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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 LAR-IAC2 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 – LARIAC4

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 (LAR-IAC) in winter 2013/2014. This imagery covers the majority of urban/suburban areas of the County in mainland (approximately 2,898 square miles) and Catalina Island covering approximately 75 square miles.

The rest of the County, […]

LARIAC4 (2014) 4-inch and 1 foot Orthophoto Imagery Seamline and Date Flown

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 to […]

Countywide Building Outlines – 2014

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 is NOT public – you must be a member of LARIAC to access it. If you are interested in […]

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 – LAR-IAC

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 4-inch orthophotography data. Hundreds of millions of ground measurements were made using this system, which […]

2011 LAR-IAC 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 (LAR-IAC) 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 – LAR-IAC3

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 corresponds […]

2011 4-inch Color Orthophotography – LAR-IAC3

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 (LAR-IAC) in winter 2010/2011. This imagery covers the majority of urban/suburban areas of the County in mainland (approximately 2,898 square miles) and Catalina Island covering approximately 75 square miles. The rest of the County, […]

LAR-IAC Data Files (Grids & Auxiliary Layers)

LAR-IAC3 AT Block Layout (and links to LAR-IAC and LAR-IAC2 data grids). […]

Countywide Building Outlines – 2008 – 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 LAR-IAC2 Project (2008 acquisition).

[…]

2006 10-foot Digital Elevation Model (DEM) – LAR-IAC – 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 features, […]

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)

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) […]

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 space […]

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 County […]

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) – LAR-IAC

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 the DEM (Digital Elevation Model) represents bare earth.

This dataset is one of a group of […]

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

 

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 roads, as well as natural terrain features, whereas .

Download

The 5 foot data cannot […]

2006 4-inch Color Infrared (CIR) Orthophotography – LAR-IAC

 

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

Infrared is an additional wavelength of information that can be captured by many aerial photography sensors in addition to the general Red/Green/Blue (RGB) channels typical to most imagery. The […]

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 LAR-IAC 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 solar model […]

2008 1-foot Orthophotography (National Forest) – LAR-IAC2

Countywide Coverage

Natural color, leaf-off, 1-foot high-resolution, high-accuracy orthorectified aerial imagery, acquired by the Los Angeles Regional Imagery Consortium (LAR-IAC2) in early 2008. This imagery covers the National Forest areas of the County, approximately 1,056 square miles, and is a separate dataset. The urban/suburban areas of the County in mainland (approximately 2,898 […]

2006 1-foot Orthophotography (National Forest) – LAR-IAC

Coverage

Natural color, leaf-off, 1-foot high-resolution, high-accuracy orthorectified aerial imagery, acquired by the Los Angeles Regional Imagery Consortium (LAR-IAC) in early 2006. This imagery covers the National Forest areas of the County, approximately 1,056 square miles, and is a separate dataset. The urban/suburban areas of the County in mainland (approximately 2,898 square […]

2006 4-inch Color Orthophotography – LAR-IAC

Detail

Natural color, leaf-off, 0.33-foot (4-inch) high-resolution, high-accuracy orthorectified aerial imagery, acquired by the Los Angeles Regional Imagery Consortium (LAR-IAC) in early 2006. This imagery covers the majority of urban/suburban areas of the County in mainland (approximately 2,898 square miles) and Santa Catalina Island covering approximately 75 square miles. The rest of […]

2008 4-inch Color Orthophotography – LAR-IAC2

Detail

Natural color, leaf-off, 0.33-foot (4-inch) high-resolution, high-accuracy orthorectified aerial imagery, acquired by the Los Angeles Regional Imagery Consortium (LAR-IAC) in winter 2007/2008. This imagery covers the majority of urban/suburban areas of the County in mainland (approximately 2,898 square miles) and Catalina Island covering approximately 75 square miles. The rest of the […]