Pix4D capture mode for large ship at sea

 Hello -

I’m quite new at this…Just ordered a Mavic Pro and can’t wait to start doing some 2D and 3D modeling.  Can anyone recommend the best capture mode for a large ship at sea?  Grid, Double Grid or Circular?

There’s no cell service, but the ship does have wifi.




Hi Terry,

For more information about the type of mission to choose: https://support.pix4d.com/hc/en-us/articles/209960726

Note that it is not needed to have internet connection (mobile data or Wi-Fi) to perform missions. Only the geolocation signal of the mobile device is used to geolocalized the mission and the home point with respect to the drone’s GPS. However, we recommend to plan the mission in advance so that the base map can be loaded and saved (Android) or cached (iOS) on the device before going to the field.

For more information: https://support.pix4d.com/hc/en-us/articles/206617636

Please carefully read our getting started procedure before starting to use the app:


I have the same question… 

Is it possible to model a ship at sea, while it is in motion. Even when not under power, a ship will be tossed around a bit by the action of the ocean and drift in the currents. A photo’s GPS geo-location is not going to assist much in creating this type of model, it might even mess it up. 

But could you designate a number of GCPs on prominent parts of the ship’s structure to create the model? 


We would expect this to be a bit tricky since the background is water that cannot be reconstructed. To minimize this you will have to be careful with the image acquisition plan and not capture water. It is also recommended to have a high overlap 85%-90% since the image geolocation will be discarded.

As per the GCP’s this would not be recommended since the object is moving then the GCP’s location will move as well. We would suggest MTP’s instead to help the reconstruction; see more information here.

This case is very interesting, let us know about the results :slight_smile: