9/27/2023 0 Comments Find os map referenceThe Survey Date Widget allows you to identify the PRONI references for each historic Ordnance Survey map on the application at a specific point. The Bookmark Widget allows you to name and store links to specific areas, so you can easily navigate to a specific point during future visits (using the same PC/ tablet). The Legend Widget details the meaning of the various outlines and symbols used in the Maps viewer. The Info Widget outlines the maps and datasets available on the PRONI Historical Maps viewer. These layers can be selected using the Layer List widget. The Swipe widget provides a vertical bar on your screen which can be dragged back and forth across the screen to compare one map layer with another. Layers include seven historical Ordnance Survey maps (covering the years 1832 - 1986) and a range of datasets (including county, townland and parish boundaries and sites, landmarks and buildings of historical interest). ![]() Supports Ordnance Survey (OS) National Grid. Plot locations on an interactive map of the UK. The Layer List widget shows each of the optional layers which can be switched on or off. Simple grid reference finder for mobile and desktop devices. The application defaults to the OSNI Basemap, which is generated using a range of OSNI map products such as 1:50,000 Vector and Largescale data. The Basemap Gallery widget allows you to choose from a selection of four basemaps. The Help widget has a guide on how to use the PRONI Historical Maps viewer and a link to a PDF version of this guidance which can be downloaded for reference. This tool is perfect for locating precise geographical details for any location within Great Britain.Help using the Historical Maps viewer: Help Widget These details can be found below the map. These coordinates include the latitude and longitude (in decimal degrees), the Ordnance Survey (OS) six-figure grid reference, and the OS grid square letter reference. Upon clicking, a marker will appear on the clicked location, and the corresponding geographical coordinates will be displayed on the screen. Explore anywhere in Britain with the Aerial 3D layer. To pinpoint a specific location and get its geographical information, simply click anywhere on the map. For inspiration on the go, use OS Maps AR Viewer to pan across the landscape and discover the nearest forests, coastlines, hills, mountains and more. You can also navigate around the map by dragging it with your mouse. It also transforms GPS ellipsoid heights to orthometric. Once you've entered your desired location, the map will automatically zoom in to the area. The Coordinate Transformation Tool transforms GNSS based ETRS89 latitude and longitude or cartesian XYZ coordinates to the equivalent OSGB36 National Grid eastings and northings, and vice-versa, using Ordnance Surveys National Grid Transformation OSTN15. Map Finder OS map records Boundaries viewerFind and view records for 1:1,250, 1:2,500 and 1:10,000/1:10,560 scale maps, 1841-1991. Coordinate transformation software Our Grid InQuestII software transforms between the ETRS89 (WGS84) and OSGB36 National Grid coordinate systems. ![]() If you wish to find the NGR from Ireland, make sure to tick on. The map reference conversion spreadsheet (xlsm) will help convert between full national grid references and map tile references that use the 100km square letters. Begin by searching for a postcode or place in the search bar located at the top right corner of the map. You will then see the Northings, Eastings and National Grid Reference (NGR) below the map. Welcome to our interactive map! This tool allows you to find specific geographical coordinates for any location within Great Britain, based on your input.
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