As 10303.46-1998 Industrial Automation Systems and Integration - Product Data Representation and...

8/2/2019 As 10303.46-1998 Industrial Automation Systems and Integration - Product Data Representation and Exchange Int

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AS 10303.461998ISO 10303-46:1994

Australian Standard

Industrial automation systemsand integrationProduct datarepresentation and exchange

Part 46: Integrated genericresources: Visual presentation


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This Australian Standard was prepared by Committee IT/6, Information Technologyfor Industrial Automation and Integration. It was approved on behalf of the Councilof Standards Australia on 16 June 1998 and published on 5 September 1998.

The following interests are represented on Committee IT/6:

Association of Consulting Engineers Australia

Australian Air Transport Association

Australian Chamber of Manufactures

Australian Electrical and Electronic Manufacturers Association

Australian Foundry Institute

Australian Information Industry Association

Australian Institute of Steel Construction

Australian Robot Association

Bureau of Steel Manufacturers of Australia

CSIRO Centre for Planning and Design

CSIRO Manufacturing Science and Technology

Department of Defence, Australia

Department of Industry, Science and Tourism, Australia

Federal Chamber of Automotive Industries

Institute of Engineers, Australia

Ministry of Defence New Zealand

Monash University

New South Wales TAFE CommissionNew Zealand Chambers of Commerce and Industry

New Zealand Defence Force

New Zealand Heavy Engineering Research

New Zealand Institute of Architects

New Zealand Manufacturers Federation

Royal Australian Institute of Architects

Royal Melbourne Institute of Technology

University of Auckland (New Zealand)

University of Melbourne

Review of Australian Stand ards. To keep abreast of progress in industry, Australian Standards are subject to periodic review and are kept up to date by the issue of amendments or new editions as necessary. It isimportant therefore that Standards users ensure that they are in possession of the latest edition, and anyamendments thereto.Full details of all Australian Standards and related publications will be found in the Standards AustraliaCatalogue of Publications; this information is supplemented each month by the magazine The AustralianStandard, which subscribing members receive, and which gives details of new publications, new editionsand amendments, and of withdrawn Standards.Suggestions for improvements to Australian Standards, addressed to the head office of Standards Australia,are welcomed. Notication of any inaccuracy or ambiguity found in an Australian Standard should be madewithout delay in order that the matter may be investigated and appropriate action taken.

This Standard was issued in draft form for comment as DR 98103.


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AS 10303.461998

Australian Standard

Industrial automation systemsand integrationProduct datarepresentation and exchange

Part 46: Integrated genericresources: Visual presentation

First published as AS 10303.46 1998.

Published by Standards Australia(Standards Association of Australia)1 The Crescent, Homebush, NSW 2140

ISBN 0 7337 2137 0


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ISO AS10303-41 Part 41: Integrated generic

resources: Fundamentals of productdescription and support

10303.41 Part 41: Integrated genericresources: Fundamentals of productdescription and support

10303-42 Part 42: Integrated genericresources: Geometric and topologicalrepresentation

10303.42 Part 42: Integrated genericresources: Geometric and topologicalrepresentation

10303-43 Part 43: Integrated genericresources: Representation structures

10303.43 Part 43: Integrated genericresources: Representation structures

ISO/IEC8824 Information technology Open

Systems Interconnection AbstractSyntax Notation One (ASN.1)

8824-1 Part 1: Specification of basic notation

Copyright STANDARDS AUSTRALIAUsers of Standards are reminded that copyright subsists in all Standards Australia publications and software. Except where theCopyright Act allows and except where provided for below no publications or software produced by Standards Australia may bereproduced, stored in a retrieval system in any form or transmitted by any means without prior permission in writing fromStandards Australia. Permission may be conditional on an appropriate royalty payment. Requests for permission and informationon commercial software royalties should be directed to the head office of Standards Australia.

Standards Australia will permit up to 10 percent of the technical content pages of a Standard to be copied for useexclusively in-house by purchasers of the Standard without payment of a royalty or advice to Standards Australia.

