Tech Corner

PT Clouds: Working with Huge Point Clouds

Bill Neuhauser on Jan 26, 2016 4:00:00 PM

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Here is a quick way of getting what you need from a huge PT cloud plus a lot more.  Let’s create what I call a Hybrid PT Cloud. We'll take a huge 2500 acre LIDAR created PT cloud that is nearly 37 million points and import it into Civil 3D as PT clouds. We will do this by eventually creating three separate DWGs, each with one surface. Using data shortcuts we will reference into a third DWG the two other surfaces and paste them together to make a HYBRID surface that includes both.

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Part 1: Point Clouds the new way of surveying? You decide.

Bill Neuhauser on Oct 8, 2015 9:01:00 AM

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Over the next few months I will be discussing some of my adventures with point clouds and ways of creating them and using then in both AutoCAD Civil 3D and InfraWorks.  Over this time I hope to get everyone on board as to why PT clouds are the new way of surveying. 

Here is just a teaser.  Below are two PT clouds created of the east steps of the Minnesota State Capital during its recent $300 million restoration project.

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Using MnGeo LiDAR Data in Civil 3D

Douglas Benoit on Jul 2, 2015 10:16:00 AM

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Once a LAZ file from the MnGeo website, which is by default metric, has been extracted and cropped, follow the steps below to bring the resulting metric LAS file into an Autodesk AutoCAD Civil 3D 2016 imperial environment to create usable data and ultimately a surface.

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