Geology Digimap

•Geology Digimap overview

•Geology Roam

•Geology Download

•Using geological map data in ArcGIS

Geology Digimap

• Licence extended to July 2016http://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

Navigation, Print and

Help

Task menu: Search,

customise, map info., save, print, Geological

Photos

Map fade slider

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

Click and drag on the map to move in any

direction

Or use compass to pan NSEW

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

Print

Click Print icon at top right, or Print on Task Menu

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)

Print

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 UKhttp://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. Identify the product/format2. Search for your location3. Choose the required tiles4. Make download settings5. 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

• Right-click, ‘Save link as..’ or ‘Save Target As…’

• Click the link to go to the download page

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