178 articles AirGon Tools, Tips and Workflows

ASPSuite Error: Camera Event Interpolation FAILED!

Error Message: Camera Event Interpolation FAILED! Index was outside the bounds of the array. Probable Solution 1: If you are using Loki with an M200/210 series or Phantom 4 Pro, you must plan and fly your mission in DJI GS Pro. If other flight planning apps are used, then the image positions will not be…

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Metashape: When using dedicated GPUs, please turn off integrated GPUs

Integrated GPUs will be included in the list of available devices (Tools>Preferences> GPU tab) if they are recognized by Metashape.  To disable them, just un-check the box next to the GPU you wish to disable.  It will be up to the user to know if the GPU is integrated or dedicated. Metashape will use all…

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DJI: Missing photos from first part of your flight

Your flight application indicated you collected more images than you are downloading from your SD card. The images you downloaded all seem to be from the end of the flight, and the images from the first part of the flight are missing. The number sequence of your photos reached 999, a new folder was created,…

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Phantom 4 RTK – Compass Calibration Instructions

Below are step-by-step instructions showing how to calibrate the compass for the Phantom 4 RTK. Once in “Fly” Mode, tap the ellipse in the top right corner of the screen: In “Aircraft Settings”, scroll to the bottom of the options and tap “Advanced Settings”: Tap “Sensors”: Tap “Calibrate Compass”: Follow calibration instructions.

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Metashape: No Photos Selected when Filtering Photos by Marker

You have imported your control points into Metashape, but when you filter by marker, no photos are selected by the filter and are not visible in the photos pane. You have not run the alignment step. Run the alignment step first, then filter photos by marker. The vertical datum of your images and control points…

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Metashape: Changing Interface Theme

When you download Metashape, you may notice the interface theme is grey and contains no color. Use the following steps to change the theme to color display. Open Metashape. Click tools> Preferences. On the General tab, change the theme from “Light” to “Classic”. Click Apply. You should receive a prompt that the theme will be…

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DIM Point Cloud won’t Classify Ground

Attempting to run the adaptive TIN ground filter on a Dense Image Matching (DIM) point cloud does not classify any points. When a point cloud is created from a Dense Image Matching process, the resulting LAS produced by some software is not classified (0) and has 0 of 0 returns. Identifying points in LP360 will…

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Downloading Data for Phantom 4 RTK – PPK Processing in ASP Suite

Downloading Flight Data The following steps provide instructions for downloading your flight data for Phantom 4 RTK processing. 1. Remove the SD card from the aircraft and insert into your laptop. 2. The SD card will contain two folders: DCIM Survey 3. The Survey folder will contain the data recorded during the planned mission. The…

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ASPSuite Error: Loki Rover Observation and Navigation Files do not exist

To use the SBF file (Loki file), ASPSuite will convert it into Rinex observation and navigation files during the file conversion step (Step 2).  If the SBF file has not been converted, and the observation and navigation files are not in the project folder, the error, “Loki Rover Observation and Navigation Files do not exist:”,…

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Assign SRS to LAS files

To assign or modify the Spatial Reference System (SRS) in a LAS file, use the LP360 LAS File Analyst tool: Add the LAS files into LP360 as open for Read/Write. Select “LAS File Analyst” by right-clicking the LAS layer, or clicking the wrench and hammer icon associated with the main LP360 toolbar. A dialogue box…

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