Hi There…could anyone tell me why the very strange artefact shown in the two attached images would appear in my processed results. It is a massive ‘rift’ where the ground surface should be similar to the rest of the orthomosaic ground surface.
Hi,
Indeed, we have to find a way to improve your results!
Could you share here with us the Quality Report of that project?
Best!
Hi there…here is a link (I think) to the report.
Hopefully the link works!! Please let me know if it doesn’t.
Cheers
Blue Wolf
@Roger_Mehr1 thank you for the Quality Report!
I review it, and I would have some suggestions. However, since I am not sure which one would apply better, would you agree to upload your project to our OneDrive so I can process it and give you final recommendations? Please check your email. I shared with you the link to the OneDrive. 
Best!
Hi, I am new here. Have been using Pix4d for the past 4 years. I recently started using a PPK GPS system and more often than not I am getting results similar to the distortion you experienced. Pix4D is limited in coordinate and geoid choices and I think that maybe causing the issue.
I await the outcome from your interaction with interest.
Welcome in our Community @bill 
The area @Roger_Mehr1is trying to reconstruct is very uniform. It’s basically sand, and the software has a problem matching keypoints. I believe we can obtain better results using different processing options. That’s why I want to give it a try
Best!
So do you need my processed data or just the photo’s I was using?
Cheers
Just the photos and your .p4d file
Let me know once you finish uploading them.
Thanks!
Hi Beata
I have uploaded the P4D file and all (278) of the photo’s. I am eager to see what you can do with them!
Hi @Roger_Mehr1
I processed your dataset.
This is what I got.
However, to be honest, I’m still disappointed that I didn’t manage to model trees. It would be helpful to have some oblique images to do so. UrallaGrindingGrooves_report.pdf (1.7 MB)
Let me know what you think.
Btw, very very nice car!
Wow thanks for that…a lot better and definitely got rid of that ground surface issue. I was going to ask about the trees as well…but it seems you already saw that issue. How can I access the project data you’ve generated?
BTW…it is a great car…I love it!
Thanks again
Roger
Hi @Roger_Mehr1
I’m thrilled that you like my results! I shared them with you. Please check your email.
Speaking about trees what could also help is the higher altitude during the flight.
All the best to you. Drive safe