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Loki: Troubleshooting GNSS LED not turning green

Problem: Loki’s GNSS LED isn’t turning green. (The GNSS LED is the one on left above the USB C port) Probable Solution: A green GNSS LED on Loki indicates that it has good reception.  A red GNSS LED can be caused by a number of things.  The following are suggestions if you are having trouble…

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PhotoScan – NAD83(2011)

Problem: User wishes to convert ASPSuite processed images to a NAD83(2011) projected coordinate systems in PhotoScan, but the desired NAD83(2011) based projected coordinate system does not appear in the list of available coordinate systems. Probable Solution: To convert ASP processed images to NAD83(2011) projected coordinate systems in Photoscan, you must change to the NAD83(2011) geographic coordinate…

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LP360 Error: Getting x coordinate failed (16881)

Problem: Getting the error, “Getting x coordinate failed. (16881)“, when attempting to open the control point table from the LP360 Control Points toolbar. [Window Title] LP360 Error [Main Instruction] Getting x coordinate failed. (16881) [Expanded Information] Exception Information: HRESULT: 0x80040202 Source: “esri.Point” Description: The operation was attempted on an empty geometry. [V] Expand this […

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

Problem: 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…

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Executables Used by ASPSuite

If your organization has strict security settings, some of the executables installed and used by ASPSuite could get blocked and prevent ASPSuite from operating correctly.  It may be necessary to get your IT department to add these executables to an approved list.  The following instructions will show you how to find the executables being used…

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How to Format the SD Card on DJI Aircraft, Through DJI Go 4

Formatting the SD card through DJI Go 4 is useful when SD card space is needed and you do not want to remove the SD card from the aircraft (or personality cable). Be sure all important information has been downloaded before formatting the card because this process will erase everything. Here are the steps to…

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Recommended Number of Flight Lines for a Mapping Mission

Structure from Motion (SfM) algorithms used by image -to-point cloud applications require strong overlap to create an accurate 3D model.  Missions should be planned to include both forward overlap, and side overlap.  To achieve this, the mission must have at least two flights lines, but more is better.

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Using a Non-Corrected Base Position in ASPSuite

It is always best practice to submit your static base observation data to an online post-processing service to obtain the position of your base station.  However, it is possible to process your Loki data with a base coordinate that has not been processed.  If a base position is needed to check for a fixed solution…

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Is Loki compatible with other Structure from Motion software aside from PhotoScan and Pix4D?

The answer to this question will depend on the Structure from Motion software being used.  The two primary components are:   The ability to use high-accuracy geotags.  Loki provides highly accurate geotagged images with accuracy values written to the XMP metadata.  We also produce a simple .csv text file for applications unable to read that…

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