Lines, Circles, Polylines, Splines

The following straight and curved line elements can be created in Archicad using the different Line tools and geometry methods.

Single straight line segments, series of Chained straight and Curved line segments, Rectangles and Rotated Rectangles.

Circular Arcs and full Circles

Elliptical Arcs and full Ellipses

Straight or Curved Polylines

Natural Splines, Bézier curves and Freehand curves

Double-clicking any of the Line type tools will open a dialog box in which you can adjust the settings of the given tool.

Available Lines are an attribute, defined for the project globally.

See Lines.

In each of these dialog boxes, the Uniform Settings for Line Tools checkbox allows you to apply the settings made in this dialog box to all line-type tools: Line, Arc/Circle, Spline, Polyline.

Favorites of any of the four Line-type tools (Line, Arc, Polyline, Spline) can be applied to any of the other Line-type elements.

See Line-type Tool Settings.

Topics in this section:

Line Categories

Drawing a Single Straight Line Segment

Stretching or Shrinking Lines

Drawing Arcs and Full Circles

Stretching Curved Elements

Editing an Arc Using its Tangent

Drawing Elliptical Arcs and Full Ellipses

Convert Ellipse to Circle

Drawing Splines

Editing Splines

Drawing Freehand Curves

Drawing Polylines and Chained Lines

Editing Polylines