Peter Levi - The process of digitizing 12,000 maps
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Peter Levi - The process of digitizing 12,000 maps

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BCS Map Curators Group Workshop September 2009

BCS Map Curators Group Workshop September 2009
Royal Tropical Institute
Information & Library Services
Map room

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    Peter Levi - The process of digitizing 12,000 maps Peter Levi - The process of digitizing 12,000 maps Presentation Transcript

    • Royal Tropical Institute Information & Library Services Map room
    • The process of digitizing 12,000 maps and making them accessible by internet Peter Levi, map curator
    • The process of digitizing 12,000 maps
      • The map collection
      • Beginning in 1864
      • Until 1950 only the Dutch colonies
      • After 1950 the other tropical and subtropical countries
      Amsterdam, The Netherlands www.kit.nl
      • Number of available maps and atlases
        • Ca. 27,000 map sheets
        • Ca. 1000 atlases
      • Belonging to the cultural heritage collection
        • 12,000 map sheets
        • 250 atlases
      The process of digitizing 12,000 maps Amsterdam, The Netherlands www.kit.nl
    • The process of digitizing 12,000 maps
        • Part of project ‘KIT Cultural Heritage Extra’
        • Project with support of the Ministry of Foreign Affairs to conserve and manage colonial cultural heritage, comprising museum objects and documentary materials.
      Amsterdam, The Netherlands www.kit.nl Conservation of colonial cultural heritage
    • The process of digitizing 12,000 maps
      • Made to measure
        • Determining functions
        • Sets of maps and sheets linking within a series
        • Accessible from Library database
        • Searching by geographical location
      Amsterdam, The Netherlands www.kit.nl Digitizing Software: off the peg or made to measure?
    • The process of digitizing 12,000 maps
      • Determining the number of maps to digitize and the format
      • Copyright?
      • Digital number
      Amsterdam, The Netherlands www.kit.nl Activities
    • The process of digitizing 12,000 maps
      • 00071-A for the front and 00071-B for the back
      • 04150-01, 04150-02 etc for sheets from a map series
      • 04150-01-A, 04150-01-B etc when there are different editions of sheets in a map series
      Amsterdam, The Netherlands www.kit.nl Example numbers
    • The process of digitizing 12,000 maps
      • Determining the number of maps to digitize and the format
      • Copyright?
      • Digital number
      • Transport list
      Amsterdam, The Netherlands www.kit.nl Activities
    • The process of digitizing 12,000 maps
      • Example of a transport list
      Amsterdam, The Netherlands www.kit.nl
    • The process of digitizing 12,000 maps
      • Determining the number of maps to digitize and the format
      • Copyright?
      • Digital number
      • Transport list
      • Progress list
      Amsterdam, The Netherlands www.kit.nl Activities
    • The process of digitizing 12,000 maps Amsterdam, The Netherlands www.kit.nl Progress list
    • The process of digitizing 12,000 maps Amsterdam, The Netherlands www.kit.nl Verifying digital data
        • All sheets returned?
        • Correct digital number?
        • Colour deviation
        • Position of the picture
        • Other imperfections
    • Verifying digital data
      • Other imperfections
      The process of digitizing 12,000 maps
    • The process of digitizing 12,000 maps Amsterdam, The Netherlands www.kit.nl Activities
      • Making missing index maps
      • Linking map sheets with index maps
    • The process of digitizing 12,000 maps Amsterdam, The Netherlands www.kit.nl Linking with index map
    • The process of digitizing 12,000 maps Amsterdam, The Netherlands www.kit.nl Provide co-ordinates
    • The process of digitizing 12,000 maps Amsterdam, The Netherlands www.kit.nl Framing map picture
    • The process of digitizing 12,000 maps
        • All map leaves supplied with co-ordinates
        • Map series supplied with co-ordinates
        • Framing map picture
        • Converting prime meridian
      Amsterdam, The Netherlands www.kit.nl Searching on geographical location
    • The process of digitizing 12,000 maps
      • Java
          • Batavia
          • Tjermai
      • Sumatra
          • Middle meridian of South-Sumatra
          • Padang
      • Borneo
          • Singkawang
      • Celebes
          • Middle meridian of Celebes
      Amsterdam, The Netherlands www.kit.nl Prime meridians in Indonesia
    • The process of digitizing 12,000 maps
        • All map leaves supplied with co-ordinates
        • Map series supplied with co-ordinates
        • Framing map picture
        • Converting prime meridian
        • Downloading dataset of geographical names
      Amsterdam, The Netherlands www.kit.nl Searching by geographical location
    • The process of digitizing 12,000 maps Amsterdam, The Netherlands www.kit.nl Times NGA Real Malang E 112°46’ E 112°37’44” E 112°37’47” S 007°56’ S 007°58’40” S 007°58’54” Difference 1798 mtr 434 mtr Magelang E 110°12’ E 110°13’04” E 110°12’56” S007°27’ S 007°28’13” S 007°28’28” Difference 2728 mtr 465 mtr Differences in co-ordinates
    • The process of digitizing 12,000 maps
        • Tool to find maps of a certain location
        • Old maps have not always been correctly surveyed
        • Maps not findable
      Amsterdam, The Netherlands www.kit.nl Results
    • The process of digitizing 12,000 maps Amsterdam, The Netherlands www.kit.nl Example map not findable North South
    • The process of digitizing 12,000 maps
        • Correcting co-ordinates
        • Adding new or alternative names
        • Adding new maps
      Amsterdam, The Netherlands www.kit.nl Online management options
    • The process of digitizing 12,000 maps
        • Adding missing maps
        • Linking photos and museum objects
        • Adding extra historical information to locations
        • Adding new locations
      Amsterdam, The Netherlands www.kit.nl Future ambitions
    • The process of digitizing 12,000 maps
        • Fewer visitors for the colonial collection
        • More questions via e-mail
        • More requests for permission to publish maps
        • More maintenance of the digital datasets
      Amsterdam, The Netherlands www.kit.nl Changes
    • The process of digitizing 12,000 maps
        • The project started at the end of 2003
        • December 2005 online
      Amsterdam, The Netherlands www.kit.nl
    • The process of digitizing 12,000 maps
      • WWW.KIT.NL/MAPS
      • WWW.KIT.NL/KAARTEN
      • WWW.KIT.NL - Resources – Dutch colonial maps
      • http:// maps.kit.nl / apps /s7#
      Amsterdam, The Netherlands www.kit.nl Accessible via:
    • The process of digitizing 12,000 maps Amsterdam, The Netherlands www.kit.nl Thank you so much for your attention