共查询到20条相似文献，搜索用时 46 毫秒
1.
M. J. D. Brand 《The Photogrammetric Record》1988,12(71):629-636
The paper reviews technological developments since the Second World War and their impact as catalysts in developing the concept of digital information systems. The case for, and progress towards, the establishment of a Geographic Information System for Northern Ireland is discussed together with consideration of the possible implications elsewhere based on the experience gained in Northern Ireland. “There is a tide in the affairs of men which, taken at the flood, leads on to fortune.” Brutus in Julius Caesar, Act IV Scene iii (William Shakespeare) 相似文献
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M. J. D. Brand 《The Photogrammetric Record》1987,12(69):293-302
Since 1960, photogrammetry has played a leading role in the acquisition of survey data within the Ordnance Survey of Northern Ireland. The decision to create a digital topographic database for Northern Ireland has changed the philosophy and practice of photogrammetry within the organisation and these changes are discussed in this paper. 相似文献
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《测量评论》2013,45(16):126-128
AbstractThe death occurred suddenly on 2nd February, 1935, of Mr. WILLIAM ERNEST BARRON,of Fort Jameson, Northern Rhodesia. Mr. Barron, who was 55 years of age, held the Certificate of Land and Mine Surveyor of the School of Mines, University of Otago, New Zealand, and the Mine Surveyor's certificate of competency, Transvaal, and in 1913 was licensed as a surveyor in Northern Nigeria. In 1921 he was licensed as a surveyor for private practice in Northern Rhodesia. He was for over four years Chief Surveyor to the Van Ryn Gold Mines Estate, Ltd., and for two years to the Bantjes Consolidated Mines, Ltd., and for some time to Modderfontein East, Ltd. He was first employed in Northern Rhodesia as Mine Captain in charge of survey work at Broken Hill Mine, and from 1923 to 1928 was engaged by the Rhodesia Broken Hill Development Co., Ltd., in the survey and setting out of all work in connexion with that Company's Hydro-Electric Power Scheme at Mulungushi. Upon the completion of this work, in which Mr. Barron showed the greatest skill and accuracy under difficult conditions, he was engaged by the North Charterland Exploration Company as surveyor, and at the time of his death he was carrying out the survey of that Company's Land Concession, an area of 10,000 square miles on the south-eastern border of Northern Rhodesia. By his death the survey profession has lost an able and keen personality, and he will be greatly missed by the many friends he made in this country. He leaves a widow and son to mourn his loss. 相似文献
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《测量评论》2013,45(5):201-203
AbstractThe exhibition of cadastral maps and of land-registry and land-revenue records arranged at the Science Museum in July 1931 in connexion with the second Conference of Empire Surveyors was, we believe, the first of its kind to be held anywhere. The idea took shape slowly and required more preliminary discussion and preparation than had been anticipated. This caused the issue of notices explaining the exact nature of the exhibition to be delayed, and therefore handicapped participation, particularly by countries at a distance from England. The response made under these difficult conditions was remarkable. A most excellent and instructive series of exhibits was received from the responsible public services in the United Kingdom, all the Dominions, five Indian provinces, eleven Colonies and Protectorates, three Mandated Territories and six Foreign Countries. The resulting exhibition was so much appreciated that the desire was expressed by the Conference that the exhibits should be retained in some convenient centre in London as the nucleus of a permanent collection for reference and comparative study. 相似文献
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AbstractThis explains the formation of the Ordnance Survey of Northern Ireland as a separate institution in 1921, when it took over the map series which until that time had been part of the Ordnance Survey (U. K.) responsibility. As happened with many mapping organisations, replanning and reorganisation took place after 1945; this included a triangulation for Northern Ireland to provide a basis for a new Irt"sh Grid, and the introduction of the 1:1250 scale for major urban areas.The technical problems of reproduction and revision are then considered, and details given for each of the main series. 相似文献
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none 《The Cartographic journal》2013,50(1):3-4
AbstractThis paper describes the conservation of the first edition of the six-inches-to-one-mile Ordnance Survey maps of Ireland. It outlines the general problem of the acidity of paper on which nineteenth-century Ordnance Survey maps are printed and the peculiar problems of conserving a hand-coloured presentation set. Each stage in the process is described up to the final encapsulation of the maps in Melinex polyester film. 相似文献
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《测量评论》2013,45(12):322-328
Abstract The Ordnance Survey after the War.—I might class the four years after the War, during which I remained at the head of the Ordnance Survey, as interesting but troublesome. As is well known, an entirely unreasonable impression was spread about that, now that the War was over, there would be a period of great prosperity, and that we should all live like fighting cocks. Well, things did not work out like that. There was a Select Committee on National Expenditure (1918), and this Committee recommended a lengthening of the period of revision of the large-scale maps of the United Kingdom and a consequent, ultimate, reduction of establishment by 500 men. The Treasury later on insisted on a reduction by 600, including Ireland. 相似文献
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当前,地理国情普查在我国全面展开,数据采集工作即将完成。未来,普查成果的应用及展示将是地理国情普查的主要工作。本文论述了利用ArcGIS软件,设计、制作地理国情普查图的实现过程,为地理国情普查成果的图形化展示提供了新的思路和方法。 相似文献
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《The Cartographic journal》2013,50(1):7-17
AbstractJohn Keates is very well known for his numerous scholarly contributions to cartography as an academic discipline and science. However, throughout his career, he was also very actively involved in the design and production of maps. Mostly these were specialized thematic maps produced as the result of scientific research in the field sciences, especially in geology, glaciology and vegetation studies. However, during the 1970s he was much involved in the design and production of a considerable number of maps for recreation purposes, including maps for orienteering. Many of these maps were regarded at that time as being extremely innovative in terms of their cartographic design and layout. The article outlines the development of what became known as the 'Glasgow' style of map design John Keates' involvement with recreation maps in the 1970s. 相似文献
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H. C. Woodrow 《The Photogrammetric Record》1967,5(30):433-460
Ordnance Survey experimental work has shown that colour film developed to a reversed positive image is best suited to the photogrammetric problems of large-scale mapping. Tests have shown no difference in accuracy between maps produced from colour photography and those produced from monochrome photography. The economy of using colour photography in this field has yet to he demonstrated. 相似文献
14.
