Thinning¶
- Purpose:
Reduce collection density
PDAL Thinning Techniques¶
Dart sample¶
Poisson [Cook1986] and [Dippe1985].
Non-destructive
Settable threshold
Voxel grid¶
Little boxes
Uniform
Approximated by centroid
Destructive
Random + Decimate¶
Decimation filter just keeps every X point
Insensitive to density
Thinning (overview)¶

Thinning (dart command)¶

Thinning (before)¶

Thinning (after)¶

Next¶
On to Identifying ground