191 articles AirGon Tools, Tips and Workflows

Utilizing a NOAA CORS Station as a base for your ASPSuite Project.

When a base station file is corrupted or incorrectly recorded (for example: observation rate is not set correctly), a CORS Station may be available to use in its place. To obtain and utilize a CORS Station file, follow the instructions below: Visit https://www.ngs.noaa.gov/CORS_Map/ and navigate to the area of the flight. Once you have found…

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Metashape – Orthomosaic formatting for MicroStation and TerraPhoto Reference

MicroStation and TerraPhoto reference  require a RGB orthomosaic image. The normal workflow for exporting sUAS derived orthomosaics from Metashape creates a RGBA image. Make sure the setting in the screenshot below is unchecked to create a RGB orthomosaic.

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ASPSuite – Checking for gaps in Loki and base station observation files

If the Loki or the base station recording is interrupted, there will be gaps in the raw data that will affect ASPSuite processing. This can be verified in ASPSuite.  After completing steps 1-3, click on the diagnostics button in the top right of the ASPSuite window: In the window that pops up, click on “File”…

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Agisoft – Loading Camera Location Accuracy from XMP Meta Data

Metashape Version 1.5.3 There is an option in Agisoft Metashape/Photoscan to load camera location accuracy from XMP meta data. Below are instructions for changing the settings to allow these accuracies to be loaded automatically. Open Metashape. Click on “Tools” and “Preferences” from the dropdown. Click on the “Advanced” tab and check “Load camera location accuracy…

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Adjusting image positions in Agisoft Metashape with ASPSuite local coordinate transformation

ASP Suite has the ability to adjust camera positions based on a local coordinate system. These positions are not updated in the EXIF data, but placed in a file in the “PPK” folder from the ASPSuite project. To import this file into Agisoft Metashape, please follow the instructions below: Open Metashape and import project images.…

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LP360 Surface Methods

The surface method defines how z or elevation values are determined when exporting a surface or comparing control points to a surface. Each surface method implements a different way of interpolating elevations from LIDAR points. The following describe the surface methods in more detail. Triangulation (TIN)TIN (Triangulated Irregular Network) partitions a surface into a set…

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Intensity – Point Insertion vs Triangulation

When generating intensity rasters using the LP360 Export Wizard or LDExport one has the option of generating the raster using Point Insertion or Triangulation surface methods. Surface Method Type: Triangulation Point Insertion Description Generates a Triangular Irregular Network (TIN) and probes the center of each cell for an interpolated value from the triangulated surface. Finds…

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LP360 Short Tutorial – Importing ASCII to shapefile

Learn how to convert ASCII text files into shapefiles for use in LP360 in this short introductory tutorial. To make use of the Drive Mode shortcuts available within the LP360 Control Points toolbar for navigation and filtering see the information on the built-in descriptions.

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Files with Geographic coordinate system cannot be processed. (23123)

User encounters, “Files with Geographic coordinate system cannot be processed. (23123)” while attempting to execute a point cloud task. LP360 does not process LIDAR data that is in geographic coordinate systems. Please reproject the data to a projected system instead.

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