NCSU Libraries County and City Data NCSU Libraries County and City Data Directory: Directory: Everything You’ve Always Wanted to Know Everything You’ve Always Wanted to Know

Jeff EssicJeff EssicMatt Sumner Matt Sumner NCSU LibrariesNCSU Libraries

http://www.lib.ncsu.edu/gishttp://www.lib.ncsu.edu/gis

County GIS County GIS LinksLinks

County GIS County GIS LinksLinks

Link to Municipal Directory

PopularityPopularity – Consistently within:

• Top 5 of Libraries Entry pages• Top 10 of Libraries pageviews

HistoryHistory

• 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

Internet Archive: 3/3/2001

http://www.lib.ncsu.edu/gis/cities.html http://www.lib.ncsu.edu/gis/cities.html

City GIS Links

- Less ComprehensiveLess Comprehensive- Larger number ofLarger number of municipalitiesmunicipalities

- Fewer municipalFewer municipal servicesservices

- Most data isMost data is incorporated intoincorporated into county servicescounty services

Library HoldingsLibrary Holdings - php templatephp template

- External linksExternal links- Related City GISRelated City GIS- WikipediaWikipedia

- Links to NCSU GeodataLinks to NCSU Geodata serverserver

- All vector dataAll vector data- Some raster dataSome raster data

http://lib.ncsu.edu/gis/counties/codata.php...http://lib.ncsu.edu/gis/counties/codata.php...

http://www.co.union.nc.us/PropertyServices/GISMaps/tabid/82/Default.aspxhttp://www.co.union.nc.us/PropertyServices/GISMaps/tabid/82/Default.aspx

GIS Websites

Preferably:Preferably:- Contact Info- Contact Info- Dept. organization- Dept. organization- Links to:- Links to:• Map ServerMap Server• Data Download or Data Download or other acquisitionother acquisition• Related Depts.Related Depts.• Map GalleryMap Gallery• DisclaimersDisclaimers• MetadataMetadata• GIS help GIS help

http://imaps.co.wake.nc.us/imaps/main.htm...http://imaps.co.wake.nc.us/imaps/main.htm...

Map Servers

- Link directly to Disclaimer statement when possible

DownloadsDownloads

http://www.nconemap.net/datacataloghttp://www.nconemap.net/datacatalog

NC OneMapNC OneMapOrthophotosOrthophotos

- Links directly to NCLinks directly to NC OneMap OrthophotoOneMap Orthophoto download sectiondownload section

.ims Files.ims Files - Provided by DanProvided by Dan Madding, NCDAMadding, NCDA

- Allow connection ofAllow connection of ArcMap to ArcIMSArcMap to ArcIMS serversservers

- 3 known WFS Services in3 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 toC:\Documents and Settings\USERNAME\Application Data\ESRI\ArcCatalog

http://www.nconemap.net/datacataloghttp://www.nconemap.net/datacatalog

WMS LinksWMS Links WMS LinksWMS Links

- Maintained byMaintained by NC OneMapNC OneMap

- Both .ims and WMSBoth .ims and WMS services are useful for:services are useful for:

- Counties that don’tCounties that don’t provide dataprovide data downloadsdownloads

- Potential web-basedPotential web-based applicationsapplications

MaintenanceMaintenance

- Originally:Originally:- StaticStatic- HTMLHTML

- Now:Now:

- DynamicDynamic- php/MySQLphp/MySQL- Persistent ID tablePersistent ID table

- AdvantagesAdvantages- FastFast- Status MapsStatus Maps- Fool-proof HTMLFool-proof HTML

http://www.lib.ncsu.edu/gis/counties.html http://www.lib.ncsu.edu/gis/counties.html

phpMyAdminphpMyAdmin

Persistent IdsPersistent Ids

- Purpose:Purpose:- One update –One update – multiple usesmultiple uses- Clicks get recordedClicks get recorded in logsin logs

- StructureStructure- Resolver script Resolver script - Query parameterQuery parameter using FIPS codeusing FIPS code

http://www.lib.ncsu.edu/cgi-bin/getloc.pl?loc=G37001ws

Persistent Ids – Usage by OthersPersistent Ids – Usage by Others

Link MaintenanceLink Maintenance

- Average approx. 15 min. per weekAverage approx. 15 min. per week

- Check links approx. twice / yrCheck links approx. twice / yr- students & internsstudents & interns

- Heavily depend on new/broken link reports from usersHeavily depend on new/broken link reports from users

GIS LookupGIS Lookup

- Searches containing an NC County name returns a link to theSearches containing an NC County name returns a link to the Library Holdings pageLibrary Holdings page

http://www.google.comhttp://www.google.com

Google SearchGoogle Search

Usually:Usually:

- County GIS LinksCounty GIS Links- 1st or 2nd hit1st or 2nd hit

- Library HoldingsLibrary Holdings- 2nd or 3rd hit2nd or 3rd hit

NC Counties with GIS Map ServerNC Counties with GIS Map Server

93 / 100

5 Sep. 2008

50 / 100

5 Sep. 2008

NC Counties with GIS DownloadNC Counties with GIS Download

NC Counties with WMSNC Counties with WMS

58 / 100

5 Sep. 2008

County Mapping and Data Services in NCCounty Mapping and Data Services in NC

100 Counties in NC100 Counties in NC

0

10

20

30

40

50

60

70

80

90

100

2000 2001 2002 2003 2004 2005 2006 2007 2008

Nu

mb

er o

f C

ou

nti

es

Map ServerData DownloadWMS

13,284

42,206

84,058

160,527

141,595

155,118

171,128

0

20,000

40,000

60,000

80,000

100,000

120,000

140,000

160,000

180,000

2001-2002 2002-2003 2003-2004 2004-2005 2005-2006 2006-2007 2007-2008

Counties.html Filtered Page Hits by FY

Anomaly due to spider filtering problems.

