Proceedings of the 10th annual conference on Computer graphics and interactive techniques最新文献

{"title":"Geometric modelling and display primitives towards specialised hardware","authors":"A. L. Thomas","doi":"10.1145/800059.801161","DOIUrl":"https://doi.org/10.1145/800059.801161","url":null,"abstract":"Work over the last ten years developing a simple geometric modelling scheme has led to the design of a high speed display processor capable of generating real time moving displays directly from a three dimensional model. The geometric model consists of a graph-matrix boundary representation linked to a boolean expression volume overlap representation. The architecture of the display processor is particularly suitable for implementation as a pipeline of VLSI components, and current work is exploring this possibility. A divide and conquer, quad tree algorithm applied to the boolean expression model allows the system to make use of scene coherence, and used with the hardware will make it possible to handle scenes of high complexity.","PeriodicalId":381383,"journal":{"name":"Proceedings of the 10th annual conference on Computer graphics and interactive techniques","volume":"10 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1983-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124962448","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Spatial input/display correspondence in a stereoscopic computer graphic work station","authors":"C. Schmandt","doi":"10.1145/800059.801156","DOIUrl":"https://doi.org/10.1145/800059.801156","url":null,"abstract":"An interactive stereoscopic computer graphic workspace is described. A conventional frame store is used for three-dimensional display, with left/right eye views interlaced in video and viewed through PLZT shutter glasses. The video monitor is seen reflected from a half silvered mirror which projects the graphics into a workspace, into which one can reach and manipulate the image directly with a “magic wand”. The wand uses a magnetic six degree-of-freedom digitizer. In an alternative configuration, a graphics tablet was placed within the workspace for input intensive tasks.","PeriodicalId":381383,"journal":{"name":"Proceedings of the 10th annual conference on Computer graphics and interactive techniques","volume":"89 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1983-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126492035","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"INCENSE: A system for displaying data structures","authors":"B. Myers","doi":"10.1145/800059.801140","DOIUrl":"https://doi.org/10.1145/800059.801140","url":null,"abstract":"Many modern computer languages allow the programmer to define and use a variety of data types. Few programming systems, however, allow the programmer similar flexibility when displaying the data structures for debugging, monitoring and documenting programs. Incense is a working prototype system that allows the programmer to interactively investigate data structures in actual programs. The desired displays can be specified by the programmer or a default can be used. The default displays provided by Incense present the standard form for literals of the basic types, the actual names for scalar types, stacked boxes for records and arrays, and curved lines with arrowheads for pointers. In addition to displaying data structures, Incense also allows the user to select, move, erase and redimension the resulting displays. These interactions are provided in a uniform, natural manner using a pointing device (mouse) and keyboard.","PeriodicalId":381383,"journal":{"name":"Proceedings of the 10th annual conference on Computer graphics and interactive techniques","volume":"44 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1983-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133380335","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"An inexpensive scheme for calibration of a colour monitor in terms of CIE standard coordinates","authors":"W. Cowan","doi":"10.1145/800059.801163","DOIUrl":"https://doi.org/10.1145/800059.801163","url":null,"abstract":"The Commission Internationale d'Eclairage system of colorimetry is a method of measuring colours that has been standardized, and is widely used by industries involved with colour. Knowing the CIE coordinates of a colour allows it to be reproduced easily and exactly in many different media. For this reason graphics installations which utilize colour extensively ought to have the capability of knowing the CIE coordinates of displayed colours, and of displaying colours of given CIE coordinates. Such a capability requires a function which transforms video monitor gun voltages (RGB colour space) into CIE coordinates (XYZ colour space), and vice versa. The function incorporates certain monitor parameters. The purpose of this paper is to demonstrate the form that such a function takes, and to show how the necessary monitor parameters can be measured using little more than a simple light meter. Because space is limited, and because each user is likely to implement the calibration differently, few technical details are given, but principles and methods are discussed in sufficient depth to allow the full use of the system. In addition, several visual checks which can be used for quick verification of the integrity of the calibration are described. The paper begins with an overview of the CIE system of colorimetry. It continues with a general discussion of transformations from