I have photos with overlap, but very few Tie Points are linking some photos:
Computing the Tie points with the parameters 40000/4000 gives veru few points, 150000/150000 gives a little more, and 0/0 gives no more than 150000/150000.
The photos are very old photos (film camera) with a lot of overlap but maybe too much angle.
Te resulting matches between two photos of the project with lot of overlap gives sometimes 200-400 points, and sometimes 40.
The dense pointcloud is not generated for the photos with less than 100 points. This gives a big hole in my 3D model.
A partial solution is resizing the bounding box in the area whith no dense cloud, and it works sometimes... it gives a nice point cloud, but it is not the best to do (long work, merging, filtering, and sometimes gives "no resolution" error) and complicated to use with the meshing method based on depth maps.
Is it a tweak option to allow Metashape to compute the depth maps and so, the dense cloud, for the overlapping photos with less than 100 points ? Can we reduce this parameter to 20 or 30 points?