Category Archive: LiDAR

Mar 06

“Orthos 101” webinar coming May 3, 2018

The science behind aerial imagery, orthoimagery production, and photogrammetry, and what it means for Wisconsin Our aerial mapping experts will be hosting an “Orthos 101” webinar on May 3, 2018 at 1pm. In today’s world of drones, obliques, and LiDAR (light detection and ranging), you may be asking yourself if the principles of photogrammetry still matter. …

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Dec 28

Integrating Unmanned Aerial Systems (UAS) with Geospatial Services

Ayres Associates has always been driven to develop the best solutions to fit our client’s needs by utilizing a combination of advanced technologies and work flows.  So, it should not be surprising that Ayres has embraced the use of Unmanned Aerial Systems (UAS) and now regularly integrates the data from such systems into its project …

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Dec 20

High Density Lidar for Colorado DOT Applications

High Density Aerial Lidar of Wray, Colorado (CDOT Front Range NPS – Region 4 – Riverine Design & Analysis) Ayres expands upon its use of high accuracy Lidar for important transportation corridor design and improvement projects throughout Colorado.  In the past year, our Aerial Mapping Services group has been working closely with our engineering staff …

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Apr 18

Droning on and on…Are drones destined for the trash?

No, drone technology is not going away. In fact, its use in the professional services marketplace is only expanding. One application we’ve developed expertise in is utilizing UAS to analyze landfills. Landfills are often run as a business, and, like any business, operators make decisions based on metrics and try to increase efficiencies to improve …

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Mar 30

Using Remote Sensing for Forest Regeneration Analysis

Forestry is the backbone of the Menominee Indian Tribe of Wisconsin’s economy. For 150 years, Menominee Tribal Enterprises (MTE) has managed the Tribe’s 235,000 acres and has become an industry leader in sustainable forestry.  In 2007, a tornado destroyed over 2,200 acres of prime hardwood forest, creating a massive impact on future revenue. MTE was …

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Feb 24

Land information gathering highlights best of Wisconsin

    This week, hundreds of land information professionals, GIS specialists, mapping experts, and others have come together for the 30th annual Wisconsin Land Information Association conference in Wisconsin Dells. The event, which Ayres Associates proudly sponsors at the platinum level, offers more than 50 educational sessions, technical workshops, and countless opportunities to network with …

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Feb 17

Ayres Attends Lidar Conference in Denver

A contingent from Ayres Associates attended the International LiDAR Mapping Forum (ILMF) in Denver February 13-15. Jim Kelly, Jason Krueger, Adam Derringer, and Matt Vinopal   This technical conference is one of the most important national events that our Aerial Mapping group attends each year.  With a bustling exhibit hall and three days of technical presentations, the conference …

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Feb 10

Four Weeks of Fun: Ayres Completes City-wide Asset Management Project in Record Time

Complex real world problems require multifaceted solutions, and Ayres Associates stepped to the plate and delivered during the 2016 holiday season. Under tight time constraints and adverse weather conditions, the staff from our Aerial Mapping and Land Survey groups combined forces to fulfill an important year-end delivery. The result was accurate data put into the …

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Dec 12

Geospatial Technology for Stormwater Management

Effective stormwater management can make or break a municipalities preparedness for major rain and flood events. Too often municipalities opt for reacting to major storm events, rather than properly preparing for them.  Storm event preparedness is no easy feat and it often takes tremendous effort to identify and prioritize best management practices.  Ayres Associates understands the …

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Jul 21

Geospatial Analysis of Road Washouts

On July 11 Northern Wisconsin saw severe storms leading to millions of dollars of damage in several counties.  Many roads could remain closed potentially for months greatly affecting transportation in the height of the region’s tourism season.  Ayres Associates structural and highway engineers mobilized quickly to provide extremely fast-track design services to replace culverts with …

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Jun 30

Automated Extraction of Building Footprints Using LiDAR

Delineating and mapping building footprints may be used for multiple purposes such as emergency management, planning and zoning, demographic estimations, and natural resource management. It is fairly quick to heads-up-digitize buildings in a small area of interest. But it is very time consuming to digitize building footprints for a large area. Using classified LiDAR points …

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Mar 08

Catching up with USGS & 3DEP at ILMF

Ayres Associates sent a contingency of project managers and supervisors to the 2016 International LiDAR Mapping Forum (ILMF) in Denver, Colorado.  ILMF is a technical conference and exhibition showcasing the latest LiDAR advances and emerging remote-sensing technologies.     Our team had a unique opportunity to meet with key staff from USGS staff regarding the ongoing …

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Jan 28

Rapid Tree Canopy Delineation from Aerial LiDAR

Recent developments in mapping technology have made it possible to efficiently extract two dimensional tree canopy polygons from LiDAR point clouds, even in leaf-off conditions. Historically, LiDAR data has been utilized primarily to create high resolution ground surfaces and digital contours. Digital Elevation Models and Digital Surface Models are the most common products derived from …

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Dec 01

New EPSG codes published for Wisconsin

On November 25, 2015, EPSG codes were published for Wisconsin’s county-specific coordinate systems. This is the first time that the Wisconsin Coordinate Reference System (WISCRS) will have registered EPSG codes. The codes reference the NAD83 (2011) definition of WISCRS, which was required by EPSG. The codes can be found at What does this mean …

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Nov 10

HD Laser Scan of WWII Era Tug Boat in Kewaunee

As part of a survey of the Kewaunee Harbor on Lake Michigan, Ayres Associates captured a detailed Laser Scan of the Harbor Park and surrounding area. The centerpiece of the Park is the Tug Ludington, which participated in the D-Day Invasion of Normandy and had an important role in Great Lakes.  Formerly known as LT-4 by its …

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