RGB colour space to XYZ colour space, after which a detailed step-by-step procedure for monitor calibration is presented.","PeriodicalId":381383,"journal":{"name":"Proceedings of the 10th annual conference on Computer graphics and interactive techniques","volume":"25 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1983-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121234873","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Japanese computer graphics: Challenges and opportunities","authors":"T. Kunii, Laurin Herr, T. Ikedo, Kazukiyo Ishimura, K. Iwata, Kazuo Naito, Shohei Saimi","doi":"10.1145/800059.801154","DOIUrl":"https://doi.org/10.1145/800059.801154","url":null,"abstract":"PANEL COORDINATOR'S INTRODUCTORY REMARKS Japanese interest in computer graphics in the past has been led by users whose needs have been satisfied primarily by U. S. sources. However, as the Japanese market has grown, domestic players have emerged, especially commercial production companies and venture-type hardware manufacturers. In the world of commercial production, this trend has been spurred by the cross-cultural difficulties and expenses of trans-Pacific projects, as well as the new accessibility of computer graphics production technology. In the hardware field, this tendency has been fed by rapid Japanese advances in semiconductor memories and color monitors. Growing Japanese strength in computer graphics is important to the international community for several reasons. First, it confirms the viability and sales potential of the domestic Japanese market. Second, it increases competition within Japan. Third, it will probably increase competition outside of Japan as well. Fourth, this competition should stimulate development of superior products at a lower cost, yielding considerable benefit to users. Fifth, there will be many new opportunities for internationally- minded distributors, systems builders, software suppliers and R & D groups. Finally, if approached correctly, Japan can be a source of fresh aesthetic and technical input. During the past few years, many Japanese have made extensive efforts to learn everything they can about computer graphics. Numerous foreign experts have been invited to Japan to lecture at conferences. The Japanese themselves have criss-crossed America visiting major computer graphics installations. At Siggraph'82 238 Japanese registered for tutorials and technical sessions and many more attended the hardware exposition. Japanese press coverage was aggressive. This panel is an attempt to balance the information flow by offering Siggraph attendees an opportunity to educate themselves about Japanese computer graphics. CHAIRMAN'S INTRODUCTION: While the Japanese electronics industry in general has been dominated by a few large firms, the computer graphics industry in Japan has been led by a number of small, venture-type companies offering original technology and close customer support. They are self- sustaining and not part of so-called “Japan Inc”. Currently, there are quite a number of these firms with a relatively high level of hardware and software expertise. This knowledge base has been developing for some time. For example, in association with some of the earlier companies, the Tokyo Raster Computer Graphics (TRCG) Project was begun in 1968 to develop a raster system capable of displying 4096 colors concurrently. The partial results the TRCG research were reported at the first Siggraph Conference held in Boulder, Colorado in 1974. This panel will examine progress since that time. The panelists were selected to fairly represent the people behind the development of Japanese computer graphics companies who signifi","PeriodicalId":381383,"journal":{"name":"Proceedings of the 10th annual conference on Computer graphics and interactive techniques","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1983-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129047995","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"A core graphics environment for teletext simulations","authors":"Douglas F. Dixon","doi":"10.1145/800059.801148","DOIUrl":"https://doi.org/10.1145/800059.801148","url":null,"abstract":"The development of our graphics environment over the past year has been directed towards demonstrating the concept of broadcast teletext service, where pages of graphics and text are received in the home over existing television channels. We have developed a graphics editor, Radix, which uses an underlying Core graphics package to create teletext-compatible images. Radix is also used to display these images at arbitrary resolutions by scaling the graphics primitives, selecting the corresponding sizes of fonts and bitmaps, and then precisely adjusting the output video signal. The combination of powerful display hardware and a robust set of software tools has allowed us to rapidly prototype potential teletext features, and to provide these accurate simulations of teletext pages at any resolution. While this general graphics environment does impose some inefficiencies in running graphics applications, they are far outweighed by the ability to quickly respond to changing requirements.","PeriodicalId":381383,"journal":{"name":"Proceedings of the 10th annual conference on Computer graphics and interactive techniques","volume":"2016 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1983-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127499692","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}