Historical aerial photographs - from paper to virtual time machine

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Historical aerial photographs - from paper to virtual time machine Oscar Monell Twitter: @oscarmonell, #esrieuc Email: [email protected] Municipality of Staffanstorp & Kävlinge, Sweden

Presentation Oscar Monell, age 32. Degree of master of human geography, University of Lund, Sweden. Analyst within geographical information and Statistics, Municipality of Staffanstorp & Kävlinge, Sweden.

Treasures in the archive… • Lantmäteriet - the Swedish mapping, cadastral and land registration authority, offers historic aerial photographs • On-demand scanning from paper to .tif • We bought data for aprox. €2800

Process • Use an image editor of your choice! • Crop borders and save an copy • Start georeferencing…

Georeferencing in ArcMap

Mosaicing in ArcMap • Loading data to a file geodatabase during process • Combine the different images to one per year • Load resulting raster dataset to SDE and publish as service

Staffanstorp.se

Compare now and then… • jQuery Before/After image comparer • Compare png/jpg with slider

Compare now and then… • Small sample on lantmateriet.se, compare now and then • Using Open Layers

Compare now and then… • Found a sample using ESRI Map Services by Sathya Prasad (jan 2010)

Compare now and then… • ESRI Story Map Team published several applications based on previous sample.

Compare now and then… • Our team tweaked and customized this to:

Historical Staffanstorp – a virtual time machine

Demo…

Public impact • During the first month: Feature in local press 1000 unique visitors Many from social medias Spread around the world

Future development • Older maps (1700, 1855, 1920) • Future: comprehensive plan and visions

Thank you for listening! Historical aerial photographs - from paper to virtual time machine Oscar Monell Twitter: @oscarmonell, #esrieuc Email: [email protected] Municipality of Staffanstorp & Kävlinge, Sweden