- ISO 10303-41
  (identifier,
   label,
   text);


TYPE font_select = SELECT
   (pre_defined_text_font,
    externally_defined_text_font,
    text_font);
END_TYPE;

TYPE staircase_or_linear = ENUMERATION OF
   (staircase,
    linear);
END_TYPE;

ENTITY character_glyph_font_usage;
  character : generic_character_glyph_symbol;
  font : text_font;
END_ENTITY;

ENTITY character_glyph_symbol
  SUBTYPE OF (generic_character_glyph_symbol);
  character_box : planar_extent;
  baseline_ratio : ratio_measure;
DERIVE
  box_height : length_measure := character_box.size_in_y;
WHERE
  WR1: {0.0 <= baseline_ratio <= 1.0};
  WR2: item_in_context(character_box, SELF\representation.context_of_items);
  WR3: 'MEASURE_SCHEMA.POSITIVE_LENGTH_MEASURE' IN TYPEOF (box_height);
END_ENTITY;

ENTITY character_glyph_symbol_outline
  SUBTYPE OF (character_glyph_symbol);
  outlines : SET[1:?] OF annotation_fill_area;
WHERE
  WR1: outlines <= SELF\representation.items;
END_ENTITY;

ENTITY character_glyph_symbol_stroke
  SUBTYPE OF (character_glyph_symbol);
  strokes : SET[1:?] OF curve;
WHERE
  WR1: strokes <= SELF\representation.items;
END_ENTITY;

ENTITY colour;
END_ENTITY;

ENTITY colour_associated
  SUBTYPE OF (colour);
  name : label;
  variable_to_be_shown : SET[1:?] OF REAL;
  mapping : colour_association_table;
END_ENTITY;

ENTITY colour_association_table;
  discrete_states_with_colours : LIST[1:?] OF state_variable_with_colour;
  interpolation_type : staircase_or_linear;
END_ENTITY;

ENTITY colour_rgb
  SUBTYPE OF (colour_specification);
  red : REAL;
  green : REAL;
  blue : REAL;
WHERE
  WR1: {0.0 <= red <= 1.0};
  WR2: {0.0 <= green <= 1.0};
  WR3: {0.0 <= blue <= 1.0};
END_ENTITY;

ENTITY colour_specification
  SUBTYPE OF (colour);
  name : label;
END_ENTITY;

ENTITY draughting_pre_defined_colour
  SUBTYPE OF (pre_defined_colour);
WHERE
  WR1: SELF\pre_defined_item.name IN ['red', 'green', 'blue', 'yellow', 'magenta', 'cyan', 'black', 'white'];
END_ENTITY;

ENTITY draughting_pre_defined_text_font
  SUBTYPE OF (pre_defined_text_font);
WHERE
  WR1: SELF\pre_defined_item.name[1:8] = 'ISO 3098';
END_ENTITY;

ENTITY externally_defined_text_font
  SUBTYPE OF (externally_defined_item);
END_ENTITY;

ENTITY generic_character_glyph_symbol
  ABSTRACT SUPERTYPE
  SUBTYPE OF (symbol_representation);
END_ENTITY;

ENTITY planar_box
  SUBTYPE OF (planar_extent);
  placement : axis2_placement;
END_ENTITY;

ENTITY planar_extent
  SUBTYPE OF (geometric_representation_item);
  size_in_x : length_measure;
  size_in_y : length_measure;
END_ENTITY;

ENTITY pre_defined_colour
  SUBTYPE OF (pre_defined_item, colour);
END_ENTITY;

ENTITY pre_defined_text_font
  SUBTYPE OF (pre_defined_item);
END_ENTITY;

ENTITY presentation_scaled_placement
  SUBTYPE OF (geometric_representation_item);
  placement : axis2_placement;
  scaling : positive_ratio_measure;
END_ENTITY;

ENTITY state_variable_with_colour;
  state_variable : REAL;
  associated_colour : colour_specification;
END_ENTITY;

ENTITY text_font;
  id : identifier;
  name : label;
  description : text;
INVERSE
  glyphs : SET[1:?] OF character_glyph_font_usage FOR font;
END_ENTITY;

ENTITY text_font_family;
  id : identifier;
  name : label;
  description : text;
INVERSE
  fonts : SET[1:?] OF text_font_in_family FOR family;
END_ENTITY;

ENTITY text_font_in_family;
  font : text_font;
  family : text_font_family;
END_ENTITY;

SUBTYPE_CONSTRAINT prs_geometric_representation_item_subtypes FOR geometric_representation_item;
  ONEOF (curve,
         planar_extent,
         presentation_scaled_placement);
END_SUBTYPE_CONSTRAINT;

END_SCHEMA;  -- presentation_resource_schema


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