Standards Australia will also permit the inclusion of its copyright material in computer software programs for no royalty

payment provided such programs are used exclusively in-house by the creators of the programs.Care should be taken to ensure that material used is from the current edition of the Standard and that it is updated whenever theStandard is amended or revised. The number and date of the Standard should therefore be clearly identified.

The use of material in print form or in computer software programs to be used commercially, with or without payment, or incommercial contracts is subject to the payment of a royalty. This policy may be varied by Standards Australia at any time.


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CONTENTS

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1 Scope . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

2 Normative references . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

3 Definit ions and abbreviat ions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33.1 Terms def ined in ISO 10303-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33.2 Terms def ined in this part of ISO 10303 . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

3.2 .1 annotation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33.2 .2 displayable product information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33.2.3 layer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33.2 .4 picture . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33.2 .5 presentat ion information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43.2.6 realistic presentation of properties . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43.2 .7 state vari able . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43.2 .8 symbol . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43.2.9 symbolic presentation of properties . . . . . . . . . . . . . . . . . . . . . . . . . . . 43.2 .10 synthet ic camera model . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43.2 .11 visualization . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

3.3 Abbreviations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

4 Presentat ion organizat ion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54.1 In troduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64.2 Fundamental concepts and assumptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

4.2 .1 Presentation hierarchy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

4.2 .2 Camera model and project ion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 114.2 .3 Layers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 124.2.4 Association of presentation with a product model . . . . . . . . . . . . . . . . 12

4.3 Presentation organization schema type definitions . . . . . . . . . . . . . . . . . . . . . 124.3.1 presentation_size_assignment_select . . . . . . . . . . . . . . . . . . . . . . . . . 124.3 .2 area_or_view . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 124.3.3 central_or_parallel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 134.3 .4 layered_it em . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 134.3.5 presentation_representation_select . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

4.4 Presentation organization schema entity definitions: presentation hierarchy . . . . . 144.4 .1 presentation_set . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 144.4.2 presentat ion_representation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

4.4 .3 presentation_area . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 154.4 .4 area_in_set . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 164.4.5 presentat ion_view . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 164.4.6 area_dependent_annotation_representation . . . . . . . . . . . . . . . . . . . . . 164.4.7 product_data_representation_view . . . . . . . . . . . . . . . . . . . . . . . . . . . 174.4.8 view_dependent_annotation_representation . . . . . . . . . . . . . . . . . . . . 184.4.9 presentat ion_size . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 194.4.10 background_colour . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 204.4.11 presentation_representation_relationship . . . . . . . . . . . . . . . . . . . . . . 204.4.12 graphical_transformation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22


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4.5 Presentation organization schema entity definitions: camera model andproject ion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

4.5 .1 camera_model . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 234.5 .2 camera_model_d2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 244.5.3 camera_model_d2_shape_clipping . . . . . . . . . . . . . . . . . . . . . . . . . . . 254.5 .4 camera_model_d3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 254.5 .5 view_volume . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 264.5.6 camera_model_d3_with_hlhsr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 304.5.7 camera_model_d3_multi_clipping . . . . . . . . . . . . . . . . . . . . . . . . . . . 304.5.8 camera_model_with_light_sources . . . . . . . . . . . . . . . . . . . . . . . . . . 304.5 .9 light_source . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 314.5.10 l ight_source_ambient . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 314.5.11 light_source_directional . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 324.5.12 l ight_source_posi tional . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 324.5.13 l ight_source_spot . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 334.5.14 camera_image . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 344.5.15 camera_usage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

4.6 Presentation organization schema entity definitions: layers . . . . . . . . . . . . . . . 364.6.1 presentat ion_layer_assignment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 364.6.2 representation_item_dependent_layer_assignment . . . . . . . . . . . . . . . . 364.6.3 presentat ion_layer_usage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37

4.7 Presentation organization schema entity definitions: association of presentation and product model . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38

4.7.1 presented_i tem_representat ion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 384.7 .2 presented_it em . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38

