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Constrains one line or polyline segment to be collinear with another one, which means they lay in the same line. (This command is equivalent to using the Collinear option of the GeomConstraint command.)
Note: The second entity you select is straightened out to be collinear to the first.
Accessing the Command
command bar: gccollinear
menu bar: Assembly | 2D Constraints | Collinear
ribbon: Parametric | 2D Constraints | Collinear
toolbar: 2D Constraints | 
: GcCollinear
Prompts you in the command bar:
Select first entity or [Multiple]: (Select a line or polyline segment, or press M)
Select second entity: (Select another line or polyline segment)
Command Options
|
Option |
Description |
|
Select first entity |
Select a line or polyline segment. |
|
Select entity to make collinear to first |
Select multiple lines or polyline segments; segments of the same polyline are accepted, which is straightens out the polyline. |
|
Multiple |
Makes more than two entities collinear; you can pick only one entity at a time. Prompts you:
|
After you place the constraint, icons appear near the entities indicating the type of constraint. If you do not see them, then use the ConstraintBar command to display them. To remove a constraint, click the tiny x on the constraint bar.
Related Commands
GeomConstraint - applies geometric relationships between entities and/or points on entities.
Dimconstraint - applies a dimensional constraint to an entity or between constraint points on entities; converts associative dimensions to dynamic dimensions.
GcCoincident - applies a coincident geometrical constraint to two points or constrains a point to an entity.
GcConcentric - constrains the center points of circles, arcs, ellipses or elliptical arcs to coincide.
GcEqual - constrains arcs and circles to the same radius, or lines to the same length.
GcFix - constrains points and entities at a fixed position.
GcHorizontal - constrains lines or pairs of points to lie parallel to the X-axis of the current coordinate system.
GcParallel - forces two lines to be parallel to each other.
GcPerpendicular - constrains two lines to lie perpendicularly to each other.
GcSmooth - forces a spline to maintain fluid geometric continuity with another spline, line, arc or polyline.
GcSymmetric - constrains two entities or points to lie symmetrically with respect to a selected line.
GcTangent - constrains two entities to maintain a point of tangency to each other or their extensions.
GcVertical - constrains lines or pairs of points to lie parallel to the Y-axis of the current coordinate system.
ConstraintBar - controls the display of the constraint bar of entities.
Delconstraint - removes all dimensional and geometrical constraints from an entity.
