Geology Digimap •Geology Digimap overview •Geology Roam •Geology Download •Using geological map data in ArcGIS
Geology Digimap • Licence extended to July 2016 http://www.jisc-collections.ac.uk/Catalogue/Agreements/YearlyAgreements/924
• Subscription rates reduced for 2010-2011:
Geology Digimap Home Page
Geology Digimap •Geology Digimap overview •Geology Roam •Geology Download •Using geological map data in ArcGIS
Geology Roam – what’s new? • JIDI Image links: http://edinadigimap.blogspot.com/2010/09/geological-photos-in-geology-roam.html
• Over 3000 images mainly found in geologically rich areas such as Cumbria, North and South Wales, the Dorset coast, Edinburgh etc. The images cover a wide range of features from details of bedding planes and large crystals in rock faces to aerial photographs of valleys showing glacial erosion features. • Available at 5 most detailed zoom levels in Geology Roam
Geology Roam Map fade slider
Task menu: Search, customise, map info., save, print, Geological Photos
Navigation, Print and Help
Search – place name
Enter place name, click Find
Search - place name
•List of matches for Liverpool returned •Click once on your choice to generate a map centred on that location
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
Search – place name
Plot view returned
Postcode search
• Input full postcode • Click Find
Postcode search
Detailed view returned
Grid reference search
Grid reference search
Detailed view returned with 8 fig grid ref.
Map Views
Panning
Or use compass to pan NSEW
Click and drag on the map to move in any direction
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
Map Content Control
•Control display of geological map layers •Click Map Content Control
Map Content Control
•Check / uncheck boxes to display / hide layers •Content reflects geology at the map location
Map fade slider
Map fade slider
Map fade slider
Map Information
Map Information: • Current BGS map product • Current map extent • Cursor coordinates • Current print scale
Map details
Click once on any rock for info.
Geological Photos
•Available at 5 most zoomed in views •Click the camera icon at top right or on Task Menu, to display image locations
Geological Photos
•Click a camera icon on the map, or an image listing to view images
My Maps
Click Save Current Map
My Maps
•Enter a title •Click OK
My Maps
Map is now permanently available in My Maps
Click Print icon at top right, or Print on Task Menu
Print Input title, select NG lines, layout (A3/A4, portrait/landscape)
Check satisfied with print area selected – can click and drag on map to change it
PDF print generated, with copyright statement, date and time created
Geology Roam - Forthcoming
•Future functions for Geology Roam: – polygon highlighter – ‘save image’ function – links to rock lexicon
Geology Digimap •Geology Digimap overview •Geology Roam •Geology Download •Using geological map data in ArcGIS
Geology Digimap Download
•4 data sets available, in 2 formats •Can select to download layers of interest only
Geology Digimap data • New dataset: DigBath250 – vector digital bathymetry of UK http://www.bgs.ac.uk/products/digbath250/ • Mapping and modelling of the sea bed and sub seabed. It may also be useful for regional scale tidal, current and water column modelling. Includes the whole of the UK continental shelf and slope and extends into adjacent European waters to cover the whole of the Irish Sea and North Sea. • BGS now make some data freely available to academic community via their Open GeoScience website
BGS OpenScience http://www.bgs.ac.uk/opengeoscience/
BGS OpenScience Maps Section
BGS OpenScience Data Downloads Section
Access Geology Download • Click Geology Download
Geology Download interface
Step-by-step download process: 1. 2. 3. 4. 5.
Identify the product/format Search for your location Choose the required tiles Make download settings Download data files
Step 1: Select product/format • Select product • Choose data format: – Shape (ArcGIS) – MID/MIF (MapInfo)
Step 2: Searching for data • Select a location search method
• Choose a result from the list generated by the search
Step 3: Select tiles • Select the required tiles from the list or map • Select the required layers for those tiles • NOTE: Offshore data is available as 1 tile only
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
Step 5: Downloading
• Click the link to go to the download page
• Right-click, ‘Save link as..’ or ‘Save Target As…’
Geology Digimap •Geology Digimap overview •Geology Roam •Geology Download •Using geological map data in ArcGIS
Geology Download - file contents • •
For each SHP or MIF/MID file downloaded, an AVL file is supplied. AVL, or layer, files, allow us to style the data in GIS with BGS cartography.
Geology data in ArcGIS
• Step 1 – add the Shape files
Geology data in ArcGIS
• Step 2 – view the unstyled data layers
Geology data in ArcGIS
• Apply AVL files to each Shape file
Geology data in ArcGIS
• View styled data