Multi-point selection
Steps
1.Click on the Multi-point selection
button under the Measurement toolset and use the left mouse button to click on the intended group of target points. The selected points will be marked in the form of dot labels in the scene, and the interface list will pop up to display the attribute information of the point set (as shown in the figure).
The point cloud attributes displayed in the list include the serial number, location, category, echo frequency, GPS time, intensity, etc. of the points. The edit box at the top right of the list displays the total number of selected points in real time.
2.The "Marker size" check box is used to set the dot size of the marker point in the scene, and the "Start Index" check box is used to set the starting index number of the marker point.
3.Click any row in the selection list and click 
the button deletes the point.
4.After pressing Start editing button 
, double-click the cell to modify the added field value.
5.After clicking the Add field button 
, the Add field dialog box pops up. The following types of custom fields are currently supported: integer, floating-point, text, date, and enumeration; after clicking the "OK" button, the new fields will be displayed in the list window.
6.Remove field button 
is only available after the custom field is added. After the field is added, click this button and the Remove field dialog box will pop up. Users can only choose to remove the fields they added.
7.he selected point set is exported in .txt format. Click 
button to drop-down menu, and the "Select method" dialog box will pop up (as shown in the figure). The user can click Save 3D point to save the coordinates and other attribute information as a .txt file.
Parameter setting
- X: The X coordinate value of the point cloud data.
- Y: The Y coordinate value of the point cloud data.
- Z: The Z coordinate value of the point cloud data.
- Category (Classification): The category attributes of point cloud data.
- Echo (Return): The echo attribute of the point cloud data.
- GPS Time (Time): The GPS time attribute of point cloud data.
- Intensity: The intensity attribute of point cloud data.
- Index: The index value of the selected point.
- Output Path: The output path of the exported file.
8.Click 
to select the output path, check the attribute values you want to export, and click the "OK" button.
9.If the user does not save the selected point, when exiting the function, the software will pop up the following interface, click the Save button to save the point, and click No to exit the function.
Note: This function can only be used in the 3D view window.