| Description |
Automatically classify point cloud points as ground.
|
| Access |
Home / Tools / Modify / Ground Classification
|
| Requirements |
- Point Cloud module
- One or more point clouds
|
| Controls |
The following controls are available:
| Control |
Description |
| Cell Size |
The size of the cells used in the classification. This is the spatial resolution. |
| Maximum Object Length |
The horizontal size of the largest object (e.g. building) in the point clouds. |
| Maximum Terrain Slope |
The maximum grade ratio of the terrain in the point clouds. |
| Initial Height Threshold |
The minimum height of objects that should not be classified as ground. |
| Maximum Object Height |
The maximum height of objects that should not be classified as ground. |
| Point Clouds |
Select the point clouds that are to be classified. |
|
| Notes |
- All points in the point clouds are classified as either Ground or Unclassified.
- The classification of specified points can be modified manually.
- The input options may need to be tweaked and the classification run again to get the best results.
- The time taken to classify is related primarily to the cell size.
- The view settings can be set to colour point clouds according to the classification of the points.
|
| Related topics |
|
TOP OF PAGE