AutoCAD VBA是一种简单易上手的编程工具,通过设计批处理程序能显著提高作业效率。本文基于AutoCAD VBA平台进行程序设计,针对地形图生产中九宫格修改的具体问题,编程进行批量修改,在实践基础上形成一种基于AutoCAD VBA的通用地形图批处理方法。实践证明,该方法能明显提高测绘生产部门的工作效率。 相似文献
15.
一种大场景Web三维注记可视化技术 总被引：1，自引：0，他引：1
针对目前大场景Web三维电子地图侧重模型展示、轻海量三维注记展示，不能很好地为用户提供地图语义信息的问题，本文提出了一种面向大场景Web三维的注记可视化技术，较好地实现了海量注记在三维电子地图上的立体、逐层级展示，为三维电子地图增加了明确的语义指引。基于浙江省新型基础测绘成果的三维展示试验结果表明，所提技术能够便捷地构建三维注记LOD模型，提供三维电子地图注记服务，提升三维电子地图注记效率，其研究成果可应用于天地图、自然资源空间基础信息平台、不动产登记平台等领域。 相似文献
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提出了一种利用DOM和Li DAR点云数据的参数化建模方法,利用DOM分析地物的模型特征,通过Li DAR点云数据获取地物特征点坐标,采用特定的三角网连接方法构建出地物的三维模型,最后对模型进行贴图显示。这里所构建地物模型的方法不仅快速高效,而且自动化程度高,能够满足铁路三维GIS展示的要求;同时,由于是通过点云数据构建模型,在后期导入三维地形过程中能够大量减少安放地物模型工作。 相似文献
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《测量评论》2013,45(98):177-184
Abstract1. The Secondary and Tertiary Triangulations of the six counties of Northern Ireland which were observed about 1900 were computed county by county each on its own meridian on a Cassini projection using Airy's figure of the earth. Although a number of points common to two or more counties were fixed no attempt was made to bring the separate counties into sympathy either with each other or even with the old Primary triangulation as adjusted by Clarke in 1856. 相似文献
18.
This short commentary surveys an international exhibition entitled ‘The cartography of the unseen’, presented at HIT's Faculty of Design Research Gallery, Israel, February 2015. For a better understanding of this exhibition and its implications, also theoretically, we intervened with a further interpretation on one of the exhibited projects, that is, Map Kibera. 相似文献
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《The Cartographic journal》2013,50(3):179-213
AbstractTo what extent do European state topographic maps exhibit unique styles of cartography? This paper describes an investigation to classify and analyse stylistic diversity in the official 1 : 50 000 topographical mapping of 20 European countries. The method involves the construction of a typology of cartographic style, based upon the classification of distinct graphical legend symbols into mutually exclusive thematic categories. In order to identify stylistic similarities between national symbologies, hierarchical cluster analysis was performed to compare the relative proportions of symbols within each category. This was complemented by a qualitative analysis of various aspects of cartographic design: colour, 'white' space, visual hierarchy, and lettering. The results indicate a high degree of stylistic diversity throughout Europe, with the symbologies of Great Britain and Ireland demonstrating the strongest example of a supranational style. The typology of cartographic symbologies is shown to be an effective method for determining stylistic association among maps of differing geographical (and potentially historical) origins and it is suggested that the cartographic language paradigm should be revisited as a means for understanding why national differences persist in state cartography. A version of this paper was presented at the Twenty-third International Cartographic Conference in Moscow. 相似文献
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Maria A. Brovelli Marco Minghini Gianluca Giori Michele Beretta 《Transactions in GIS》2012,16(2):125-142
In the State Archive of Como, Northern Italy, about 15,000 historical maps belonging to different national cadastral productions are preserved. The Web C.A.R.T.E. project was started to enhance the accessibility of this valuable cartographic heritage using FOSS (Free and Open Source Software) technologies. The system, which implements specific web geoservices for cataloguing and visualization, should assist the State Archive of Como in the digital management of its cartographic resources and related information. After the high‐resolution digitization step, maps undergo a georeferencing operation. A special statistical procedure for choosing the best mathematical model was developed, verifying also strengths and weaknesses of georeferencing with a common free and Open Source GIS. Next, metadata consistent with current Italian standards were added to the georeferenced maps using an ad hoc localized version of GeoNetwork Opensource (recently provided as the official Italian version of the software). A dedicated WebGIS system was built for publishing the georeferenced cadastral maps. This system is capable of navigating large raster data in a georeferenced framework and easily retrieving their metadata. The WebGIS system for the State Archive of Como is an important contribution for the preservation of the original historical paper maps and also a great modernization and simplification of the end user's access to this archive. 相似文献