File Operations

This chapter covers importing and exporting data, and opening, saving, and deleting projects.

Import Data

Import data from a file into the current window. Supported formats:

• Point clouds: .las (1.1–1.4), .laz, .ply, .e57
• Control points / trajectory: .csv, .txt
• Mesh models: .ply, .obj, .osgb
• Other: .lcc, .dxf (CAD)

Import LAS Data

After selecting a .las file, you can set a render offset. This offset is used only to optimize point cloud rendering in the viewport and resolve render jitter under large coordinates — it does not modify the original coordinate data in the point cloud file.

Imported point cloud data in the display window

Note: If the imported point cloud renders with a striped pattern, it is usually caused by an unsuitable offset value. Delete the *_potree folder with the same name as the point cloud in the same directory, then re-import.

Import Control Points and Trajectory TXT/CSV Data

1. After selecting a .txt or .csv file, choose the delimiter and whether to skip header rows in the dialog.
2. Click Confirm to import.

Import parameter settings

If the imported control points include label information, they are displayed with a special marker.

Control point display

Standard trajectory data is rendered in a point cloud–like style.

Trajectory data display

Import Mesh Model

Select a .ply, .obj, or .osgb file.

Open Project

Same functionality as in the home page. See Software Interface for details.

Export Data

Export the selected point cloud data. Supported formats: las, laz, ply, and unstructured e57.

1. Select the point cloud data to export.
2. Choose the export directory and filename.
3. Select the export format.
4. Click Export.

Save Project

Click Save to save the files within the project.

Delete Data

1. Select one or more data files in the data list.
2. Click Delete, or right-click and select Delete.
3. Confirm the deletion.

Note: This action deletes data files within the project. Confirm before proceeding.