The Ground filter passes data through the Point Cloud Library (PCL) ProgressiveMorphologicalFilter algorithm.
ProgressiveMorphologicalFilter is an implementation of the method described in [Zhang2003].
| [Zhang2003] | Zhang, Keqi, et al. "A progressive morphological filter for removing nonground measurements from airborne LIDAR data." Geoscience and Remote Sensing, IEEE Transactions on 41.4 (2003): 872-882. |
- maxWindowSize
- Maximum window size. [Default: 33]
- slope
- Slope. [Default: 1.0]
- maxDistance
- Maximum distance. [Default: 2.5]
- initialDistance
- Initial distance. [Default: 0.15]
- cellSize
- Cell Size. [Default: 1]
- classify
- Apply classification labels? [Default: true]
- extract
- Extract ground returns? [Default: false]
- approximate
- Use approximate algorithm? [Default:: false]