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omeka / MallMap

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Process historic maps #27

Closed jimsafley closed 11 years ago

jimsafley commented 11 years ago

There are two historic maps in chnm.gmu.edu:/storage/mall-files that should replace current maps:

Steps to process maps:

  1. Copy map from chnm.gmu.edu:/storage/mall-files/ to original/
  2. Convert TIFF to JPEG (for smaller, compatible file): $ convert x.tif x.jpg
  3. Upload map to Map Warper: http://mapwarper.net/
  4. Rectify map to OSM using control points common to both, such as White House, US Capitol, Washington Monument, Smithsonian Institution, Union Station
  5. Download georectified map PNG and KML file into georectified/ (rename files to their original name)
  6. Convert PNG to JPEG (for smaller file): $ convert x.png x.jpg
  7. Tile georectified map in MapTiler: $ maptiler
    • Add PNG and georeference against the in the related KML file: "north south east west"
    • Set the "WGS84 - Latitude and longitude (geodetic)" spacial reference system
    • Set zoom levels: minimum zoom=11, maximum zoom=18; set JPEG file format
    • Set the download directory to tiled/[mapnumber]/; do not set a destination URL
    • Don't set any viewers to generate
    • Render