4.8 Presentation organization schema rule definitions . . . . . . . . . . . . . . . . . . . . . 394.8.1 symbol_representation_rule . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39

4.9 Presentation organization schema function definitions . . . . . . . . . . . . . . . . . . 394.9.1 acyclic_presentation_representation_relationship . . . . . . . . . . . . . . . . . 39

5 Presentat ion def init ion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 405.1 In troduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 425.2 Fundamental concepts and assumptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . 425.3 Presentation definition schema type definitions . . . . . . . . . . . . . . . . . . . . . . . 43

5.3 .1 text_delineation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 435.3.2 def ined_symbol_select . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 445.3 .3 text_or_character . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 445.3 .4 text_alignment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 445.3.5 def ined_glyph_select . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 455.3 .6 text_path . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45

5.4 Presentation definition schema entity definitions: annotation primitives . . . . . . 465.4.1 annotat ion_fi ll_area . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 465.4.2 def ined_symbol . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 485.4 .3 def ined_table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 485.4 .4 symbol_target . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 495.4.5 pre_def ined_symbol . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 495.4.6 externally_defined_symbol . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 495.4 .7 annotation_symbol . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50


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5.4.8 annotat ion_table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 505.4.9 symbol_representation_map . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 525.4.10 symbol_representation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 525.4.11 symbol_representation_with_blanking_box . . . . . . . . . . . . . . . . . . . . . 535.4.12 table_representat ion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 535.4.13 table_record_representation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 535.4.14 table_record_field_representation . . . . . . . . . . . . . . . . . . . . . . . . . . . 545.4.15 table_record_field_representation_with_clipping_box . . . . . . . . . . . . . 545.4.16 symbol_representation_relationship . . . . . . . . . . . . . . . . . . . . . . . . . . 555.4.17 table_representation_relationship . . . . . . . . . . . . . . . . . . . . . . . . . . . 565.4.18 annotat ion_text . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 575.4.19 annotation_text_with_extent . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 575.4.20 annotation_text_with_delineation . . . . . . . . . . . . . . . . . . . . . . . . . . . 585.4.21 annotation_text_with_blanking_box . . . . . . . . . . . . . . . . . . . . . . . . . . 585.4.22 annotation_text_with_associated_curves . . . . . . . . . . . . . . . . . . . . . . . 585.4.23 text_string_representation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 595.4.24 annotation_text_character . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 605.4.25 def ined_character_glyph . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 615.4.26 externally_defined_character_glyph . . . . . . . . . . . . . . . . . . . . . . . . . . 615.4.27 pre_defined_character_glyph . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 615.4.28 text_li tera l . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 625.4.29 text_literal_with_extent . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 625.4.30 text_literal_with_delineation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 635.4.31 text_literal_with_blanking_box . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 635.4.32 text_literal_with_associated_curves . . . . . . . . . . . . . . . . . . . . . . . . . . 635.4.33 composi te_text . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 645.4.34 composite_text_with_extent . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64

5.4.35 composite_text_with_delineation . . . . . . . . . . . . . . . . . . . . . . . . . . . . 645.4.36 composite_text_with_blanking_box . . . . . . . . . . . . . . . . . . . . . . . . . . 655.4.37 composite_text_with_associated_curves . . . . . . . . . . . . . . . . . . . . . . . 65

5.5 Presentation definition schema entity definitions: annotation occurrences . . . . . 655.5.1 annotat ion_occurrence . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 655.5.2 annotat ion_point_occurrence . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 665.5.3 annotat ion_curve_occurrence . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 665.5.4 annotation_fill_area_occurrence . . . . . . . . . . . . . . . . . . . . . . . . . . . . 675.5.5 annotat ion_text_occurrence . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 675.5.6 annotation_symbol_occurrence . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 685.5.7 annotation_table_occurrence . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 685.5.8 annotation_occurrence_relationship . . . . . . . . . . . . . . . . . . . . . . . . . . 685.5.9 table_text_relat ionship . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69

