Geology Digimap

29 June 2010

Vivienne Carr

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

Geology Digimap Home Page

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

Geology Roam

Several improvements over existing facility:

larger map area, slippy maps, enhanced printing

Geology Roam

Navigation, Print and

Help

Task menu:

Search, customise,

get map info., save

maps

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 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.

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

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

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• Existing map application will run in parallel until it is withdrawn in December 2010

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

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), or MID/MIF (MapInfo)

Step 2: Search for data

Step 3. Results list

Step 4: Choose data

• Select the required tiles from the list or map

• Select the required layers for those tiles

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

• Use your browser's ‘Save link as..’ or ‘Save Target As…’ option

• Click the link to go to the download page

Unzip data.zip file

Download file contents

1 AVL file included with each layer of data

AVL files used to apply BGS data style in GIS

Data imported to ArcGIS, no data style applied

Data imported to ArcGIS, BGS style applied using AVL file(s)

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