GoPro -> 3D GCP -> Jagged Triangle Mesh

Hi folks,

I’m working on creating an ortho/contour output from imagery I took walking with a GoPro MAX 3.0 camera. When I went through the three processing steps without applying 3D GCPs, the surface came out smooth. When I applied three 3D GCPs after the initial processing, however, it resulted in a jagged surface (see below). Is there a step I’m missing in the processing? Any thoughts would be appreciated.


Hi Jackson,

Welcome to the community! Happ to see you here. :slight_smile:

Would you mind sharing the quality report with us? Menu Process > Generate Quality Report

▸ The project log file (text file): …\project_name\project_name.log

Meanwhile, I am sharing these articles on Processing images from GoPro cameras and How to calibrate a Fisheye Lens Camera. If you have already read through them, please don’t mind me.

Looking forward to the quality report.


Thanks Rosana!

Here is the quality report for a project where I used my phone (pix4Dcatch) to capture images, and then used GCPs collected by survey to calibrate. I ran into the same issue on this model as the one in the orginal post. Before applying the GCPs, the tie points were showing up normally but after applying the GCPs the tie points snapped to some sort of grid that happens before the mesh in the orginal post is created.

2528804_MMP_SW_v2_report.pdf (1.5 MB)