5.6 Presentation definition schema function definitions . . . . . . . . . . . . . . . . . . . . 705.6.1 acycl ic_composite_text . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 705.6.2 acyclic_symbol_representation_relationship . . . . . . . . . . . . . . . . . . . . 715.6 .3 fi eld_in_tab le . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72


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6 Presentat ion appearance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 746.1 In troduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 766.2 Fundamental concepts and assumptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76

6.2.1 Assignment of presentation style . . . . . . . . . . . . . . . . . . . . . . . . . . . . 766.2.2 Types of presentation styles . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 776.2.3 Approximation tolerances . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 796.2.4 Occlusion and invis ibil ity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79

6.3 Presentation appearance schema type definitions . . . . . . . . . . . . . . . . . . . . . . 806.3.1 s tyle_context_select . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 806.3.2 presentat ion_style_select . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 806.3 .3 nul l_style . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 806.3 .4 marker_select . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 816.3 .5 marker_type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 816.3 .6 size_select . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 826.3.7 curve_font_or_scaled_curve_font_select . . . . . . . . . . . . . . . . . . . . . . 826.3.8 curve_style_font_select . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 826.3.9 squared_or_rounded . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 836.3.10 f il l_style_select . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 836.3.11 fil l_area_style_tile_shape_select . . . . . . . . . . . . . . . . . . . . . . . . . . . . 836.3.12 curve_or_annotation_curve_occurrence . . . . . . . . . . . . . . . . . . . . . . . 846.3.13 surface_side . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 856.3.14 surface_side_style_select . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 856.3.15 surface_style_element_select . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 856.3.16 curve_or_render . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 866.3.17 shading_curve_method . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 866.3.18 direction_count_select . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 866.3.19 u_direction_count . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87

6.3.20 v_direction_count . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 876.3.21 shading_surface_method . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 876.3.22 rendering_properties_select . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 886.3.23 character_style_select . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 896.3.24 text_just if icat ion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 896.3.25 box_characteristic_select . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 896.3 .26 box_height . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 906.3 .27 box_width . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 906.3.28 box_slant_angle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 906.3.29 box_rotate_angle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 906.3.30 character_spacing_select . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 916.3.31 symbol_style_select . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 916.3.32 tolerance_select . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 926.3.33 approximation_method . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 926.3.34 tolerance_deviation_select . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 936.3.35 curve_tolerance_deviation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 946.3.36 surface_tolerance_deviation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 946.3.37 product_or_presentation_space . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 946.3.38 tolerance_parameter_select . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 946.3.39 curve_tolerance_parameter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 956.3.40 surface-tolerance_parameter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 956.3.41 hiding_or_blanking_select . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 956.3.42 invis ibil ity_context . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 966.3.43 invis ible_i tem . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 96


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6.4 Presentation appearance schema entity definitions: style assignment . . . . . . . . 966.4 .1 styled_it em . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 966.4.2 over_riding_styled_item . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 976.4.3 context_dependent_over_riding_styled_item . . . . . . . . . . . . . . . . . . . . 976.4.4 presentat ion_style_assignment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 986.4.5 presentat ion_style_by_context . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 996.4.6 pre_defined_presentation_style . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1006.4.7 externally_defined_style . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100

6.5 Presentation appearance schema entity definitions: presentation styles forpoints . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100

6.5 .1 point_sty le . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1006.5.2 pre_def ined_marker . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1016.5.3 pre_def ined_size . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 101

6.6 Presentation appearance schema entity definitions: presentation styles forcurves . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 101

6.6 .1 curve_style . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1016.6.2 curve_style_with_ends_and_corners . . . . . . . . . . . . . . . . . . . . . . . . 1026.6.3 curve_style_with_extension . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1026.6.4 pre_def ined_curve_font . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1036.6.5 externally_defined_curve_font . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1036.6.6 curve_style_font . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1046.6.7 curve_style_font_pattern . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1046.6 .8 curve_style_wide . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1056.6.9 curve_style_curve_pattern_set . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1056.6.10 curve_style_curve_pattern . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1056.6.11 curve_style_font_and_scaling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 106

