This paper describes an automated intent-based approach to illustration. An illustrution is a picture that is designed to fulfill a communicative intent such as showing the location of an object or showing how an object is manipulated. An illustration is generated by implementing a set of stylistic decisions, ranging from determining the way in which an individual object is lit, to deciding the general composition of the illustration. The design of an illustration is treated as a goal-driven process within a system of constraints. The goal is to achieve communicative intent; the constraints are the illustrative techniques an illustrator can apply.We have developed IBIS (Intent-Based Illustration System), a system that puts these ideas into practice. IBIS designs illustrations using a generate-and-test approach, relying upon a rule-based system of methods and evaluators. Methods are rules that specify how to accomplish visual effects, while evaluators are rules that specify how to determine how well a visual effect is accomplished in an illustration. Examples of illustrations designed by IBIS are included.

/pdf/automated-generation-of-intent-based-3d-illustrations-59gmhgfjn1.pdf

Automated generation of intent-based 3D Illustrations

Computer graphics and CAD literature—A keyword-indexed bibliography

The Automated Network Diagram Designer (ANDD) designs network diagrams automatically to communicate given information ANDD makes all the design decisions a human graphic designer would make when designing a network diagram: it determines how different types of information should be expressed graphically, specifies a desirable perceptual organization for the diagram, picks appropriate graphical-property values for symbols in the diagram and computes an aesthetic layout that exhibits appropriate perceptual groupings The ANDD system uses a formal specification scheme for describing the syntax, semantics and pragmatics of network diagrams The network-diagram syntax described below differs from previous work in two ways: perceptual organization is represented explicitly and syntax is specified using constraints rather than term-rewriting rules The semantic/pragmatic specification used by ANDD is also novel: it supports the notion of mutable semantics and relates the information to be communicated directly to the graphical properties of symbols and to the overall perceptual organization of a diagram

A formal specification scheme for network diagrams that facilitates automated design

IBIS (Intent-Based Illustration System) generates illustrations automatically, guided by communicative goals. Communicative goals specify that particular properties of objects, such as their color, size, or location are to be conveyed in the illustration. IBIS is intended to be part of an interactive multimedia explanation generation system. It has access to a knowledge base that contains a collection of objects, including information about their geometric properties, material, and location. As the goals are interpreted by a rule-based control component, the system generates a precise definition of the final illustration. If IBIS determines that a set of goals cannot be satisfied in a single picture, then it attempts to create a composite illustration that has multiple viewports. For example, a composite illustration may contain a nested inset illustration showing an object in greater detail than is possible in the parent picture. Each component illustration is defined by its placement, size, viewing specification, lighting specification, and list of objects to be displayed and their graphical style.

/pdf/specifying-composite-illustrations-with-communicative-goals-5doaf96meo.pdf

Specifying composite illustrations with communicative goals

In this paper we present the system AWI (A Workbench for semi-automated Illustration design). AWI provides operationalizations of illustration techniques frequently used in technical illustration. Given that pure editing systems are too low-level, and that automatically generated illustrations are often suboptimal with regard to functional and aesthetic aspects, semi-automatism seems a reasonable way to produce effective illustrations more efficiently. Within such an approach the collaboration between user and system is twofold. While the user may have the system to provide a first draft which then will be refined through post editing, a user's draft may be evaluated and improved by the system as well. After an introduction of the essential concepts we base on, we give an outline of the workbench AWI. Examples serve to show the making of illustrations with AWI in a semi-automated manner. Finally we describe potential application areas for AWI.

AWI: a workbench for semi-automated illustration design

A technique is presented for automatically synthesizing graphical object descriptions from high-level specifications. The technique includes mechanisms for describing, selecting, and combining prim...

Automatic synthesis of graphical object descriptions

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Automatic synthesis of graphical object descriptions