1. Nigel James Bodleian Library Online Maps Sources of digital mapping

2. What is digital mapping? Raster mapping – scanned paper maps Digital map data – viewed with specialist software Choice depends user’s requirements

3. Raster mapping No special software required Can be inserted directly into a document Limited modification possible

4. Raster mapping Widely available on the WWW Both historic and modern mapping Remote sensing imagery available Free access does not mean free to use!

5. Digital map data Controlled access – most data is licenced No charge to university members Can be extensively modified and adapted To suite specific needs

6. Ptolemy Cosmographia 1492. Source: Map History website

7. Source: The World Factbook website

8. Source: David Rumsey Map Collection website

9. Source: The World Factbook website Resizing raster mapping

10. Source: Global Insight digital dataset Resizing digital map data

11. Source: Global Insight digital dataset Resizing digital map data

12. Sources of digital map data Bartholomew digital data - available in the Bodleian Map Room and on OXLIP Global Insight world dataset - available in the Bodleian Map Room only 3 world datasets Europe dataset Great Britain dataset London dataset Various other datasets – GB census boundaries and World thematic data, for example

13. Sources of digital map data Ordnance Survey Digital Data from DIGIMAP Available free to registered users Range of datasets available OS Strategi dataset 1:250 000OS Land-line dataset 1:1250

14. Sources of digital map data Ordnance Survey Digital Data from DIGIMAP Raster data also available Georeferenced for use in a GIS OS 1:25 000 raster dataset OS 1:10 000 raster dataset