6.7 Presentation appearance schema entity definitions: presentation styles for

f il l areas . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1076.7.1 f il l_area_style . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1076.7.2 f il l_area_style_colour . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1076.7.3 pre_def ined_hatch_style . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1086.7.4 externally_defined_hatch_style . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1086.7.5 f il l_area_style_hatching . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1086.7.6 pre_def ined_t ile_style . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1096.7.7 externally_defined_ti le_style . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1106.7.8 f il l_area_style_t iles . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1106.7.9 fil l_area_style_tile_curve_with_style . . . . . . . . . . . . . . . . . . . . . . . . 1106.7.10 fil l_area_style_tile_coloured_region . . . . . . . . . . . . . . . . . . . . . . . . 1116.7.11 fil l_area_style_tile_symbol_with_style . . . . . . . . . . . . . . . . . . . . . . 1116.7.12 pre_def ined_t ile . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1116.7.13 externally_defined_tile . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1126.7.14 one_direction_repeat_factor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1126.7.15 two_direction_repeat_factor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 113


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6.8 Presentation appearance schema entity definitions: presentation styles forsurfaces . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 114

6.8.1 surface_style_usage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1146.8.2 pre_defined_surface_side_style . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1146.8.3 surface_side_style . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1146.8.4 surface_style_f il l_area . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1156.8.5 surface_style_boundary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1156.8.6 curve_style_rendering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1166.8.7 surface_rendering_propert ies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1166.8.8 surface_style_si lhouet te . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1166.8.9 surface_style_segmentation_curve . . . . . . . . . . . . . . . . . . . . . . . . . . 1176.8.10 surface_style_control_grid . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1176.8.11 surface_style_parameter_line . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1186.8.12 surface_style_rendering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1186.8.13 surface_style_rendering_with_properties . . . . . . . . . . . . . . . . . . . . . 1186.8.14 surface_style_reflectance_ambient . . . . . . . . . . . . . . . . . . . . . . . . . . 1196.8.15 surface_style_reflectance_ambient_diffuse . . . . . . . . . . . . . . . . . . . . 1196.8.16 surface_style_reflectance_ambient_diffuse_specular . . . . . . . . . . . . . 1206.8.17 surface_style_transparent . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 120

6.9 Presentation appearance schema, entity definitions: presentation styles fortext . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 121

6.9 .1 text_style . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1216.9.2 character_glyph_style_stroke . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1216.9.3 character_glyph_style_outline . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1216.9.4 character_glyph_style_outline_with_characteristics . . . . . . . . . . . . . . 1226.9.5 text_style_for_defined_font . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1226.9.6 text_style_with_justification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 122

6.9.7 text_style_with_box_characteristics . . . . . . . . . . . . . . . . . . . . . . . . . 1236.9.8 text_style_with_spacing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1236.9.9 pre_defined_character_spacing . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1246.9.10 text_style_with_mirror . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 124

6.10 Presentation appearance schema entity definitions: presentation styles forsymbols . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 124

6.10.1 symbol_style . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1246.10.2 symbol_element_style . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1256.10.3 symbol_colour . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 126

6.11 Presentation appearance schema entity definitions: approximation tolerances . 1266.11.1 approximation_tolerance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1266.11.2 approximation_tolerance_deviation . . . . . . . . . . . . . . . . . . . . . . . . . 1266.11.3 approximation_tolerance_parameter . . . . . . . . . . . . . . . . . . . . . . . . . 127

6.12 Presentation appearance schema entity definitions: occlusion and visibility . . 1286.12.1 occlusion_precedence . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1286.12.2 invis ibil ity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1286.12.3 context_dependent_invisibility . . . . . . . . . . . . . . . . . . . . . . . . . . . . 129

6.13 Presentation appearance schema function definitions . . . . . . . . . . . . . . . . . . 1296.13.1 acyclic_occlusion_precedence . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 129


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7 Presentat ion resource schema . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1317.1 In troduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1327.2 Presentation resource schema type definitions . . . . . . . . . . . . . . . . . . . . . . . 132

