Office of Coast Survey TAGGING COAST PILOT FEATURES Tom Loeper, NOAA Great Lakes Navigation Manager Chief, Coast Pilot Branch 2 July 2015

Office of Coast Survey Improve the quality of geographic names in NOAA products Establish a Common Base Layer Geo-tagging the Coast Pilot Harmonizing with the Nautical Charts What’s Next?

Office of Coast Survey Goal of the Federal Government dating back to 1890 Creation of the U.S. Board of Geographic Names (BGN) Goal was affirmed in 1947 Law formally established the Dept. of Interior and Department of Defense as co-leads to run the BGN Co-leads created 2 official web-based repositories Law formally established the Dept. of Interior and Department of Defense as co-leads to run the BGN Establish a Common Base Layer First - Some History

Office of Coast Survey NOAA uses many types of names that are not consistent Inconsistent across scale bands With official names in the Web-based repositories Names on NOAA products are prone to errors Improper spelling Orphaned histories Some History (cont.)

Office of Coast Survey Geographic positions must reflect a real-world location Not a cartographic label placement Must allow for the addition/deletion/change of records between major updates Must be formatted to allow web developers search Must maintain linkages to authoritative sources Look at a variety of charts and imagery including raster, vector, satellite and Google Earth Requirements include

Office of Coast Survey Have an ability to flag Coast Pilot names that match official standard names Troubleshoot unmatched names Compare them against variants as well as foreign and undersea feature names Test “fuzzy” string matching techniques to check for errors Investigate other authoritative name sources for administrative names Lights Bridges Modified Vision

Office of Coast Survey Geo- tagging the Coast Pilot Selection Criteria Avery Point

Office of Coast Survey Program Interface Pick Books 1 through 9, Test Book or the common chapter 1 Filter by All, Exclude Skipped, Ignored Only or Skipped Only Only 10 selections presented at one time

Office of Coast Survey

Other Features The Production System automatically identifies the chart using imbedded chart tags Results are updated every week when the books are created HTML files are “clickable” color-coded as green text Link opens a small raster chartlet with the geo-tagged position at the center of the image The user can switch to between raster and vector images

Office of Coast Survey Harmonizing with the Nautical Charts Geotag is centered on the image Choice of Raster or Vector Image Results are color-coded in a legend

Office of Coast Survey What to tag next? Extending this to other web-based tools including NOAA’s Historic Map Collection The online NOAA Chart Viewer NOAA’s ENC to GIS tool Adjust data structure (Briana Sullivan) Move away from traditional book format Move towards a more data-centric format What’s Next? Where do we want to go from here?

Office of Coast Survey Tom Loeper, NOAA Great Lakes Navigation Manager Chief, Coast Pilot Branch Cell: (301)