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GIS Event Calendar
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Web Services

GRANIT provides access to both web mapping services (WMS) and REST services, as listed below. Except where noted, all services are referenced to NH State Plane feet, NAD83.

For guidance on connecting to GRANIT services, click here.

For users having difficulty connecting to GRANIT services, click here.

GRANIT Web Mapping Services

Web Map Services (WMS) allow the user to access GIS data layers online, without downloading the data itself. A WMS requests map images from a server over the Internet. Those images are then added to your map document, e.g. your layer list in ArcMap.

The following WMS are currently available. Note that two URL's are listed for each data set - the first URL is for the unsecure (http) service, while the second URL is for the secure (https) protocol.

I. High Resolution Imagery (1-foot or better)
2015 Statewide High Resolution (1 ft.) Aerial Photography - True Color (RGB)
http://granitweb.sr.unh.edu:6080/arcgis/services/ImageServices/NH_2015_1ft_RGB/ImageServer/WMSServer
https://granitweb.sr.unh.edu/granit/services/ImageServices/NH_2015_1ft_RGB/ImageServer/WMSServer

2015 Statewide High Resolution (1 ft.) Aerial Photography - Color Infrared (CIR)
http://granitweb.sr.unh.edu:6080/arcgis/services/ImageServices/NH_2015_1ft_CIR/ImageServer/WMSServer
https://granitweb.sr.unh.edu/granit/services/ImageServices/NH_2015_1ft_CIR/ImageServer/WMSServer

2010-11 Statewide High Resolution Aerial Photography - RGB
(Includes 2010 1-foot RGB southern and central NH, and 2011 1-foot RGB for northern NH.)
http://granitweb.sr.unh.edu:6080/arcgis/services/ImageServices/Coastal_2013_1ft_RGB/ImageServer/WMSServer
https://granitweb.sr.unh.edu/granit/services/ImageServices/NH_2010_2011_1ft_RGB/ImageServer/WMSServer

2010-11 Statewide High Resolution Aerial Photography - CIR
(Includes 2010 1-foot RGB southern and central NH, and 2011 1-foot RGB for northern NH.)
http://granitweb.sr.unh.edu:6080/arcgis/services/ImageServices/NH_2010_2011_1ft_CIR/ImageServer/WMSServer
https://granitweb.sr.unh.edu/granit/services/ImageServices/NH_2010_2011_1ft_CIR/ImageServer/WMSServer

2010-11 Regional Very High Resolution Aerial Photography - RGB
(Includes 2010 6" RGB imagery, available for selected regions of NH.)
http://granitweb.sr.unh.edu:6080/arcgis/services/ImageServices/Regional_2010_6inch_RGB/ImageServer/WMSServer
https://granitweb.sr.unh.edu/granit/services/ImageServices/Regional_2010_6inch_RGB/ImageServer/WMSServer

2010-11 Regional Very High Resolution Aerial Photography - CIR
(Includes 2010 6" CIR imagery, available for selected regions of NH.)
http://granitweb.sr.unh.edu:6080/arcgis/services/ImageServices/Regional_2010_6inch_CIR/ImageServer/WMSServer
https://granitweb.sr.unh.edu/granit/services/ImageServices/Regional_2010_6inch_CIR/ImageServer/WMSServer

2006 1-Foot Color Aerial Photos for Lakes Region New Hampshire - RGB
http://granitweb.sr.unh.edu:6080/arcgis/services/ImageServices/Regional_2006_1ft_RGB/ImageServer/WMSServer
https://granitweb.sr.unh.edu/granit/services/ImageServices/Regional_2006_1ft_RGB/ImageServer/WMSServer

2006 1-Foot Color Aerial Photos for Lakes Region New Hampshire - CIR
http://granitweb.sr.unh.edu:6080/arcgis/services/ImageServices/Regional_2006_1ft_CIR/ImageServer/WMSServer
https://granitweb.sr.unh.edu/granit/services/ImageServices/Regional_2006_1ft_CIR/ImageServer/WMSServer

2005 1-Foot Color Aerial Photos for Southeast New Hampshire - RGB
http://granitweb.sr.unh.edu:6080/arcgis/services/ImageServices/Regional_2005_1ft_RGB/ImageServer/WMSServer
https://granitweb.sr.unh.edu/granit/services/ImageServices/Regional_2005_1ft_RGB/ImageServer/WMSServer

2005 1-Foot Color Aerial Photos for Southeast New Hampshire - CIR
http://granitweb.sr.unh.edu:6080/arcgis/services/ImageServices/Regional_2005_1ft_CIR/ImageServer/WMSServer
https://granitweb.sr.unh.edu/granit/services/ImageServices/Regional_2005_1ft_CIR/ImageServer/WMSServer