7.2.1 s ta ircase_or_linear . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1327.2 .2 presentable_text . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1337.2 .3 font_select . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 133

7.3 Presentation resource schema entity definitions . . . . . . . . . . . . . . . . . . . . . . 1337.3.1 character_glyph_symbol . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1337.3.2 character_glyph_symbol_stroke . . . . . . . . . . . . . . . . . . . . . . . . . . . 1347.3.3 character_glyph_symbol_outline . . . . . . . . . . . . . . . . . . . . . . . . . . . 1357.3.4 character_glyph_font_usage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1367.3 .5 text_font . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1367.3.6 text_font_family . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1367.3.7 text_font_in_family . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1377.3.8 externally_defined_text_font . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1377.3.9 pre_def ined_text_font . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1387.3 .10 colour . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1387.3.11 colour_specif icat ion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1387.3 .12 colour_rgb . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1387.3.13 colour_associated . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1397.3.14 colour_associat ion_table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1407.3.15 state_variable_with_colour . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1407.3.16 pre_def ined_colour . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1417.3.17 planar_extent . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1417.3 .18 planar_box . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1417.3.19 presentation_scaled_placement . . . . . . . . . . . . . . . . . . . . . . . . . . . . 142


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Annexes

A Short names of ent it ies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 143

B Information object registration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 150B.1 Document ident if icat ion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 150B.2 Schema ident if icat ion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 150

B.2.1 presentation_organisation_schema identification . . . . . . . . . . . . . . . . 150B.2.2 presentation_definition_schema identification . . . . . . . . . . . . . . . . . . 150B.2.3 presentation_appearance_schema identification . . . . . . . . . . . . . . . . . 150B.2.4 presentation_resource_schema identification . . . . . . . . . . . . . . . . . . . 151

C Computer-interpretable listings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 152

D Technical discussions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 153D.1 Symbols used in reflectance equations . . . . . . . . . . . . . . . . . . . . . . . . . . . . 153D.2 Suggested reflectance equat ions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 154

E EXPRESS-G diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 156

F Bibliography . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 199

Index . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 200

Figures

1 Presentat ion hierarchy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

2 Example of a presentation hierarchy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

3 Mapping the presentation hierarchy to instances of entities . . . . . . . . . . . . . . . . . . . . 10

4 Association of presentation_view and presentation_area using mapped_item . . . . . . . . 11

5 Graphical transformation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

6 Camera model d2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

7 View volume, projection type CENTRAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

8 View volume, projection type PARALLEL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

9 Light source direct ional . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32

10 Light source posi tional . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

11 Light source spot . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

12 Examples of text del ineation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44

13 Examples of text a lignment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45

14 Filling of annotation fill areas . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47

15 Examples of annotation symbols . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51

16 Squared or rounded . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 84


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17 Box slant and rota te angle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91

18 Chordal deviation and length . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93

19 Curve style with extension . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 103

20 Curve style curve pattern . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 106

21 Fil l area s tyle hatching . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 109

22 One direct ion repeat factor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 112

23 Two direct ion repeat factor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 113

24 Text s tyle with mirror . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 125

25 Character glyph symbols . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 135

E.1 presentation_organisation_schema EXPRESS-G diagram 1 of 7 . . . . . . . . . . . . . 157







E.8 presentation_definition_schema EXPRESS-G diagram 1 of 9 . . . . . . . . . . . . . . 164









E.17 presentation_appearance_schema EXPRESS-G diagram 1 of 21 . . . . . . . . . . . . . 173








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E.26 presentation_appearance_schema EXPRESS-G diagram 10 of 21 . . . . . . . . . . . . 182












E.38 presentation_resource_schema EXPRESS-G diagram 1 of 5 . . . . . . . . . . . . . . . 194





Tables

A.1 Short names of enti ties . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 143

D.1 PHIGS PLUS annex E : Variable definition and their sources . . . . . . . . . . . . . . . . 153


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NOTES


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