1. NCSU Libraries County and City Data Directory: Directory: Everything You’ve Always Wanted to Know Everything You’ve Always Wanted to Know Jeff Essic Matt Sumner NCSU Libraries http://www.lib.ncsu.edu/gis

2. County GIS Links

3. Links Link to Municipal Directory

4. Popularity Popularity – Consistently within: Top 5 of Libraries Entry pages Top 10 of Libraries pageviews

5. History Started August 2000 by Steve Morris Steve knew of 8 maps services but found 7 more – realized map servers were beginning to quickly emerge and the need to have a link page Pre-Google – “Links” pages were more relied upon Dan Madding 2002: NC OneGIS

6. Internet Archive: 3/3/2001

7. http://www.lib.ncsu.edu/gis/cities.html City GIS Links Less Comprehensive - Less Comprehensive - Larger number of municipalities municipalities - Fewer municipal services services - Most data is incorporated into incorporated into county services county services

8. Library Holdings - php template - External links - Related City GIS - Wikipedia - Links to NCSU Geodata server server - All vector data - Some raster data http://lib.ncsu.edu/gis/counties/codata.php...

9. http://www.co.union.nc.us/PropertyServices/GISMaps/tabid/82/Default.aspx GIS WebsitesPreferably: - Contact Info - Dept. organization - Links to: Map Server Map Server Data Download or Data Download or other acquisition other acquisition Related Depts. Related Depts. Map Gallery Map Gallery Disclaimers Disclaimers Metadata Metadata GIS help GIS help

10. http://imaps.co.wake.nc.us/imaps/main.htm... Map Servers - Link directly to Disclaimer statement when possible

11. Downloads

12. http://www.nconemap.net/datacatalog NC OneMap Orthophotos Links directly to NC - Links directly to NC OneMap Orthophoto OneMap Orthophoto download section download section

13. .ims Files - Provided by Dan Madding, NCDA Madding, NCDA - Allow connection of ArcMap to ArcIMS ArcMap to ArcIMS servers servers - 3 known WFS Services in NC: Henderson Co, NC: Henderson Co, Sampson Co, Town of Sampson Co, Town of Highlands (Macon Co) Highlands (Macon Co) Others? Others? Save.ims file to C:\Documents and Settings\USERNAME\Application Data\ESRI\ArcCatalog

14. http://www.nconemap.net/datacatalog WMS Links Maintained by - Maintained by NC OneMap NC OneMap - Both.ims and WMS services are useful for: services are useful for: - Counties that don’t provide data provide data downloads downloads - Potential web-based applications applications

15. Maintenance Originally: - Originally: - Static - HTML - Now: - Dynamic - php/MySQL - Persistent ID table - Advantages - Fast - Status Maps - Fool-proof HTML http://www.lib.ncsu.edu/gis/counties.html

16. phpMyAdmin phpMyAdmin

17. Persistent Ids Persistent Ids - Purpose: - One update – multiple uses multiple uses - Clicks get recorded in logs in logs - Structure - Resolver script - Query parameter using FIPS code using FIPS code http://www.lib.ncsu.edu/cgi-bin/getloc.pl?loc=G37001ws

18. Persistent Ids – Usage by Others Persistent Ids – Usage by Others

19. Link Maintenance - Average approx. 15 min. per week - Check links approx. twice / yr - students & interns - Heavily depend on new/broken link reports from users

20. GIS Lookup - Searches containing an NC County name returns a link to the Library Holdings page Library Holdings page

21. http://www.google.com Google Search Usually: - County GIS Links - 1st or 2nd hit - Library Holdings - 2nd or 3rd hit

22. NC Counties with GIS Map Server 93 / 100 5 Sep. 2008

23. 50 / 100 5 Sep. 2008 NC Counties with GIS Download

24. NC Counties with WMS 58 / 100 5 Sep. 2008

25. County Mapping and Data Services in NC 100 Counties in NC

26. Counties.html Filtered Page Hits by FY Anomaly due to spider filtering problems.

27. Comparison of Online County GIS Services: Ten Counties that had all services during FY 07-08

28. Map Server Link Clicks: FY 07-08

30. Map Server Top 20 Links Catawba Henderson Wake Iredell Lincoln Wilkes Sampson Swain Cabarrus Haywood 2976 2910 2880 2509 2505 2193 1936 1905 1896 1847 Mecklenburg Cleveland Guilford Buncombe Robeson Gaston Rowan Caldwell Johnston Forsyth 1806 1699 1686 1675 1674 1627 1545 1515 1507 1506

31. Map Server Top 21 NCSU Links Wake Brunswick Catawba Beaufort Alamance Mecklenburg Johnston Alexander Carteret Bladen 51 37 32 31 28 26 25 23 Granville Durham Camden Chatham Franklin Ashe Dare Haywood Hoke Warren Watauga 23 21 20 19 18 17

32. Clicks by County to Library Holdings Pages All Clicks NCSU Only Clicks NCSU : non-NCSU 1:13.5

33. Clicks by County to GIS Contact/Info Pages All Clicks NCSU Only Clicks NCSU : non-NCSU 1:57.1

34. All Clicks NCSU Only Clicks Clicks by County on Map Server Links NCSU : non-NCSU 1:51.8

35. NCSU Only Clicks Clicks by County on Public Download Links All Clicks NCSU : non-NCSU 1:13

36. NCSU Only Clicks Clicks by County on.ims files All Clicks NCSU : non-NCSU 1:8.8

37. NCSU Only Clicks Clicks by County on WMS links All Clicks NCSU : non-NCSU 1:2.5

38. NCGDAP NCGDAP (NDIIPP) - NCSU Libraries - NCCGIA - Library of Congress - Objective: - Engage existing state/federal SDI in preservation - Dspace depository - No remote access - Focus on archiving annual “snapshots”

39. Roanoke Roanoke - Network data access - Mapped from PC and Mac - Campus ID/pass - Vector data archive -Most orthos stored on CD - Collection spans ~ 8 years

40. Future Desires - Add local govt. GIS data records into the main library catalog - Be able to extract Contact and Framework info from RAMONAhttp://www.lib.ncsu.edu/cataloghttp://www.nc.gisinventory.net

41. Feedback - Missing/Broken Links? - Suggestions for improvement? - Questions? Jeff Essic jeff_essic@ncsu.edu Matt Sumner matt_sumner@ncsu.edu