341 articles TrueView Tools, Tips and Workflows Page 17 / 35

GeoCue’s repository of TrueView tools, tips and workflows for the TrueView line of drone mapping products. Includes former AirGon products such as Loki and ASPSuite.

Error Using the Output Coordinate System

While executing the Reproject Point Cloud Task to take data from a known Spatial Reference System (SRS) to a custom or user-defined coordinate system (32767) the user encounters an error message stating, “Error using the output coordinate system: Failed to set target coordinate system from WKT. GDAL importFromWKT() returned 5. The custom or user-define coordinate…

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Exporting LAS files failed. (17340): Unexpected error in LASExporter::ExportTINRaster()

Error encountered while exporting digital elevation models using the LP360 Export Wizard: [Window Title] LP360 Error [Main Instruction] Exporting LAS files failed. (17340) [Expanded Information] Exception Information: HRESULT: 0x8000ffff Description: Unexpected error in LASExporter::ExportTINRaster() [^] Collapse this  [ ] Do not show exceptions again.  [OK] [Footer] Press ‘Ctrl+C’ to copy message to clipboard. The problem…

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Creating polygon features for bare-earth points that are within different elevation ranges

Summary: The feature edit toolbar in LP360 has a function that allows the user to create features based on identified features. In this document, we will review a workflow for creating contour features that will represent elevation changes for an area. This could be useful for a flood plain map and other planning purposes: Creating…

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Loading Stored Filters failed. (17894)

Open LP360 or ArcMap with the LP360 for ArcMap extension loaded results in the error, “Loading Stored Filters failed. (17894)”, with the description of “The XML file is not a ‘Stored Filters’ format XML document. (10343) The filters.xml file found in the user’s “C:\Users\%user%\AppData\Roaming\LP360”, where %user% is the currently logged in Windows user, has somehow…

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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 Continuously Operating Reference Station (CORS) may be available to use in its place. To obtain and utilize a CORS file, follow the instructions below:

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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 “Write Alpha Channel” setting in the screenshot below is unchecked to create a RGB orthomosaic in Metashape before attempting to import into TerraPhoto.

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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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