Crowd sourcing in digital libraries and with volunteers. Digitization

1. Tim “chippy” Waters @tim_waters
Open Historical Map

2. Shekhar Krisnan
Schuyler Erle
Entropy Free

3. History as New Media
Digital Humanities and History
Web Archives and Digital Libraries
Amateur Enthusiasm and Hacking
Open Source Software Development
Zotero, tools etc

4. History Web + Geospatial Web
History Web
Zotero 1.0 – Capturing Citations and Publishing Bibliographies
Zotero 2.0 – Sharing Collections and Scholarly Collaboration on the
Web
Zotero Maps
Geospatial Web
Gutenkarte – Geographic Text Browser
NYPL Map Rectifier – Georeferencing Historical Maps
NYPL Map Digitizer – Vectorizing and Annotating Historical Layers

5. 
Gutenkarte
http://gutenkarte.org

Zotero
http://www.zotero.org

6. 10,000 large digital images and atlases

9. Collaborative Best Practices

Public Editing

Identity

Profile

Keeping Score

Revision History

Commentary

Provenance

(Geo)RSS Feeds

Change Tracking

Rollback

10. NYPL Digitizer
Demo
GeoExt, Mapfish.
Why not OSM?
time. Range of dates.
WANT.

11. Open Historical Maps

Crowd Control

Curators Designing Historical Schemas

Versioning and Resolving Disputes

Time Travel

Time in GIS

Chronological Annotation of Features

Disambiguation

Geographic, Toponymic and Chronological Ambiguity

Open Gazeteers

12. Map Warper
Open To All
Not just historical

13. Thanks Mikel
Thanks John

15. Wt?
2 examples

18. GDAL
Gdalwarp
Gdal_translate
gdal_translate ­a_srs '+init=epsg:4326' ­of VRT
gdal_translate
/home/tim/work/warper/mapwarper/public/mapimages/src/orig6985.tif
/home/tim/work/warper/mapwarper/public/mapimages/dst/28_temp.vrt
­gcp 1100.2, 2332.0, ­83.9654296874, 41.8320690697 ­gcp 3782.0, 1676.12,
­78.9996093751, 42.710039226 ­gcp 2703.45, 3760.35, ­81.196875, 40.675794242
gdalwarp ­rn ­dstalpha
/home/tim/work/warper/mapwarper/public/mapimages/dst/28_temp.vrt
/home/tim/work/warper/mapwarper/public/mapimages/dst/28.tif ­co TILED=YES

19. Output
crop

20. Whooms – upload geotiff, serve as wms
http://github.com/timwaters/whooms/tree/master
get '/wms' do
@map = params["layer"]
ows = Mapscript::OWSRequest.new
ok_params = Hash.new
params.each {|k,v| ok_params[k.upcase] = v }
[:request, :version, :transparency, :service, :srs, :width, :height,
:bbox, :format, :srs].each do |key|
ows.setParameter(key.to_s, ok_params[key.to_s.upcase]) unless
ok_params[key.to_s.upcase].nil?
end
ows.setParameter("STYLES", "")
ows.setParameter("LAYERS", "image")
ows.setParameter("COVERAGE", "image")
mapsv = Mapscript::MapObj.new(File.join(map_directory, '/wms.map'))
mapsv.applyConfigOptions
mapsv.setMetaData("wms_onlineresource", "http://" + request.host +
"/wms/#{@map}")
raster = Mapscript::LayerObj.new(mapsv)
raster.name = "image"
raster.type = Mapscript::MS_LAYER_RASTER;
raster.data = File.join(map_directory, @map)
raster.status = Mapscript::MS_ON
raster.dump = Mapscript::MS_TRUE
raster.metadata.set('wcs_formats', 'GEOTIFF')
raster.metadata.set('wms_title', ("wms from whooms "+@map))
raster.metadata.set('wms_srs', 'EPSG:4326')
raster.debug= Mapscript::MS_TRUE
Mapscript::msIO_installStdoutToBuffer
result = mapsv.OWSDispatch(ows)
content_type = Mapscript::msIO_stripStdoutBufferContentType || "text/plain"
result_data = Mapscript::msIO_getStdoutBufferBytes
send_data result_data, :type => content_type, :disposition => "inline"
Mapscript::msIO_resetHandlers
end

22. GDAL
Tileindex
gdaltindex
gdaltindex ­write_absolute_path /home/tim/work/warper/mapwarper/db/maptileindex/7.shp
/home/tim/work/warper/mapwarper/public/mapimages/dst/91.tif
/home/tim/work/warper/mapwarper/public/mapimages/dst/41.tif

23. Export options

26. Crowd sourced
but you can be
private if you like

27. For OSM! Yay! Get thee to the wmsplugin! Potlatch soon?

28. Licences and Terms
Google maps vs Google Satellite
Local Government Anti Pattern

29. Free our Old Maps!
Lets build up a database
for the past!

30. Want
People +
Map Libraries +
Love of maps =
Open Historical Maps
An infinite archive of places for digitial historians
and ethnographers

31. @tim_waters
tim@geothings.net
http://mapwarper.net