Articles

Point Data Record Format
February 04, 2016

ASPRS (American Society for Photogrammetry and Remote Sensing) LAS Specification defines the attributed that can be stored in each point data record format (0 through 10). This article provides a summary as to which attributes can be stored in which format.

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Monitoring Borrow Pit Volumes
January 14, 2016

A borrow pit is an area where soil and/or rock is removed, added or both for use at some other location (for example, in obtaining fill dirt for highway construction projects). Learn how to monitor the amount of material change in the pit (volumetric change).

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Message from the President: January 2016
January 12, 2016

Updates from our President, Lewis Graham, for January 2016.

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Message from the President: December 2015
December 15, 2015

Updates from our President/ CTO, Lewis Graham, as of December 2015.

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Determining the Coordinate Reference System of LIDAR Data
December 01, 2015

A portion of the QA/QC process should be to determine what the Coordinate Reference System (CRS) or Spatial Reference System (SRS) is for the LIDAR data. Both horizontal and vertical CRS should be determined as part of the QA/QC process. This check ensures that the data has the correct information assigned within the header of the LAS files.

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Message from the President: November 2015
November 16, 2015

Updates from our President, Lewis Graham, for November 2015.

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Message from the President: October 2015
October 21, 2015

Updates from our President/ CTO, Lewis Graham, as of October 2015.

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Engineering vs Cartographic Contours
October 15, 2015

Contours are polylines that are used to connect locations of equal value and show how values change across a surface model. When talking about contours it is not uncommon to hear about Engineering Contours versus Cartographic Contours. The question becomes what is the difference between the two?

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How to Thin the Dataset
September 16, 2015

LP360 currently provides four options for thinning the bare earth dataset to allow you to take it into those other software packages.

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FAA Exemption, LIDAR Server and a New GeoCue Workflow
September 03, 2015

We have had a lot of things going on in August 2015 from finalizing a new client interface for LIDAR Server to receiving our Section 333 Exemption from the FAA. In addition we have started a new workflow integration project that will see a major image processing system hosted in Amazon Web Services

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Recognizing Misalignment Patterns for Airborne LIDAR System Calibration
August 05, 2015

In order to accurately complete an aerial LIDAR survey it is important that the sensor is properly calibrated. Airborne LIDAR calibration can be a complex and daunting task. TerraScan and TerraMatch are a wonderful toolset to assist the analyst in determining and correcting these systematic errors.

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Development, Windows 10, and EXP LP360 2015.1
August 05, 2015

Updates from our President, Lewis Graham, for August 2015.

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LP360 Testing, Metric Mapping Kits and a New LIDAR Server
July 09, 2015

Updates from our President, Lewis Graham, for July 2015.

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LIDAR Quality Levels- Part 1
July 09, 2015

This article is the first in a series that provides an overview of Quality Levels in LIDAR data.

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Fixing LAS timestamps
June 23, 2015

In some cases hardware manufacturers and/or software are not properly setting the GPS Timestamps in an LAS file according to the LAS specification. To assist users, TerraScan introduced a tool that could be used to "fix" the timestamps associated with LIDAR point data.

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