geology digimap

Geology Digimap

• Online service, available since 2007• British Geological Survey geological map data, licensed

by JISC for use in education• Subscription service• User registration is required• Functions:

• View/print/download maps online• Download map data, create own maps• Access Lexicon of Rock Units

Geology Digimap

•Geology Roam - create, view, print and download maps online•Geology Download – download geological map data •Using geological map data in ArcGIS

Geology Digimap

Geology Roam – view geological maps with OS maps

as background

Download geological map data – 4 products

available

Geology Roam

Navigation and hints/tips

Task menu: search,

customise, active legend, map info, save, view geological

Photos

Tools: fade out maps, annotate, measure, print

Search options

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

Postcode search

Detailed view

returned

Map Views

Map views

• Can no longer see map view name in the top left corner

• Found in the Map Information area

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 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

BGS datasets

http://www.bgs.ac.uk/products/digitalmaps/digmapgb.html

Map fade slider

Map fade slider

Map fade slider

Map Information

• map view• BGS map product• map extent• cursor coordinates• Current print scale

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

Geological Photos

•Available at 5 most zoomed in views

•Click the camera icon at top right or on

Task Menu, to display image locations

My Maps

Click Save Current Map

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

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

Options: title, NG lines, annotations, rock labels, layout (A3/A4, portrait/landscape)

Print

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

Geology Digimap

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

Geology Download

Geology Digimap Download

•4 data sets available, in 2 formats

•Can select to download layers of interest only

Geology Digimap data

• BGS Offshore Data 1:250000• 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 OpenScience

http://www.bgs.ac.uk/opengeoscience/

BGS OpenScience Maps Section

Access 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 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