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2016 3-foot Digital Surface Model (DSM) – LARIAC 4

***NOTE***The data is held under license from Eagle View Technologies, Inc. (formerly Pictometry International Corp), and cannot be publicly released.

The Digital Surface Model (DSM) was acquired as part of the Los Angeles Regional Imagery Acquisition Consortium in 2016. The DSM contains elevations and includes buildings, vegetation, and […]

2016 3-foot Digital Elevation Model (DEM) – LARIAC 4

***NOTE***The data is held under license from Eagle View Technologies, Inc. (formerly Pictometry International Corp), and cannot be publicly released.

Digital Elevation Model (DEM) acquired as part of the Los Angeles Regional Imagery Acquisition Consortium in 2016. The DEM represents bare earth, whereas a related product (DSM) contains […]

Countywide Building Outlines – 2014 Update – Public Domain Release

November 1, 2016 – this data is now public

The Countywide building outline dataset contains building outlines (over 3,000,000) for all buildings in Los Angeles County, including building height, building area, and the parcel number (also known as building footprints). This data was captured from stereo imagery as part of the LARIAC2 Project (2008 acquisition) […]

Parking Lot Boundaries – Commercial, Industrial, Government (2014)

This dataset contains the boundaries of parking lots in the County of Los Angeles 5,000 square feet and larger for commercial, industrial, and government properties.

Download

LARIAC_PARKING_LOTS_2014 (zipped shapefile)

Description

The Los Angeles County Office of Sustainability funded the development of this dataset in order to support the identification […]

2014 Color Orthophotography – LARIAC 4

***NOTE***The 4-inch imagery is under license from Pictometry International, and cannot be publicly released.

This dataset represents natural color, leaf-off, 0.33-foot (4-inch) high-resolution, high-accuracy orthorectified aerial imagery, acquired by the Los Angeles Regional Imagery Consortium (LARIAC) in winter 2013/2014. This imagery covers the majority of urban/suburban areas of the County in mainland (approximately 2,898 square […]

2014 4-inch and 1 foot Orthophoto Imagery Seamline and Date Flown – LARIAC 4

These dataset contains the dates of the imagery as well as the image chips that were compiled into the 2014 Los Angeles Regional Imagery Acquisition Consortium (LARIAC4) 4-inch and 1-foot color orthophotography.

Each polygon contains an 8 digit number that corresponds to the date the image was acquired (for example, 20140125 corresponds […]

Countywide Building Outlines – 2014 – LARIAC 4

***NOTE***This new data is NOT public – you must be a member of LARIAC to access it.

LA County, through its LARIAC program, has updated its 2008 building outlines to incorporate changes since the buildings were initially captured in 2008 (click here to view and download that data).

This new data […]

LARIAC4 approved by the Board of Supervisors

Hello,

This Tuesday, December 3rd, the LA County Board of Supervisors approved the contract with Pictometry International Corp to acquire digital aerial imagery and QAQC services – collectively known as LARIAC4.

Link to the Board Agenda (LARIAC4 is item 15) Link to the Approved contract

As the project director, I am excited […]

LARIAC4 Kick-off meeting

Established in 2005, the Los Angeles Region Imagery Acquisition Consortium (LAR-IAC) has delivered highly accurate digital aerial imagery and elevation datasets to participants at substantial cost savings. To ensure the currency of the aerial imagery, we are working with consortia members to plan and initiate the next round of LAR-IAC – LAR-IAC4.

This attached letter […]

2006 2-foot contours – LARIAC

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

2 foot contours acquired as part of the Los Angeles Regional Imagery Acquisition Consortium in 2006.

The Digital Surface Model was acquired using LIDAR (Light Detection And Ranging), which used a laser mounted in planes that were acquiring […]

2011 LARIAC Imagery – Public Domain (1 foot) – FREE

USGS Earth Explorer

This dataset represents natural color, leaf-off, 1 foot high-accuracy orthorectified aerial imagery, acquired by the Los Angeles Regional Imagery Consortium (LARIAC) in winter 2010/2011, and made public with the partnership of the US Geological Survey (USGS). The DEM represents bare earth, whereas a related product (DSM) contains elevations and includes […]

2011 4-inch and 1 foot Orthophoto Imagery Date Flown – LARIAC 3

This dataset contains the dates of the imagery compiled into the 2011 Los Angeles Regional Imagery Acquisition Consortium 4-inch and 1-foot color orthophotography. We are currently waiting for one final block to be added to this dataset (the National Forest north of Santa Clarita).

Each polygon contains a 8 digit number that […]

2011 4-inch Color Orthophotography – LARIAC 3

***NOTE***The 4-inch imagery is under license from Pictometry International, and cannot be publicly released.

This dataset represents natural color, leaf-off, 0.33-foot (4-inch) high-resolution, high-accuracy orthorectified aerial imagery, acquired by the Los Angeles Regional Imagery Consortium (LARIAC) in winter 2010/2011. This imagery covers the majority of urban/suburban areas of the County in mainland (approximately 2,898 […]

Countywide Building Outlines – 2008 – LARIAC 2 – Public Domain

November 1, 2012 – this data is now public

The Countywide building outline dataset contains building outlines (over 3,000,000) for all buildings in Los Angeles County, including building height, building area, and the parcel number (also known as building footprints). This data was captured from stereo imagery as part of the LARIAC2 Project (2008 acquisition).

