Tim Waters
thinkwhere.wordpress.com

tim@geothings.net @tim_waters



Leeds, UK

Map Warper
mapwarper.net




   georectif...
Wt?

2 examples
Yahoo map mixer
Microsoft map cruncher
Metacarta map rectifier
Desktop GIS solutions
Free


    Open Source


    For people who love maps




    OpenStreetMap Project




http://svn2.geothings.net/mapwarpe...
Thanks Mikel




Thanks John
Map List of types of maps
Upload a new map
Warp map
Error
GDAL
Gdalwarp
Gdal_translate


gdal_translate ­a_srs '+init=epsg:4326' ­of VRT 
gdal_translate
/home/tim/work/warper/mapwa...
Output

crop
Whooms – upload geotiff, serve as wms
  http://github.com/timwaters/whooms/tree/master
get '/wms' do
  @map = params["laye...
Layers

Mosaic
GDAL
                                   Tileindex
                                   gdaltindex




gdaltindex ­write_abso...
Export options
Crowd sourced

but you can be
private if you like
The OpenStreetMap Project




                            WMS
Applications – obvious to work with map libraries and digital collections.
Licences and Terms

Google maps vs Google Satellite

Derivative works through using Ordnance Survey maps to rectify – anti...
Free our Old Maps!




Open Historical Map
Project

Lets build up a database
 for the past!
@tim_waters

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

http://svn2.geothings.net/mapwarper/
MapWarper O'Reilly Ignite Talk, Where2.0
MapWarper O'Reilly Ignite Talk, Where2.0
MapWarper O'Reilly Ignite Talk, Where2.0
MapWarper O'Reilly Ignite Talk, Where2.0
MapWarper O'Reilly Ignite Talk, Where2.0
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MapWarper O'Reilly Ignite Talk, Where2.0

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MapWarper O'Reilly Ignite Talk, Where2.0
about crowd sourced open source map geo rectifier

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MapWarper O'Reilly Ignite Talk, Where2.0

  1. 1. Tim Waters thinkwhere.wordpress.com tim@geothings.net @tim_waters Leeds, UK Map Warper mapwarper.net georectify / georeference / warp / stretch
  2. 2. Wt? 2 examples
  3. 3. Yahoo map mixer Microsoft map cruncher Metacarta map rectifier Desktop GIS solutions
  4. 4. Free Open Source For people who love maps OpenStreetMap Project http://svn2.geothings.net/mapwarper/
  5. 5. Thanks Mikel Thanks John
  6. 6. Map List of types of maps Upload a new map
  7. 7. Warp map Error
  8. 8. 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
  9. 9. Output crop
  10. 10. 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
  11. 11. Layers Mosaic
  12. 12. 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
  13. 13. Export options
  14. 14. Crowd sourced but you can be private if you like
  15. 15. The OpenStreetMap Project WMS
  16. 16. Applications – obvious to work with map libraries and digital collections.
  17. 17. Licences and Terms Google maps vs Google Satellite Derivative works through using Ordnance Survey maps to rectify – anti pattern Councils
  18. 18. Free our Old Maps! Open Historical Map Project Lets build up a database for the past!
  19. 19. @tim_waters tim@geothings.net http://mapwarper.net http://svn2.geothings.net/mapwarper/

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