550

395

521

239

135207

60

185 185 149

1208

382

971

1586

433

821

313

907

1164

1714

1459

574

1670

1893

722

2909

841

984

1224

2876

231184

278210

128 15381

292

144

531

3 0 4 4 0 1 0 1 0 180

29 48 40 24 23 23 26 42 5768 38 62 47 23 32 25 31 57 69

0

500

1000

1500

2000

2500

3000

Alamance Anson Buncombe Cabarrus Craven Henderson Macon New Hanover Union Wake

Lib Web

GIS Web

Web Map

Dwnld

OM Orth

IMS File

WMS Link

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

Map Server Link Clicks: FY 07-08

666

1699

144

296

1334

2976

496

1085

155

1515

1896

1278

1675

1466

1026

201

1061

779

829

578

562

1005

1469

0 500 1000 1500 2000 2500 3000 3500

Columbus

Cleveland

Chowan

Cherokee

Chatham

Catawba

Caswell

Carteret

Camden

Caldwell

Cabarrus

Burke

Buncombe

Brunswick

Bladen

Bertie

Beaufort

Avery

Ashe

Anson

Alleghany

Alexander

Alamance

1191

2509

605

304

2910

1847

1081

492

1686

123

702

1627

901

1506

532

885

441

903

1169

380

311

1091

723

0 500 1000 1500 2000 2500 3000 3500

Jackson

Iredell

Hoke

Hertford

Henderson

Hayw ood

Harnett

Halifax

Guilford

Greene

Granville

Gaston

Franklin

Forsyth

Edgecombe

Durham

Duplin

Davie

Davidson

Dare

Currituck

Cumberland

Craven

638

974

2193

1315

919

182

427

2880

1230

1905

1433

638

1463

393

1936

1196

1545

892

1674

1128

880

536

0 500 1000 1500 2000 2500 3000 3500

Yadkin

Wilson

Wilkes

Wayne

Watauga

Washington

Warren

Wake

Union

Sw ain

Surry

Stokes

Stanly

Scotland

Sampson

Rutherford

Row an

Rockingham

Robeson

Richmond

Randolph

Polk

Map Server Link Clicks: FY 07-08

1254

622

207

883

183

229

887

1003

102

986

1089

1008

1429

1806

31

1073

842

2505

725

436

34

1507

0 500 1000 1500 2000 2500 3000 3500

Pitt

Person

Perquimans

Pender

Pasquotank

Pamlico

Orange

Onslow

Northampton

New Hanover

Nash

Moore

Montgomery

Mecklenburg

McDow ell

Madison

Macon

Lincoln

Lenoir

Lee

Jones

Johnston

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

Map Server Top 21 NCSU Links

Wake

Brunswick

Catawba

Beaufort

Alamance

Mecklenburg

Johnston

Alexander

Carteret

Bladen

51

37

32

31

28

28

26

25

25

23

Granville

Durham

Camden

Chatham

Franklin

Ashe

Dare

Haywood

Hoke

Warren

Watauga

23

21

20

19

19

18

18

17

17

17

17

Clicks by County to Library Holdings PagesClicks by County to Library Holdings Pages

All Clicks

NCSU Only Clicks

NCSU : non-NCSU1:13.5

Clicks by County to GIS Contact/Info PagesClicks by County to GIS Contact/Info Pages

All Clicks

NCSU Only Clicks

NCSU : non-NCSU1:57.1

All Clicks

NCSU Only Clicks

Clicks by County on Map Server LinksClicks by County on Map Server Links

NCSU : non-NCSU1:51.8

NCSU Only Clicks

Clicks by County on Public Download LinksClicks by County on Public Download Links

All Clicks

NCSU : non-NCSU1:13

NCSU Only Clicks

Clicks by County on .ims filesClicks by County on .ims files

All Clicks

NCSU : non-NCSU1:8.8

NCSU Only Clicks

Clicks by County on WMS linksClicks by County on WMS links

All Clicks

NCSU : non-NCSU1:2.5

NCGDAPNCGDAP (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”

RoanokeRoanoke

- Network data access- Mapped from PC and Mac- Campus ID/pass

- Vector data archive-Most orthos stored on CD

- Collection spans ~ 8 years

Future DesiresFuture Desires

- Add local govt. GIS data records into the main library catalog

- Be able to extract Contact and Framework info from RAMONA

http://www.lib.ncsu.edu/cataloghttp://www.lib.ncsu.edu/cataloghttp://www.nc.gisinventory.nethttp://www.nc.gisinventory.net

FeedbackFeedback

- Missing/Broken Links?

- Suggestions for improvement?

- Questions?

Jeff Essic jeff_essic@ncsu.edu

Matt Sumner matt_sumner@ncsu.edu