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Hillshade (2006)

***NOTE***The data is held under license from InfoTech International, and cannot be publicly released. 

A Hillshade is a  shaded relief raster from a raster. Simply, when used with maps, it provides a three-dimensional aspect to the map based upon the relief of the underlying area.  A more detailed definition of a hillshade can be found here.

This hillshade was computed from the 2006 Digital Elevation Model (DEM) acquired by the Los Angeles Regional Imagery Acquisition Consortium (LARIAC), and is a 5 foot by 5 foot raster grid.  This hillshade has been improved by Hwa Saup Lee of the County’s Internal Services Department to smooth the differences between the two LAR-IAC collection areas (high resolution 5 foot and low resolution 10 foot) and create a single seamless hillshade.

Samples

Countywide

Detailed View

Layer File (for use by L.A. County employees)

Hillshade (2006) – Corrected (Layer File)

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Data Field Descriptions

Single pixel value from 0-255


GIS Source Information
Database Name: AERIAL
Feature Class Name: LARIAC.HILLSHADE
Feature Dataset Name (if applicable):
Reference Date: 2006
Accuracy: Parcel
Update Frequency: Unknown
Access Constraints:Government

Contact Information
Steve Steinberg
Geographic Information Officer
County of Los Angeles
Internal Services Department
9150 E. Imperial Hwy, MS#3
33.916650, -118.132255
Downey, CA 90242
egis@isd.lacounty.gov
(562) 392-7126

2 comments to Hillshade (2006)

  • KEvin – sorry this took a while – shoot me an email with the bounding box and I can extract for you.

  • I am interested in receiving the hillshade data for the City of Inglewood. We would like to obtain this data to use as a layer as indicated in the ESRI MyGovernment Services model for our City. I do have the 2006 DEMS but I’m having issues producing the hillshade data for some reason.

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