Note

This manual is for LibreCAD’s stable release version 2.2.0.

Snapping

Snaps provide the ability to pick precise locations when using a mouse. Various snap tools are available to allow the user to select different locations on entities or elsewhere in the drawing space when using the grid.

Menu Item

Icon

Command

Description

Exclusive Snap Mode

icon01

On: only one snap mode is allowed. Off: multiple snap modes are allowed The snap modes are remembered in each state.

Free Snap

icon02

os, sf

Allows for the crosshair to move freely while other snap modes are enabled.

Snap on Grid

icon03

sg

Snap to a grid intersection.

Snap on Endpoints

icon04

se

Snap to the endpoints of a line segment, the quadrants of a circle, a point, or the alignment point of a text or mtext object.

Snap on Entity

icon05

np, sn

Snap to the path of an entity.

Snap Center

icon06

sc

Snap to the center of a circle or ellipse. It will also snap to the foci of an ellipse.

Snap Middle

icon07

sm

Snap to the middle of a path. Enabling this mode displays a ‘’Middle points’’ input. If you change the value to 2 then you can snap to the trisection points of a line segment.

Snap Distance

icon08

sd

If you snap to the endpoint of a line segment then activate ‘’snap distance’’ and input 50, then it will snap to a point 50 units from the endpoint on the line segment. However, it will also snap to a point that is 50 units from the other endpoint.

Snap Intersection

icon09

si

Snap to the intersection of two entities. Note this does not currently work for polylines.

Restrict Horizontal

icon10

rh

Restricts the crosshairs to the x-axis (horizontal movement).

Restrict Vertical

icon11

rv

Restricts the crosshairs to the y-axis (vertical movement).

Restrict Orthogonal

icon12

rr

Restricts the crosshairs to the x or y-axis. (either horizontal or vertical movement).

Restrict Nothing

rn

Turns off restricted cursor movements.

Set relative zero position

icon13

Manually sets the Relative Zero Point at the selected coordinate.

Lock relative zero position

icon14

Locks the Relative Zero Point to the current coordinate.