| snippet:
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The DEMs model the bare-earth surface and are enforced with the 3D breaklines created for this project. |
| summary:
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The DEMs model the bare-earth surface and are enforced with the 3D breaklines created for this project. |
| accessInformation:
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|
| thumbnail:
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thumbnail/thumbnail.png |
| typeKeywords:
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["Data","Service","Image Service","ArcGIS Server"] |
| description:
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Dewberry collected 1200 square miles of lidar data in Hillsborough County, Florida. The nominal pulse spacing for this project was 1 point every 0.25 meters or a nominal pulse density of 16 points per square meter. Dewberrry used proprietary procedures to classify the LAS according to project specifications: 1-Unclassified, 2-Ground, 6-Building Rooftops, 7-Low Noise, 9-Water, 17- Bridge Decks, 18-High Noise. Geometrically unreliable points, ground points within 2 feet of breaklines, and ground points within 3 feet of buiding rooftops have been identified with the Withheld Flag. Overage points have been identified with the Overlap Flag. The lidar data were combined with 3D breaklines compiled by Dewberry to create hydro-enforced bare-earth DEMs. The data were tiled according to the Florida Statewide Lidar Index tiling scheme with each tile covering an area of 5,000 feet by 5,000 ft. |
| licenseInfo:
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These data were collected under the supervision of a licensed Professional Surveyor and Mapper. Use of these data require a understanding of GIS. |
| catalogPath:
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|
| title:
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Bare-earth Digital Elevation Models (DEMs) |
| type:
|
Image Service |
| url:
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http://gisimgvmprod10.ad.swfwmd.net:6080/arcgis/services/DEM/HillsboroughDEM17/ImageServer |
| tags:
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["Florida","Lidar","Hydro-enforced","Bare-earth DEM","Elevation Data","Hillsborough County","Breaklines"] |
| culture:
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en-US |
| name:
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HillsboroughDEM17 |
| guid:
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|
| spatialReference:
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NAD_1983_2011_StatePlane_Florida_West_FIPS_0902_Ft_US |