Although these are available elsewhere on CT ECO, there are only available in 3D in this viewer.
The points in the Lidar dataset are displayed using RGB color information from underlying aerial imagery. The result is a photorealistic display which helps us understanding the points and what they represent on the ground.
Also called Modulate using intensity, the points are colored based on intensity values. Intensity is a relative measure of the return strength of the Lidar laser beam. There are many contributing factors to intensity, but generally and as an example, a flat, impervious surface will have a greater intensity than variable vegetation.
The points in the Lidar dataset are displayed based on their elevation in feet. Reds are the highest values and blue is the lowest.
A subset of the colorized points that represent buildings and bridges only.
Zoom to the Middletown area to view 3D buildings and 3D trees. Notice the accurate roof lines as the Lidar elevation points were used. Click on any tree to open a pop-up displayed tree height and crown diameter. Click on any building to view building height, roof type as well as street address.
This layer turns on a grid which represents the tiles of the 2016 flight. Click on any tile and the pop-up has a direct link to the zip file contains the LAS point Lidar data at that location. This is especially handy when used with other Lidar point layers in the viewer.
This dataset was created for Fairfield County, CT by running the Enrich layer analysis on flood zones. The Flood Zones were extracted from FEMA.