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geology_digimap

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									Geology Digimap Home Page
Geology Digimap

•Geology Roam
•Geology Download
•Using geological map data in ArcGIS
Geology Roam
                     Tools: fade out
                     maps, annotate,
                     measure, print




   Task menu:
      Search,
    Customise,
  Active Legend,            Navigation and
  Map info., Save,            hints/tips
    Geological
      Photos
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 wheel on mouse to zoom in/out
  •Click on the drag zoom tool    and draw a box
Map Content Control




  •Control display
  of geological
  map layers
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
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
Geology Roam JIDI images


 • 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
My Maps




           Click Save
          Current Map
My Maps




     •Enter a title
     •Click OK
My Maps




          Map is now
          permanently
          available in My
          Maps
Feature info.




                Click i to activate get feature
                info. tool
Feature info.

   • Click on any area of the map for info.
   • Places marker and highlights polygon
Active Legends

                 • Active Legend
                   displays all the
                   rocks shown on
                   your current
                   map
                 • Sort
                   Alphabetically
                   or by
                   Frequency
Active Legends

                 • Select a rock
                   in the
                   legend, or on
                   the map –
                   the rock is
                   highlighted
                   on the map
Active Legends

 • By default, the legend does not
   automatically update when you pan
   around or zoom in or out



 • Options to change the default
   settings at bottom of legend
Annotation tools


   • Click icon to activate
     annotations toolbar



   • Add symbols, shapes,
     lines, labels
Measurement tools

  • Click icon to activate
    measurement tools




  • Box appears with
    distance/area
    measurement
    options
Print




        Click Print icon at
        top right
Print
        Options: title, NG lines, annotations,
        rock labels, layout (A3/A4,
        portrait/landscape)




              Check satisfied with print area selected – can
              click and drag on map to change
Print




        PDF print generated, with copyright
        statement, date and time created
Geology Digimap

•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

 • Recently added 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
Geology Digimap

•Geology Roam
•Geology Download
•Using geological map data in ArcGIS
Access Geology Download
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
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 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

								
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