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Dothan Police and Houston County Deputies Learn how to Map Crime Scenes

Matt Boster

Viewed: 3490

Posted by: Matt Boster
Date: Sep 10 2014 1:00 PM

DOTHAN: This week members of the Dothan Police Department along with Deputies from the Houston County Sheriff’s Office learned how to map out crime scenes that will help with investigations in the future. The class is 40 hours long and consists of the following:


Crash Zone is an in-depth, “hands-on” course where they construct scale diagrams of various crash scenarios including the final resting positions of vehicles and road surface evidence.  Crush damage and the direction of impact will also be covered.  Completed diagrams then are produced on a plotter or laser printer.


In addition, they learned how to utilize data collected with laser mapping systems, such as LTI and Total Station, to create accurate, professional-looking diagrams suitable for courtroom presentation.


Topics included:
•  Creating scaled computer diagrams
•  Creating presentation images for explaining crash scenarios
•  Safeguarding the data while creating diagrams
•  Using baseline offset and triangulation methods to create diagrams
•  Using laser mapping data
•  Creating, modifying and placing symbols
•  Adding text and dimensioning
•  Creating separate layers for illustration
•  Measuring the distance and angles of pre- and post-impact trajectories
•  Extracting information for use in linear momentum and other equations
•  Creating time and distance illustrations
•  Importing and exporting images 
•  Using basic photogrammetry on imported images
•  Creating scale bars, title and legend boxes
•  Importing and exporting various file types
•  Creating basic 3D illustrations


 




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