1000 resultados para Ordnance Survey


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Supplemented by: Publications issued ... January, 1894[-June 1895]. [London : H.M.S.O., 1894-1895]. 18 no. Caption title. Number for April 1895 wanting. Bound with Catalogue of maps and plans ... of England and Wales, and the Isle of man, to 1st of Jan. 1888.

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Maps in detached pocket.

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Volumes for Essex, Norfolk, and Suffolk, 31 x 24 cm.

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Vols. for Essex, Norfolk, and Suffolk, 31 x 24 cm.

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Title of vol. 3: On account of the trigonometrical survey, carried on by order of the master-general of His Majesty's ordnance, in the years 1800, 1801, 1803-1809. By Lieutenant-Colonel William Mudge ... and Captain Thomas Colby ... 1811.

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Presentation at Open Repositories 2014, Helsinki, Finland, June 9-13, 2014

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In this section, you will find maps showing various important aspects of the River Tyne catchment area. All the maps are drawn based on Ordnance Survey data made available via the Digimap service. For the land cover maps of the catchment area, four variants are provided. Please note that the full details of the intext citations quoted in some of the following maps can be found in the full bibliographic listing.

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This layer is a georeferenced raster image of the historic paper map entitled: Ordnance survey of Jerusalem, by captain Charles W. Wilson R. F. under the direction of Colonel Sir Henry James, R.E., F.R.S., &c. director of the Ordnance Survey, 1864-5. It was published by Ordnance Survey Office in 1876. Rev. [of 1864-5 ed.]. Revised 1876. Scale 1:2,500. Covers primarily the Old City.The image inside the map neatline is georeferenced to the surface of the earth and fit to the Universal Transverse Mercator (UTM Zone 36S, meters, WGS 1984) projected coordinate system. All map collar and inset information is also available as part of the raster image, including any inset maps, profiles, statistical tables, directories, text, illustrations, index maps, legends, or other information associated with the principal map. This map shows features such as roads, drainage, built-up areas and selected buildings (churches, synagogues, convents, schools), fortification, gates, religious sites, cemeteries, watch houses, cisterns, tombs, pools, aqueducts, and more. Relief shown by hachures, contours and spot heights. Includes also a list of references.This layer is part of a selection of digitally scanned and georeferenced historic maps from the Harvard Map Collection. These maps typically portray both natural and manmade features. The selection represents a range of originators, ground condition dates, scales, and map purposes.

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This layer is a georeferenced raster image of the historic paper map entitled: Plan de Jérusalem, d'après MMrs. V. Wilson, (Ordnance Survey) et de Saulcy, (Voyage en Terre Sainte) ; L. Thuillier, Delt. It was published by Hachette & Cie ca. 1850. Scale [ca. 1:85,000]. Covers Jerusalem. Map in French. The image inside the map neatline is georeferenced to the surface of the earth and fit to the Israel Transverse Mercator (ESRI: Israel_TM_Grid) coordinate system. All map collar and inset information is also available as part of the raster image, including any inset maps, profiles, statistical tables, directories, text, illustrations, index maps, legends, or other information associated with the principal map. This map shows features such as roads, drainage, built-up areas and selected buildings, religious sites, fortification, and more. Relief is shown by hachures. Includes index. This layer is part of a selection of digitally scanned and georeferenced historic maps from The Harvard Map Collection as part of the Imaging the Urban Environment project. Maps selected for this project represent major urban areas and cities of the world, at various time periods. These maps typically portray both natural and manmade features at a large scale. The selection represents a range of regions, originators, ground condition dates, scales, and purposes.

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This layer is a georeferenced raster image of the historic paper map entitled: Ordnance Survey of Jerusalem, surveyed by C.W. Wilson, CE, in 1864-5 and engraved under the direction of Colonel J. Cameron; the hills by D. Law. It was published by Ordnance Survey Office in 1868. Scale 1:10,000. Covers Jerusalem. The image inside the map neatline is georeferenced to the surface of the earth and fit to the Israel Transverse Mercator (ESRI: Israel_TM_Grid) coordinate system. All map collar and inset information is also available as part of the raster image, including any inset maps, profiles, statistical tables, directories, text, illustrations, index maps, legends, or other information associated with the principal map. This map shows features such as roads, drainage, built-up areas and selected buildings, fortification, and more. Relief is shown by hachures and spot heights. This layer is part of a selection of digitally scanned and georeferenced historic maps from The Harvard Map Collection as part of the Imaging the Urban Environment project. Maps selected for this project represent major urban areas and cities of the world, at various time periods. These maps typically portray both natural and manmade features at a large scale. The selection represents a range of regions, originators, ground condition dates, scales, and purposes.

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Mode of access: Internet.

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This research develops a low cost remote sensing system for use in agricultural applications. The important features of the system are that it monitors the near infrared and it incorporates position and attitude measuring equipment allowing for geo-rectified images to be produced without the use of ground control points. The equipment is designed to be hand held and hence requires no structural modification to the aircraft. The portable remote sensing system consists of an inertia measurement unit (IMU), which is accelerometer based, a low-cost GPS device and a small format false colour composite digital camera. The total cost of producing such a system is below GBP 3000, which is far cheaper than equivalent existing systems. The design of the portable remote sensing device has eliminated bore sight misalignment errors from the direct geo-referencing process. A new processing technique has been introduced for the data obtained from these low-cost devices, and it is found that using this technique the image can be matched (overlaid) onto Ordnance Survey Master Maps at an accuracy compatible with precision agriculture requirements. The direct geo-referencing has also been improved by introducing an algorithm capable of correcting oblique images directly. This algorithm alters the pixels value, hence it is advised that image analysis is performed before image georectification. The drawback of this research is that the low-cost GPS device experienced bad checksum errors, which resulted in missing data. The Wide Area Augmented System (WAAS) correction could not be employed because the satellites could not be locked onto whilst flying. The best GPS data were obtained from the Garmin eTrex (15 m kinematic and 2 m static) instruments which have a highsensitivity receiver with good lock on capability. The limitation of this GPS device is the inability to effectively receive the P-Code wavelength, which is needed to gain the best accuracy when undertaking differential GPS processing. Pairing the carrier phase L1 with the pseudorange C/A-Code received, in order to determine the image coordinates by the differential technique, is still under investigation. To improve the position accuracy, it is recommended that a GPS base station should be established near the survey area, instead of using a permanent GPS base station established by the Ordnance Survey.