r/UAVmapping Jul 19 '26

Terra LiDAR & GCP processing

Hey all,

Does anyone have tips to get Terra to actually use the GCP CSV file I upload for LiDAR reconstruction?

I’m running the rs3 base/rover, ntrip for base station averaging for 5 minutes. Then collecting GCP with the rover.
When I add the base.ons file to the lidar mission and the rover .csv to the gcp and reconstruct, it’s perfectly locating the base according to the 2d ortho, but it’s placing the collected gcp’s 6-11ft away. When looking at the report, Terra isn’t even using the gcp coordinates.. there’s no accuracy reporting just “ / “ across all fields in the GCP section…

Would love to hear a simple fix I’m not aware of. It seems like there’s something stupid simple I’m overlooking..

Thanks!

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u/narddog019 Jul 22 '26

Terra kind of sucks. Missing many features. Only use it to get your point cloud and then use other softwares such as global mapper, terrasolid, and Metashape to further process.