WLIA welcomes you to the 33rd Annual Conference at the Marriott Madison West, in Middleton, Wisconsin, February 19-21, 2020. 

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Workshop [clear filter]
Wednesday, February 19

9:30am CST

LiDAR 101
LiDAR is becoming common place in the geospatial spatial field, this workshop will cover the basics of LiDAR. First, there will be an overview of what LiDAR is, how it works, and the different types of sensors and their capabilities. Followed by an explanation of how the data from the sensor is processed, calibrated, and validated. Next will be a discussion of how the data is classified and the types of end products, such as DEM’s and contours, that can be generated from the data. It will also include a look at the many different products that can be created from LiDAR data. Lastly, there will be an overview of the many different applications that LiDAR can be used for and a discussion on how existing LiDAR data that you have can be re-purposed. The workshop will include looking at data from both fixed wing sensors and higher resolution data from static and mobile platforms.


Sonja Ellefson

Mapping Resource Manager, GPI
Sonja Ellefson the Mapping Resource Manager for GPI Geospatial in Sheboygan WI.  She is an ASPRS Certified Photogrammetrist who studied geology at MIT then went on to get her masters degree in photogrammetry and remote sensing from University College London.  She has spent over... Read More →

Tyler Stentz

Project Manager, GPI Geospatial
Tyler Stentz is a project manager at GPI Geospatial Inc. He graduated from the University of Wisconsin Stevens-Point with a BS in Geography Urban Planning. Tyler manages mapping projects utilizing aerial, mobile and static LiDAR paired with digital imagery.  He has 10 years of experience... Read More →

Wednesday February 19, 2020 9:30am - 12:30pm CST
Salon F

1:30pm CST

Mapping Technology for GIS applications - Comparing UAS, Photogrammetry, and LiDAR
This presentation will compare three approaches for acquiring geospatial data for site specific projects. Data collected from UAS will be compared and contrasted to other aerial platforms. We will distinguish between LiDAR and photogrammetry, and discuss the most appropriate approach to various project types. We will cover the topics of expected accuracies and best practices for generating and using elevation datasets and planimetrics.

avatar for Matt Vinopal

Matt Vinopal

Project Professional, Ayres Associates
Matt joined Ayres Associates in 1999 as a survey and stereo compilation technician and has been the LiDAR supervisor since 2005. Matt is responsible for LiDAR flight planning, oversight of LiDAR and stereo compilation production, metadata development, accuracy reporting and final... Read More →
avatar for Zach Nienow

Zach Nienow

Geospatial Project Manager, Ayres Associates
Zachary Nienow, GISP, is a geospatial project manager at Ayres Associates with extensive experience in digital mapping, GIS, and project management. He designs and leads LiDAR and orthoimagery projects from planning through flight and then data processing, quality control, and completion... Read More →

Wednesday February 19, 2020 1:30pm - 4:30pm CST
Green Bay