File > Open Point Cloud(s)
When opening point clouds for the first time, NUBIGON generates a highly efficient data structure (octree) and completes a series of processing tasks for better visual quality and performance. This only needs to be done once. In subsequent instances, you’ll be able to open the octree instantaneously regardless of data volume.
NUBIGON currently supports LAS, XYZ, TXT, PTS, and E57 files. To open point clouds, select File > Open Point Cloud(s) and choose point cloud files.
TIP: You can open multiple files in a single operation.
Next, you will be prompted with the following Octree Options window:
(optional) You can change the name of the octree file.
NUBIGON utilizes a local coordinate system for efficient GPU use but always preserves the original coordinates of your data. The dropdown menu Offset Type provides four options: Origin, User, Reference and None.
- If your data has large coordinates, offset to the Origin to avoid display artifacts.
- Choose User to enter an offset vector manually.
- To apply the offset vector of another point cloud, choose Reference and select the relevant point cloud.
- Select None to open with the original coordinates.
TIP: The Reference option is relevant when generating multiple octrees belonging to the same project. Example workflow: (1) choose Origin for the first octree. (2) For subsequent octrees, choose Reference as the Offset type and select the first octree from the drop-down menu.
TIP: NUBIGON always preserves original coordinates for export.
Read intensity: If selected, the intensity values of the point cloud will be preserved.
Compute normals: Select this option for enhanced visual quality and precision.
Smoothness: This parameter controls the roughness of the generated model. Higher values produce more smooth models.
Remove duplicates: If selected, duplicate points are automatically removed.
Force 8-bit colors: In certain cases, 3rd party software packages will export LAS files with 8-bit colors instead of 16-bit (as outlined in the LAS specs), resulting in colorless octrees. In these cases, re-generate the octree by enabling this option.