Data Editing¶

You can edit the imported data in the EXScan Libre. The editing toolbar is in the right side of the interface.

Icon	Function	Description
	Multi View	There are six different view angles for you to check data.
/ / /	Point Cloud Data / Wireframe / Triangles / Triangles and Wireframe	There are four different styles of data for you to check mesh data.
	Perspective	The object appears larger when closer, and smaller when farther away, which is consistent with the rule of normal human eyes to observe the 3D world.
	Orthogonal	The object does not appear larger when closer, and smaller when farther away; Also known as "isometric view", the size of the object displayed in the view is independent of the current viewpoint distance.
	Show / Hide texture	Only projects with textures allow you to enable the display of textures.

After clicking or pressing F12, the model will be displayed in rotation. Press F12 again or Esc to exit the model display interface.

You can adjust the rotation speed by clicking > Fast / Med / Slow.
The model is only displayed in the clockwise rotation at the current viewing angle. If you need to display other angles, please exit and adjust the display angle.

Icon	Function	Description
	Edit Point Cloud	Edit the selected data. Click again will toggle the editing markers mode. Note In editing point cloud mode, if you delete the selected data, only the point cloud data will be deleted, not the markers.
	Edit Markers	Select the data area and the markers in this area will be shown in red. The red markers can be edited at this time. Note This feature is only supported by markers, global markers and hybrid alignment with markers. In editing marker mode, if you delete the selected data, only the markers will be deleted, not the point cloud data. At least three marker points must be retained.
	Edit All Date	Edit the selected markers and point cloud data.
	Select Through / Select Visible	Select Through causes the current selection tool to affect all areas within the selection boundary, not just those visible on screen, allowing you to select the surface data and the interior data simultaneously; Select Visible causes the selection tools to operate only on visible data in the current view, obscured data will not be selected.

Icon	Function	Description
	Lasso	Hold down `Shift` and move the cursor select the area by using the lasso tool. The selected area is displayed in red.
	Rectangular	Hold down `Shift` and move the cursor select a rectangular area. The selected area is displayed in red.
	Polygon	Hold down `Shift` and move the cursor select a polygon area. The selected area is displayed in red.
	Line	Hold down `Shift` and move the cursor to draw a straight line to select the area. The selected area is displayed in red.
	Paint Brush	Hold down `Shift` and a red circle will appear. At this time, rotate wheel will zoom in and out of the circle. Move the red circle to select/deselect the area to be edited. The selected area is displayed in red.
	Select Plane	You can quickly select all data on the same plane (including data in unconnected areas) with one click. After clicking , use the selection tools (Lasso, Rectangle, Polygon, Line and Paint Brush) to select data, and all data on the same plane will be selected automatically. If there is already selected data, click to quickly select all data on the same plane. Note If you only select markers, this function is unavailable. If you click without performing any other operation, you can click again to exit the function.
	Select All	Select all the data.
	Unselect	Cancel all selected areas.

Icon	Function	Description
	Expand	Click the button after selecting a patch of data and all connected region to the selected data will be picked.
	Invert	Revert the selection.

Icon	Function	Description
	Delete Selected Data	Delete selected data.
	Undo	The last deletion will be undone. You can click multiple times to undo multiple deleted data.
	Redo	Redo the previous action. You can click multiple times to redo multiple actions.
	Cancel Edit	Undo all edits, and exit the edit mode.
	Apply Edit	Click the button or press the space bar to apply the edit, and exit the edit mode.

Function	Description
Rename	Supports renaming projects and meshes.
Save	After saving, a dialog box for renaming will appear.
Delete	Supports deleting one or multiple files from the project list panel. If you check Delete Original Files, the file is deleted and cannot be restored.
Group Selected Projects	It can group multiple files into one group or split files within a group into separate entities.
Select all / Unselect all / Reverse selection	Select all, deselect all, or revers the selected projects data.
Show all / Hide all	You can hide or show the currently opened projects/mesh data.

Function	Description
Select All / Invert / Unselect / Delete Selected Data	The function is the same as the function on editing bar, and can be operated by shortcut keys.
Connect Domain	Click the button after selecting a patch of data and all connected region to the selected data will be picked.
Zoom to Fit	The data on the interface is displayed in the center according to the appropriate size.
Set Rotate Center	Click the desired position to set it as the rotation center.
Reset Rotate Center	After reset, the center of rotation is at the data center.
Select Through	Clicking the select through icon causes the current selection tool to affect all areas within the selection boundary, not just those visible on the screen. The surface data and the interior data can be selected at the same time.
Select Visible	Select Visible causes the selection tools to operate only on visible data in the current view, obscured data will not be selected.

Shortcut¶

Shortcut	Function
`Ctrl`+`D`	Zoom to fit
Rotate Wheel	Zoom in / Zoom out the data
Hold the wheel button and move the cursor	Pan the model
`Ctrl`+`F`	Set the rotating center
Move and drag cursor	Rotate the data
`Shift` + primary	Select the area of data
`Ctrl` + primary	Deselect the area of data
`Ctrl`+`A`	Select all data
`Ctrl`+`C`	Deselect all selected data
`Ctrl`+`I`	Reverse selected / unselected data
`Del`	Delete the selected data