104 articles AirGon Tools, Tips and Workflows

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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Deciphering the Compatibility Group

In the LP360 Add Files dialog there is a Compatibility Group column in the Advanced Columns section. The letter assigned in this column to each file contain some insight into which LAS files can go on the same layer based on their version, PDRF, and GPS Time Format. The Spatial Reference System (SRS) of the LAS…

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Using FileZilla to Exchange Files with GeoCue Group Support

At times while working with GeoCue Group Support it may become necessary to exchange large files or large numbers of files. We suggest the use of an FTP Client to make this easier. If you don’t have your own, or are not familiar with using an FTP client we suggest using the FileZilla project. FileZilla…

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Using different Geiods in ASP Suite

Using Different Geoids in ASP Suite Note: This workflow is experimental. If any issues are encountered using this workflow, please contact AirGon support. Users can load additional Geiods to the ASP Suite.   The file must be in .gtx format. You can convert those files with VDATUM. Here is a link to this: https://vdatum.noaa.gov/download_agreement.php   Find…

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Mission Planner: When using auto waypoint, the map appears in the ocean off the coast of Africa

Problem: When using the auto waypoint tool to plan a mission in Mission Planner for the AV900: And the screen which comes up looks like this, with the location being in the ocean off the coast of Africa, and all the stats are at 0.00: Probable Resolution: The polygon you created is too small and…

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Error updating columns (13498)

Problem: Adding LAS files to the LP360 Add Files dialog results in an error stating, “Error updating columns (13498)”. Probable Resolution: Something is missing from the header of the LAS file that is supposed to be there according to the file and the LAS specification. Most usually seen when the WKT flag is toggled, but…

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LP360 Error: The task ‘PointCloudStatsExtractor’ cannot be run

Problem: LP360 Errors when trying to run a Point Cloud Statistics Extractor PCT, stating, “The task ‘PointCloudStatsExtractor’ cannot be run. Reason: An Error occurred expanding environment variables in the path: “. Verify the Environment Variable is defined in the System Properties of this computer.” Probable Resolution: This error message likely indicates that the output dataset…

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LP360 Error: Validating Settings Failed. (8716)

Problem: LP360 Errors when trying to run a PCT, stating, “Validating Settings Failed. (8716)”. Clicking on “Expand this” will provide additional insight such as Exception Information: HRESULT: 0x80004005 Description: Invalid dataset name. (8737) Probable Resolution: This error message likely indicates that the output dataset (shapefile) has not been specified, or it is relying on the…

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LP360 Error: Getting Spatial References Failed. (17124)

Problem: In LP360 for ArcGIS, while trying to Define the 3D Window’s Extent, LP360 errors stating, “Getting Spatial References Failed (17124)”. Expanding the error message dialog for more information reveals, “QI to ISpatialReference failed (21422)”. Probable Resolution: The most probable cause is the lack of a Spatial Reference System (SRS) specified on the LAS Layer…

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