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Geology Digimap 29 June 2010 Vivienne Carr
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Geology Digimap JISC funded collection of geological maps and data, from British Geological Survey Available since January 2007 3 data products, most detailed is 1:50000 scale Complete coverage of Great Britain
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Geology Digimap Home Page
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Session Objectives Geology Roam Creating maps Storing maps Printing maps Future developments Screen sharing Geology Download Data available Downloading data Using data Screen sharing Questions
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Geology Roam Several improvements over existing facility: larger map area, slippy maps, enhanced printing
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Geology Roam Navigation, Print and Help Task menu: Search, customise, get map info., save maps Map fade slider
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Search – place name Enter place name, click Find
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Search - place name List of matches for Liverpool returned Click once on your choice to generate a map centred on that location
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Search - place name Place name database - 1:50000 Scale Gazetteer Any place name on OS Landranger maps can be used Street names cannot be used
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Search – place name Plot view returned
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Postcode search Input full postcode Click Find
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Postcode search Detailed view returned
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Grid reference search
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Detailed view returned with 8 fig grid ref.
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Map Views
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Panning Click and drag on the map to move in any direction Or use compass to pan NSEW
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Zooming Use the scale bar to zoom in or out to next view Double click to zoom in to that point Use scroll bar to zoom in/out
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Map fade slider
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Map Information Map Information: Current BGS map product Current map extent Cursor coordinates Current print scale
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Map details Click once on any rock for info.
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My Maps Click Save Current Map
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My Maps Enter a title Click OK
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My Maps Map is now permanently available in My Maps
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Print Click Print icon at top right
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Print Check satisfied with print area selected – can click and drag on map to change it Input title, select NG lines, layout (A3/A4, portrait/landscape)
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Print PDF print generated, with copyright statement, date and time created
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Future development September 2010 release: –Polygon highlighting when retrieving map details –Map-based links to a Geology Photography Collection (JIDI Images) –Introduction of BGS Rock Lexicon as an independent application Existing map application will run in parallel until it is withdrawn in December 2010
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Session Objectives Geology Roam Creating maps Storing maps Printing maps Future developments Screen sharing Geology Download Data available Downloading data Using data Screen sharing Questions
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Geology Download
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Geology Download interface Step-by-step download process: 1. Identify the product/format 2. Search for your location 3. Choose the required tiles 4. Make download settings 5. Download data files
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Step 1: Select product/format Select product Choose data format: Shape (ArcGIS), or MID/MIF (MapInfo)
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Step 2: Search for data
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Step 3. Results list
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Step 4: Choose data Select the required tiles from the list or map Select the required layers for those tiles
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Step 4: Download settings Archiving and compression –Unix, PC, Mac? Large numbers of component files mean no individual file downloads All downloads delivered in.zip or.tar archives
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Step 5: Downloading Use your browser's ‘Save link as..’ or ‘Save Target As…’ option Click the link to go to the download page
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Unzip data.zip file
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Download file contents 1 AVL file included with each layer of data AVL files used to apply BGS data style in GIS
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Data imported to ArcGIS, no data style applied
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Data imported to ArcGIS, BGS style applied using AVL file(s)
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Session Objectives Geology Roam Creating maps Storing maps Printing maps Future developments Screen sharing Geology Download Data available Downloading data Using data Screen sharing Questions
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