II. Lower Resolution Imagery - 60 cm to 1 meter
2016 National Agriculture Imagery Program (NAIP) 60-cm Color Aerial Imagery for New Hampshire - RGB
http://granitweb.sr.unh.edu:6080/arcgis/services/ImageServices/NH_NAIP_2016_RGB/ImageServer/WMSServer
https://granitweb.sr.unh.edu/granit/services/ImageServices/NH_NAIP_2016_RGB/ImageServer/WMSServer

2016 National Agriculture Imagery Program (NAIP) 60-cm Color Aerial Imagery for New Hampshire - CIR
http://granitweb.sr.unh.edu:6080/arcgis/services/ImageServices/NH_NAIP_2016_CIR/ImageServer/WMSServer
https://granitweb.sr.unh.edu/granit/services/ImageServices/NH_NAIP_2016_CIR/ImageServer/WMSServer

2014 National Agriculture Imagery Program (NAIP) 1-meter Color Aerial Imagery for New Hampshire - RGB
http://granitweb.sr.unh.edu:6080/arcgis/services/ImageServices/NH_NAIP_2014_RGB/ImageServer/WMSServer
https://granitweb.sr.unh.edu/granit/services/ImageServices/NH_NAIP_2014_RGB/ImageServer/WMSServer

2014 National Agriculture Imagery Program (NAIP) 1-meter Color Aerial Imagery for New Hampshire - CIR
http://granitweb.sr.unh.edu:6080/arcgis/services/ImageServices/NH_NAIP_2014_CIR/ImageServer/WMSServer
https://granitweb.sr.unh.edu/granit/services/ImageServices/NH_NAIP_2014_CIR/ImageServer/WMSServer

2012 National Agriculture Imagery Program (NAIP) 1-meter Color Aerial Imagery for New Hampshire - RGB
http://granitweb.sr.unh.edu:6080/arcgis/services/ImageServices/NH_NAIP_2012_RGB/ImageServer/WMSServer
https://granitweb.sr.unh.edu/granit/services/ImageServices/NH_NAIP_2012_RGB/ImageServer/WMSServer

2012 National Agriculture Imagery Program (NAIP) 1-meter Color Aerial Imagery for New Hampshire - CIR
http://granitweb.sr.unh.edu:6080/arcgis/services/ImageServices/NH_NAIP_2012_CIR/ImageServer/WMSServer
https://granitweb.sr.unh.edu/granit/services/ImageServices/NH_NAIP_2012_CIR/ImageServer/WMSServer

2011 National Agriculture Imagery Program (NAIP) 1-meter Color Aerial Imagery for New Hampshire - RGB
http://granitweb.sr.unh.edu:6080/arcgis/services/ImageServices/NH_NAIP_2011_RGB/ImageServer/WMSServer
https://granitweb.sr.unh.edu/granit/services/ImageServices/NH_NAIP_2011_RGB/ImageServer/WMSServer

2011 National Agriculture Imagery Program (NAIP) 1-meter Color Aerial Imagery for New Hampshire - CIR
http://granitweb.sr.unh.edu:6080/arcgis/services/ImageServices/NH_NAIP_2011_CIR/ImageServer/WMSServer
https://granitweb.sr.unh.edu/granit/services/ImageServices/NH_NAIP_2011_CIR/ImageServer/WMSServer

2009 National Agriculture Imagery Program (NAIP) 1-meter Color Aerial Imagery for New Hampshire - RGB
http://granitweb.sr.unh.edu:6080/arcgis/services/ImageServices/NH_NAIP_2009/ImageServer/WMSServer
https://granitweb.sr.unh.edu/granit/services/ImageServices/NH_NAIP_2009/ImageServer/WMSServer

2008 National Agriculture Imagery Program (NAIP) 1-meter Color Aerial Imagery for New Hampshire - RGB
http://granitweb.sr.unh.edu:6080/arcgis/services/ImageServices/NH_NAIP_2008/ImageServer/WMSServer
https://granitweb.sr.unh.edu/granit/services/ImageServices/NH_NAIP_2008/ImageServer/WMSServer

2003 National Agriculture Imagery Program (NAIP) 1-meter Color Aerial Imagery for New Hampshire - RGB
http://granitweb.sr.unh.edu:6080/arcgis/services/ImageServices/NH_NAIP_2003/ImageServer/WMSServer
https://granitweb.sr.unh.edu/granit/services/ImageServices/NH_NAIP_2003/ImageServer/WMSServer

III. Topography
Topographic Composite
A single WMS with multiple elevation layers is available. It includes a series of statewide topographic data sets generated from the USGS National Elevation Dataset (NED), as well as regional data derivatives generated from the various LIDAR acquisitions available in NH. The WMS also includes statewide USGS topographic maps. Users may access the WMS at:
http://granitweb.sr.unh.edu:6080/arcgis/services/GRANITView/GRANITView_Elevation/MapServer/WMSServer
https://granitweb.sr.unh.edu/granit/services/GRANITView/GRANITView_Elevation/MapServer/WMSServer

We will continue to maintain the individual topographic services listed below.

