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BS ISO/IEC 9592/4 : 92 AMD 9469
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INFORMATION PROCESSING SYSTEMS - COMPUTER GRAPHICS - PROGRAMMER'S HIERARCHICAL INTERACTIVE GRAPHICS SYSTEMS (PHIGS) LANGUAGE BINDINGS - PLUS LUMIERE AND SURFACES, PHIGS PLUS
15-05-1997
23-11-2012
1. Scope
2. Normative references
3. Definitions
4. The PHIGS PLUS system
4.1 About this part of ISO/IEC 9592
4.1.1 Specification and conformance
4.1.2 Registration
4.1.3 Notational conventions
4.2 Overview and concepts
4.2.1 Overview
4.2.2 Concepts
4.3 PHIGS PLUS structure elements
4.3.1 Output primitive structure elements
4.3.2 Attribute specification structure elements
4.3.3 Structure element archive
4.4 Output primitives
4.4.1 General
4.4.2 Polyline set with colour
4.4.3 Fill area set with data
4.4.4 Cell array PLUS
4.4.5 Set of fill area set with data
4.4.6 Triangle set with data
4.4.7 Triangle strip with data
4.4.8 Quadrilateral mesh with data
4.4.9 Non-uniform B-spline curve
4.4.10 Non-uniform B-spline curve with colour
4.4.11 Non-uniform B-spline surface
4.4.12 Surface trimming
4.4.13 Non-uniform B-spline surface with data
4.4.14 Area primitives and facets
4.4.15 Modelling clip
4.5 Output primitive attributes
4.5.1 General colour specification
4.5.2 Extended workstation state and description
tables
4.5.3 PHIGS PLUS attributes applied to PHIGS output
primitives
4.5.3.1 General
4.5.3.2 Polyline attributes
4.5.3.3 Polymarker attributes
4.5.3.4 Text attributes
4.5.3.5 Annotation text attributes
4.5.3.6 Fill area attributes
4.5.3.7 Fill area set attributes
4.5.3.8 Cell array attributes
4.5.3.9 Generalized drawing primitive attributes
4.5.4 Attributes applied to PHIGS PLUS output
primitives
4.5.4.1 General
4.5.4.2 Polyline set with colour attributes
4.5.4.3 Fill area set with data attributes
4.5.4.4 Cell array PLUS attributes
4.5.4.5 Set of fill area set with data attributes
4.5.4.6 Triangle set with data attributes
4.5.4.7 Triangle strip with data attributes
4.5.4.8 Quadrilateral mesh with data attributes
4.5.4.9 Non-uniform B-spline curve attributes
4.5.4.10 Non-uniform B-spline curve with colour attributes
4.5.4.11 Non-uniform B-spline surface attributes
4.5.4.12 Non-uniform B-spline surface with data attributes
4.5.4.13 Individual edge control for PHIGS PLUS area
primitives
4.5.4.14 Reflectance properties
4.5.5 Implicitly specified attributes
4.5.5.1 General
4.5.5.2 Facet normal
4.5.5.3 Facet orientation
4.5.5.4 Reflectance normal
4.5.5.5 Intrinsic colour
4.5.6 Facet culling
4.5.7 Distinguishing facets by orientation
4.5.8 Hidden line and hidden surface removal
4.5.9 Stability
4.6 The PHIGS PLUS rendering pipeline
4.6.1 General
4.6.1.1 Primitives affected by the rendering pipeline
4.6.1.2 The effect of the interior style on lighting
and shading
4.6.1.3 Aspects and attributes used in the rendering
pipeline
4.6.2 Data mapping
4.6.3 Lighting
4.6.3.1 Reflectance calculation
4.6.3.2 Light sources
4.6.3.3 Workstation light sources
4.6.4 Shading
4.6.4.1 General
4.6.4.2 Interpolation
4.6.4.3 Colour interpolation
4.6.4.4 Data interpolation
4.6.4.5 Normal-vector interpolation
4.6.4.6 Polyline shading
4.6.4.7 Interior shading
4.6.5 The rendering colour model
4.6.6 Depth cueing
4.6.7 Colour mapping
4.7 Workstations
4.8 Graphical input
4.9 Limitations
4.9.1 General
4.9.2 Non-planar geometry and data
4.9.3 Relationship of shading method to geometry
4.9.4 Normal-vector interpolation
4.9.5 Effects of transformations
4.9.6 Approximation criteria and data splines
4.10 Minimum support criteria
5. PHIGS PLUS Functional Specification
5.1 Notational Conventions
5.2 output primitive functions
5.3 Attribute specification functions
5.3.1 Bundled attribute selection
5.3.2 Individual attribute selection
5.3.3 Aspect source flag setting
5.3.4 Workstation attribute table definition
5.4 Inquiry functions
5.4.1 Introduction
5.4.2 Inquiry functions for workstation state list
5.4.3 Inquiry functions for workstation description
table
5.4.4 Inquiry functions for structure content
6. PHIGS PLUS data structures
6.1 General
6.2 Notation and Data Types
6.3 PHIGS PLUS additions and replacements to the
PHIGS description table
6.4 PHIGS PLUS additions and replacements to the
PHIGS traversal state list
6.5 PHIGS PLUS additions and replacements to the
PHIGS workstation state list
6.6 PHIGS PLUS additions and replacements to the
PHIGS workstation description table
Annex A - Function lists
A.1 Alphabetic
A.2 Order of appearance
Annex B - Error list
B.1 Implementation dependent
B.2 Output attributes
B.3 Output primitives
Annex C - Suggested reflectance formulae
C.1 Variable definitions and their sources
C.2 Reflectance formulae
Annex D - Allowable differences in PHIGS PLUS
implementations
D.1 Introduction
D.2 Workstation dependent diferences
Annex E - Suggested depth cueing formulae
E.1 Linear colour interpolation
E.2 Definitions
E.3 Formulae
Annex F - Attribute table
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