Spurious holes in mesh

[leszekp]

I've generated a dense cloud that appears to be reasonably uniform (about 24 million vertices). But when I create a mesh from it, several holes appear in one section that looks fully filled in in the dense cloud; everywhere else, the mesh is fine. I've attached screen caps of the dense cloud view and mesh view. I've tried every possible mesh option, but none of them seem to fix this problem. Any suggestions?

[jwoods]

I've had this issue occasionally when the point density in the area is a good as anywhere else but I still get holes.  I got around my issue by reprocessing the dense cloud to a lower density and creating a new mesh with fewer faces.  You might be able to simply process a new mesh with that same point cloud and set the target faces to a lower number as well. 

[Arie]

You could also give cloudcompare a try. Its Poisson reconstruction plugin (http://www.cloudcompare.org/doc/wiki/index.php?title=Poisson_Surface_Reconstruction_%28plugin%29) is quite powerful, but finding the right parameters is important. Export the pointcloud as ply with normals, import to cloudcompare, mesh it and reimport to Agisoft for texturing.

Regarding the paremeters for the poisson reconstruction, setting the octree depth to 13 or 14 yields fairly high resoltuions meshes. The samples per node should be set higher than the default value for noisy pointclouds.

good luck.