National Elevation Dataset - NH Extract - 2011- DEM
http://granitweb.sr.unh.edu:6080/arcgis/services/ImageServices/NH_NED_2011/ImageServer/WMSServer
https://granitweb.sr.unh.edu/granit/services/ImageServices/NH_NED_2011/ImageServer/WMSServer

National Elevation Dataset - NH Extract - 2011- Hillshade
http://granitweb.sr.unh.edu:6080/arcgis/services/ImageServices/NH_NED_2011_HS/ImageServer/WMSServer
https://granitweb.sr.unh.edu/granit/services/ImageServices/NH_NED_2011_HS/ImageServer/WMSServer

LiDAR - Coastal NH - 2011 - 2Meter DEM
http://granitweb.sr.unh.edu:6080/arcgis/services/ImageServices/Southeast_LiDAR_DEM/ImageServer/WMSServer
https://granitweb.sr.unh.edu/granit/services/ImageServices/Southeast_LiDAR_DEM/ImageServer/WMSServer

LiDAR - Coastal NH - 2011 - Hillshade
http://granitweb.sr.unh.edu:6080/arcgis/services/ImageServices/Southeast_LiDAR_HS/ImageServer/WMSServer
https://granitweb.sr.unh.edu/granit/services/ImageServices/Southeast_LiDAR_HS/ImageServer/WMSServer

IV. Digital Raster Graphics
1:24,000 Topographic Quad Scans
http://granitweb.sr.unh.edu:6080/arcgis/services/ImageServices/NH_24k_DRGs/ImageServer/WMSServer
(includes scans of 1:24,000-scale USGS topographic quad series)
https://granitweb.sr.unh.edu/granit/services/ImageServices/NH_24k_DRGs/ImageServer/WMSServer

GRANIT REST Services

GRANIT provides access to a REST geocoding service that utilizes the NH Parcel Mosaic data as well as Census Bureau TIGER road centerlines. We thank axiomatic, Portsmouth, NH for their assistance in developing this service. You may access the service at the following URL:
http://granitweb.sr.unh.edu:6080/arcgis/rest/services/OtherServices/axiomatic_composite_locator/GeocodeServer

All other GRANIT image REST services are located at: http://granitweb.sr.unh.edu:6080/arcgis/rest/services/ImageServices

Connecting to GRANIT REST Services

  1. In the ArcCatalog Catalog Tree, expand the GIS Servers folder.
  2. Double-click Add ArcGIS Server
  3. Select "Use GIS services"
  4. Enter the following URL in the "Server URL:" window: http://granitweb.sr.unh.edu:6080/arcgis/rest/services

Adding a WMS Layer to an ArcMap Document

  1. In ArcMap, click the Add Data button.
  2. Click the Look in drop-down arrow and navigate to the GIS Servers folder.
  3. The GIS Servers folder will give you a list of servers you have previously used. Scroll the list until you see the WMS server you want to use.
  4. Double-click the WMS server you want to access. (If you don't see the server you want, double-click Add WMS Server. For more information on connecting to a WMS server, see Connecting to GIS Servers below.)
  5. Click the WMS service.
  6. Click Add.

Connecting to WMS Servers

  1. In the ArcCatalog Catalog Tree, expand the GIS Servers folder.
  2. Double-click Add WMS Server.
  3. In the Add WMS Server window, enter the desired URL from the list of GRANIT Web Map Services above, and click Get Layers.
  4. Click OK to close the Add WMS Server window.
  5. Double-click the new WMS server.
  6. Click the WMS service.
  7. Click Add.

Using WMS in AutoCAD Products

Please click here for instructions on accessing WMS with AutoCAD Map 3D 2009, AutoCAD Civil 3D 2009, or AutoCAD Civil 3D Land Desktop Companion 2009.

Difficulty Connecting?

February 2017. We have received reports of non-ESRI users having difficulty connecting to certain GRANIT web mapping services. This seems to be the case for users of older versions of Civil3D (e.g. versions prior to 2016), as well as users of MapGuide OS 2.6. For those constituents, GRANIT has published two additional WMS' without the associated external capability file enabled. They will therefore default to WGS84 when accessed. They are available at:

2015 Statewide High Resolution (1 ft.) Aerial Photography - True Color (RGB)
http://granitweb.sr.unh.edu:6080/arcgis/services/ImageServices/NH_2015_1ft_RGB_No_Capabilities_File/ImageServer/WMSServer
https://granitweb.sr.unh.edu/granit/services/ImageServices/NH_2015_1ft_RGB_No_Capabilities_File/ImageServer/WMSServer

Digital Raster Graphics (DRG's)
http://granitweb.sr.unh.edu:6080/arcgis/services/ImageServices/NH_24k_DRGs_No_Capabilities_File/ImageServer/WMSServer
https://granitweb.sr.unh.edu/granit/services/ImageServices/NH_24k_DRGs_No_Capabilities_File/ImageServer/WMSServer

Note that, as above, the first URL in each paired listing refers to the unsecure (http) service, while the second URL refers to the secure (https) protocol.

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