[…]

2006 10-foot Digital Elevation Model (DEM) – LARIAC – Public Domain

Digital Elevation Model (DEM) acquired as part of the Los Angeles Regional Imagery Acquisition Consortium in 2006, and made public with the partnership of the US Geological Survey (USGS). The DEM represents bare earth, whereas a related product (DSM) contains elevations and includes buildings, vegetation, and roads, as well as natural terrain […]

Height raster dataset (2006)

Height data for the urban/suburban areas of the County of Los Angeles developed from information captured in 2006 by the LAR-IAC program.

This height data was developed from the following two data sources:

The Digital Elevation Model (DEM) which modeled the ground surface at 5-foot intervals. Click here for more […]

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

Solar Radiation Model (2006)

Solar Insolation (global radiation) for the County of Los Angeles developed from information captured in 2006 by the LAR-IAC program.

This data was created through the Area Solar Radiation function in ESRI’s ArcGIS Desktop. For more details about this function, view the ESRI help file. That function creates four output files:

[…]

Normalized Difference Vegetation Index (NDVI) – 2006

Normalized Difference Vegetation Index (NDVI) for the urban/suburban areas of the County of Los Angeles developed from information captured in 2006 by the LAR-IAC program.

The Normalized Difference Vegetation Index (NDVI) is a simple numerical indicator that can be used to analyze remote sensing measurements, typically but not necessarily from a […]

Tree Canopy – Raster (2006 Data)

Tree Canopy for the urban/suburban areas of the County of Los Angeles developed from information captured in 2006 by the LAR-IAC program. This dataset was updated in October 2011 – see below for details.

This dataset was developed by the County of Los Angeles Chief Information Office in support of the LA […]

2010 6-inch Post-Fire Orthophotography

This data is 6-inch color orthophotography flown the week of February 15th, 2010 to document the impact of debris flows February 6th, 2010.

Coverage Area (with Station Fire Perimeter)

On the morning of February 6th, 2010, the community of La Canada Flintridge saw a major debris flow on a number of streets […]

County owned buildings (2D and 3D models)

Details

May 10, 2013 – added the 2D building outlines

Models of County owned buildings in three formats (shape, multipatch, and KML). These buildings were created for the LA County Solar Map and were used for high resolution modeling of solar potential

Downtown Area

for each building.

[…]

2006 5-foot (1.7 M) Digital Surface Model (DSM) – LARIAC

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

Digital Surface Model (DSM) acquired as part of the Los Angeles Regional Imagery Acquisition Consortium in 2006. The DSM contains elevations and includes buildings, vegetation, and roads, as well as natural terrain features, whereas […]

2006 5-foot (1.7M) Digital Elevation Model (DEM) – LARIAC

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

Digital Elevation Model (DEM) acquired as part of the Los Angeles Regional Imagery Acquisition Consortium in 2006. The DEM represents bare earth, whereas a related product (DSM) contains elevations and includes buildings, vegetation, and […]

2006 4-inch Color Infrared (CIR) Orthophotography – LARIAC

 

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

Color Infrared, leaf-off, 0.33-foot (4-inch) high-resolution, high-accuracy orthorectified aerial imagery, acquired by the Los Angeles Regional Imagery Consortium (LARIAC) in winter 2005/2006.

Infrared is an additional wavelength of information that can be captured by many aerial […]

2006 Buildings (2-foot raster)

Coverage

Buildings for the urban/suburban areas of the County of Los Angeles developed from information captured in 2006 by the LARIAC Program.

This dataset was developed by the County of Los Angeles Chief Information Office in support of the LA County Solar Map Application (http://solarmap.lacounty.gov). A […]

2008 1-foot Orthophotography (National Forest) – LARIAC 2

Countywide Coverage

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

Natural color, leaf-off, 1-foot high-resolution, high-accuracy orthorectified aerial imagery, acquired by the Los Angeles Regional Imagery Consortium (LARIAC 2) in early 2008. This imagery covers the National Forest areas of the County, approximately 1,056 square […]

2006 1-foot Orthophotography (National Forest) – LARIAC

Coverage

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

Natural color, leaf-off, 1-foot high-resolution, high-accuracy orthorectified aerial imagery, acquired by the Los Angeles Regional Imagery Consortium (LARIAC) in early 2006. This imagery covers the National Forest areas of the County, approximately 1,056 square miles, and […]

2006 4-inch Color Orthophotography – LARIAC

Detail

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

Natural color, leaf-off, 0.33-foot (4-inch) high-resolution, high-accuracy orthorectified aerial imagery, acquired by the Los Angeles Regional Imagery Consortium (LARIAC) in early 2006. This imagery covers the majority of urban/suburban areas of the County in mainland (approximately […]

2008 4-inch Color Orthophotography – LARIAC 2

Detail

***NOTE***The 4-inch imagery is held under license from Pictometry International, and cannot be publicly released.

Natural color, leaf-off, 0.33-foot (4-inch) high-resolution, high-accuracy orthorectified aerial imagery, acquired by the Los Angeles Regional Imagery Consortium (LARIAC) in winter 2007/2008. This imagery covers the majority of urban/suburban areas of the County in mainland […]