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snippet: This is a digital terrain hillshade, shaded relief model, based upon the Lidar collected in April 2021. Hillshade, shaded relief model, was developed by the Illinois State Geologic Survey.
summary: This is a digital terrain hillshade, shaded relief model, based upon the Lidar collected in April 2021. Hillshade, shaded relief model, was developed by the Illinois State Geologic Survey.
accessInformation: Illinois State Geologic Survey
thumbnail:
maxScale: 18025.282035439803
typeKeywords: ["ArcGIS Server","Data","Image Service","Service"]
description: <span style='color:rgb(0, 0, 0); font-family:&quot;Trebuchet MS&quot;, Arial, Helvetica, sans-serif;'><font size='3'>When only the ground returns in a classified point cloud are used, the resulting hydro-flattened grid of bare-earth elevations is a DTM. Also, lake surfaces are smoothed and stream courses are conditioned for downhill flow using breakline data. This subset of the processed returns from the airborne laser sensor represent the ground surface and is commonly referred to as the ‘Bare Earth’ point cloud.</font></span><div><span style='color:rgb(0, 0, 0); font-family:&quot;Trebuchet MS&quot;, Arial, Helvetica, sans-serif; font-size:medium;'>Additionally, each county contains an associated shaded relief model, or ‘hillshade’, and also ArcGrid pyramid files and statistics to facilitate display and analysis.</span><span style='color:rgb(0, 0, 0); font-family:&quot;Trebuchet MS&quot;, Arial, Helvetica, sans-serif; font-size:14px;'><br /></span></div>
licenseInfo: <span style='font-family:&quot;Avenir Next W01&quot;, &quot;Avenir Next W00&quot;, &quot;Avenir Next&quot;, Avenir, &quot;Helvetica Neue&quot;, sans-serif; font-size:16px;'>Please review the Terms of Open Geo-Spatial Data License posted on this website: </span><a href='https://www.willcountyillinois.com/County-Offices/Administration/GIS-Division/Data' style='color:rgb(0, 121, 193); text-decoration-line:none; font-family:&quot;Avenir Next W01&quot;, &quot;Avenir Next W00&quot;, &quot;Avenir Next&quot;, Avenir, &quot;Helvetica Neue&quot;, sans-serif; font-size:16px;'>https://www.willcountyillinois.com/County-Offices/Administration/GIS-Division/Data</a><span style='font-family:&quot;Avenir Next W01&quot;, &quot;Avenir Next W00&quot;, &quot;Avenir Next&quot;, Avenir, &quot;Helvetica Neue&quot;, sans-serif; font-size:16px;'>.</span>
catalogPath:
title: Lidar2021_DTH
type: Image Service
url: https://gis.willcountyillinois.com/image
tags: ["Lidar","Will County","DTH","Hillshade"]
culture: en-US
portalUrl:
name: Lidar2021_DTH
guid:
minScale: 576809.0251340737
spatialReference: NAD_1983_2011_StatePlane_Illinois_East_FIPS_1201_Ft_US