An attempt is made to put into perspective the work of a number of groups in the field of information display, primarily videotext and computer graphics. Basic issues and technology are identified and described. Examp...
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An attempt is made to put into perspective the work of a number of groups in the field of information display, primarily videotext and computer graphics. Basic issues and technology are identified and described. Examples of current uses of videotext and computer graphics are given to illustrate the thesis that computer graphics will be an important method of information retrieval in the near future.
The history of computer graphics is sketched. Hardware principles are outlined, and the various types of display are described. computer graphic standards are discussed. Future developments are predicted.
The history of computer graphics is sketched. Hardware principles are outlined, and the various types of display are described. computer graphic standards are discussed. Future developments are predicted.
This book is an extensive treatise on the most up-to-date advances in computer graphics technology and its applications. Both in business and industrial areas as well as in research and development, you will see in th...
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ISBN:
(数字)9783642859625
ISBN:
(纸本)9783642859649
This book is an extensive treatise on the most up-to-date advances in computer graphics technology and its applications. Both in business and industrial areas as well as in research and development, you will see in this book an incredible devel opment of new methods and tools for computer graphics. They play essential roles in enhancing the productivity and quality of human work through computer graph ics and applications. Extensive coverage of the diverse world of computer graphics is the privilege of this book, which is the Proceedings of Intergraphics '83. This was a truly interna tional computer graphics conference and exhibit, held in Tokyo, April 11-14, 1983, sponsored by the World computer Grpphics Association (WCGA) and organized by the Japan Management Association (JMA) in coopera'tion' with ·~CM-SIGGRAPH. Intergraphics has over 15 thousands participants. This book consists of seven Chapters. The first two chapters are on the basics of computer graphics, and the remaining five chapters are dedicated to typical appli cation areas of computer graphics. Chapter 1 contains four papers on "graphics techniques". Techniques to generate jag free images, to simulate digital logic, to display free surfaces and to interact with 3 dimensional (3D) shaded graphics are presented. Chapter 2 covers "graphics standards and 3D models" in five papers. Two papers discuss the CORE standard and the GKS standard. Three papers de scribe various 3D models and their evaluations.
In the design of any visual objects, the work becomes much easier if previous designs are utilized. computer graphics is becoming increasingly important simply because it greatly helps in utilizing such previous desig...
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ISBN:
(数字)9784431680307
ISBN:
(纸本)9784431680321
In the design of any visual objects, the work becomes much easier if previous designs are utilized. computer graphics is becoming increasingly important simply because it greatly helps in utilizing such previous designs. Here, "previous designs" signifies both design results and design procedures. The objects designed are diverse. For engineers, these objects could be machines or electronic circuits, as discussed in Chap. 3, ''CA~/CAM. '' Physicians often design models of a patient's organs from computed tomography images prior to surgery or to assist in diagnosis. This is the subject of Chap. 8, "Medical graphics. " Chapter 7, "computer Art," deals with the way in which artists use computer graphics in creating beautiful visual images. In Chap. 1, "Computational Geometry," a firm basis is provided for the definition of shapes in designed objects; this is a typical technical area in which computer graphics is constantly making worldwide progress. Thus, the present volume, reflecting international advances in these and other areas of computer graphics, provides every potential or actual graphics user with the essential up-to-date information. There are, typically, two ways of gathering this current information. One way is to invite international authorities to write on their areas of specialization. Usually this works very well if the areas are sufficiently established that it is possible to judge exactly who knows what. Since computer graphics, however, is still in its developmental stage, this method cannot be applied.
About four or five years ago one began to hear about the enormous interest being taken in on-line consoles and displays. Nothing much was done with them, but computer men felt that this was the way computing ought to ...
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ISBN:
(数字)9781468485868
ISBN:
(纸本)9781468485882
About four or five years ago one began to hear about the enormous interest being taken in on-line consoles and displays. Nothing much was done with them, but computer men felt that this was the way computing ought to go: one might dispense with cards, and overcome many of the problems of man-machine communication. It quickly appeared that, as with computers, there had been a great under estimation of the amount of work involved, of the difficulties of programming, and of the cost. So it began to emerge that graphics was not the ultimate answer, in spite of superb demonstrations where one might watch a square being converted into a cube and then rotated. But my mind goes back to 1951 and the first computers. There, there were demonstrations of arithmetic speed and storage facility; but not much idea of actual use. However, we now understand how to use computers, and in the last year or two, significant developments in the field of graphics have led to genuine applications, and economic benefits. The equipment is still expensive, but it is becoming cheaper, more uses are being found, and f believe that we are just at the stage when the subject is gaining momentum, to become, like computers, a field of immense importance.
作者：
Chen, ZhaoguoCollege of Arts
Shandong Agricultural Engineering University Shandong Province Jinan250103 China
To fully harness the capabilities of computer graphics and image processing technologies and elevate the quality of visual communication design, this paper presents a comprehensive suite of innovative methodologies. F...
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Grading computer graphics programming assessments and generating formative and summative feedback can require significant effort on the part of human experts. Since these assessments generate visual outputs that can b...
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ISBN:
(纸本)9798400705328
Grading computer graphics programming assessments and generating formative and summative feedback can require significant effort on the part of human experts. Since these assessments generate visual outputs that can be static or animated, determining correctness may be subjective. For feedback to be effective, it must be delivered in a timely manner. This can be a challenge for introductory computer graphics-based courses since cohort size can be substantial, errors in visual output can be subtle, and causes of errors are often not obvious. In this paper, we explore the feasibility of an automated system for marking visual output and providing program implementation feedback for learners in an introductory computer graphics-based design course in three short programming assessments, including static and animated scenes. To assess the effectiveness of our approach, we compare the marks generated by our tool with those assigned by a human expert. We show that it is possible to automate marking, providing both a grade based on the visual output and formative feedback on source code in the style of a human marker. This can improve objective consistency, grade reproducibility, and reduce marking time, enabling a course to scale to support large cohorts without the need for more resourcing for human markers. We describe lessons learnt and potential pitfalls to assist educators with introducing automated marking for their courses. Finally, we identify areas for future refinement and development of our automated system.
Student-created cheat sheets have been used to reduce exam anxiety, de-emphasize memorization, and enable students to focus on high-level learning. Previous work has identified cheat sheet properties which correlate w...
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