Lewis Graham has written 59 articles

LP360 Features Utility Tool

As many of you who are involved in LIDAR breakline collection know, we added some very nice feature edit tools to the Standard level of LP360 (Windows standalone version).  One of these tools, “Create Features from Selected Features” is a very handy utility tool.  Its basic function is to collect features you have selected with…

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AirGon Quick Tip

If you are not accustomed to survey techniques, this is a quick tip for speeding up visits to repetitive sites. The AirGon Loki Direct Geopositioning system is a huge time saver when it comes to drone survey work.  Loki reduces or eliminates the need for ground control points (but please, always have a reliable way…

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Direct Geopositioning Accuracy using AirGon Loki – A Case Study

Introduction: In September of 2017, AirGon LLC released Loki, a direct geopositioning system for the DJI Inspire 2 drone as well as generic drones carrying a digital single lens reflex (DSLR) camera.  Since that time, Loki has been adapted to the Phantom 4 Pro and the m2xx series of DJI drones.   A direct geopositioning system…

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The Accuracy Triangle – The Photogrammetric Triad

We get a lot of questions regarding accuracy in drone mapping projects.  These questions range from ground control layout suggestions to the necessity of calibration cameras.  Sometimes it is useful to step back a bit and take a wholistic view of the elements that impact photogrammetric accuracy.   The information in this article is meant…

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Automatic Ground Classification of Dense Point Clouds in LP360

The density of point clouds (usually expressed as points per square meter) is increasing on what seems to be a monthly basis.  This is particularly true of point clouds derived from Dense Image Matching (DIM), the clouds produced from software such as PhotoScan, Pix4D, DroneDeploy and so forth. You can quickly check the density of…

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An Introduction to ASPSuite

We are releasing a significant update to the AirGon Sensor Package Software Suite (ASPSuite or just ASP) with the release of our new direct geopositioning system (DGPS), Loki.  ASPSuite is the intermediate step between landing the drone and feeding data to the Structure from Motion (SfM) software (PhotoScan, Pix4D, DroneDeploy and etc.). ASPSuite is available…

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Monochromatic/Hillshade Displays in LP360

We have added a new monochromatic display mode in LP360 as well as rearranged the hillshade options to a more logical arrangement. A monochromatic display is just what it implies – a solid, single color display of all points regardless of attributes such as class or return number.  This mode of display is ideal for…

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An Introduction to LAS File Analyst

In 2016 we added a very powerful new tool to LP360 (standalone version) called Feature Analyst.  This is a tabular-driven tool that synchronizes a table view of Features, Feature Parts and Vertices with their graphical representation in the Map and Profile views.  This tool has improved the creation, editing and quality checking of features such…

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AirGon Sensor Package Software Suite, Redux

The AirGon Sensor Package (ASP) software suite is part of the AirGon software workflow and is used to process Global Navigation Satellite System (GNSS) information from the AV-900 ASP hardware for Post-Processed Kinematic (PPK) direct geopositioning (wow, that is truly a mouthful!!). Last year we introduced the Bring Your Own Drone (BYOD) Mapping Kit to…

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