The elevation data is served as a map service using Esri's ArcGIS Server. Click here to learn more about how we are doing it.
ArcGIS Online is a website by Esri that provides a platform for using, creating, and sharing maps, apps, and data, and accessing authoritative basemaps. CT ECO uses ArcGIS online to share many of Connecticut's maps and make it possible for users to save and make changes to the maps.
Google Earth is a virtual globe, map and geographical information program.
ArcGIS is powerful desktop GIS software by Esri. It is not free.
The REST endpoint of all of the elevation services is https://cteco.uconn.edu/ctraster/rest/services/elevation.
The REST endpoint of the Long Island Sound water polygon is http://clear3.uconn.edu/arcgis/rest/services/LIS/LISWaterMask/MapServer.
The REST endpoint of Elevation Contours (from 2000 base data, including 2ft, 5 ft, 10 ft, 20 ft, 50 ft, 100 ft) is https://cteco.uconn.edu/ctmaps/rest/services/Elevation/CT_Contours_2000/MapServer.
There are many lidar-based elevation datasets on CT ECO. The information page contains specifics about each including documentation.
Help and tips when using the Elevation Viewer.
Help and tips when using the Elevation Interact Map.
Frequently asked questions pertaining to Lidar.
Raster functions allow the user (that's you!) to change the way the elevation DEM service is displayed.
Under the Hood explains how the Lidar DEMs are served on CT ECO and specifics about each function.