339 articles TrueView Tools, Tips and Workflows Page 25 / 34
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.
Loki™ – Frequently Asked Questions
General: What is Loki? Loki is a Global Navigation Satellite System (GNSS) Post-Process Kinematic (PPK) direct geopositioning hardware & software solution for low cost DJI drones as well as custom drones using digital single lens reflex (DSLR) cameras such as Nikon, Canon, Sony, etc. It is aimed at the high accuracy drone mapping community. …
ASPSuite: Error: No external camera events found!
Problem: During step 4 of the workflow there is an ASPSuite notification stating, “Error: No external camera events found!”. Probable Resolution #1: Verify that you’ve used the correct Loki MEP workflow. https://support.geocue.com/forums/topic/which-loki-mep-interface-workflow-should-i-use/ Probable Resolution #2: When using the DJI USB Cable workflow it is important to remember that you need to download the applicable DAT…
Base Antenna Calibration
In ASPSuite, the Enable Base Antenna Calibration option uses an *.atx file to set custom offsets for the brand and model of the base station used. At https://www.ngs.noaa.gov/ANTCAL/, a user may navigate to “Browse Antenna Information by Manufacturer and Model” and select the brand from the dropdown menu. Next, find the correct model and right-click…
Loki Battery Life Information
Determine Shutter Interval
Airgon generally recommends using a shutter interval (amount of time the shutter is open) of 1/800th second for typical drone mapping flight plans. However, as flight speed increases and/or GSD decreases, a faster shutter speed (shorter shutter interval) may be required to prevent motion blur. The proper shutter interval for a situation can…
AirGon Quick Tip
If you are not accustomed to survey techniques, this is a quick tip for speeding up visits to repetitive sites. The AirGon Loki Direct Geopositioning system is a huge time saver when it comes to drone survey work. Loki reduces or eliminates the need for ground control points (but please, always have a reliable way…
Loki – Power on Manually
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…
Deciphering the Compatibility Group
In the LP360 Add Files dialog there is a Compatibility Group column in the Advanced Columns that can be used to help understand why the LAS data file will be placed on the specified target Map Layer. The letter assigned in this column to each file contain some insight into which LAS files can go on…