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Geometry Constraint

Geometry constraint can keep the certain relationship between the objects.

Geometry constraint includes parallel, perpendicular, horizontal, vertical, tangent, concentric, coincident, equal, collinear, symmetrical, fixed constraints and same size. The valid entities for geometry constraint includes line, circle (arc), point, the main node of Bezier.


       Command:

MenuParametric > Geometry Constraint


           


       1、Horizontal

      Horizontal: Make the line keep parallel with X axis

Valid Objects: Line, polyline subobjects and two valid constraint points.


Steps:

1.Select.

2.Select the line or 2 points.


       2、 Vertical

       Vertical: Make the line keep parallel with Y axis.

Valid Objects: Line,polyline subobjects and two valid constraint points.



Steps:

1.Select.

2.Select the line or 2 points


       3、Parallel

       Parallel:Make two lines keep parallel with each other.

Valid Objects: Line and polyline subobjects.


Steps:

1.Select in Design Central

2.Select the first line.

3.Select the second line.


       4、Perpendicular    

       Perpendicular: Make two lines keep Perpendicular with each other.

Valid Objects: Line and polyline subobjects.



Steps:

1.Select.

2.Select the first line.

3.Select the second line.


       5、Tangent

     Tangent: make two curves keep tangent with each other.

Valid Objects :Line, polyline subobjects, circle (arc) .


Steps:

1.Select.

2.Select the first curve.

3.Select the second curve.


       6、Concentric

       Concentric: Make two circles(arc) keep the same center point.

Valid Objects: Circle (arc), ellipse.


Steps:

1.Select.

2.Select the first object.

3.Select the second object.


       7、Coincident

        Coincident: Make the two points keep coincide with each other.

Valid Objects: Line, polyline subobject, circle (arc), point.


Steps:

1.Select .

2.Select the first point.

3.Select the second point.


       8、Equal

      Equal: Make two circles or arcs keep equal in radius; or Make two lines keep equal in length.

Valid Objects: Line, polyline subobject, circle (arc), point.



Steps:

1.Select .

2.Select the first curve.

3.Select the second curve.


       9、Collinear

      Collinear: Make the point always online (or on the extension cord).

Valid Objects: Line, polyline subobject, circle (arc), point.


Steps:

1.Select .

2.Select the point.

3.Select the curve.


       10、Collinear

       Collinear: Make two lines along the same line.

Valid Objects: Line, polyline subobject



Steps:

1.Select .

2.Select the first line.

3.Select the second line.


       11、symmetrical

        symmetrical: Make two objects keep symmetric.

Valid Objects: Line, polyline subobject, circle (arc).



Steps:

1.Select .

2.Select the first point.

3.Select the second point.

4.Select the symmetric axis line.


       12、Fix

       Fix: Lock a point of object.

Valid Objects: Line, polyline subobject, circle (arc).



Steps:

1.Select .

2.Select the point


       13、Same size

        Same size: Select two objects and make them to keep same size.

Valid Objects: all objects



Steps:

1.Select

2.Select the object of the transform.

3.Select the reference object.