Arcs

autocad_entity: autocad_arc

This geometry type is stored in an AutoCAD arc entity. Arc features are like ellipse features, except two additional angles control the portion of the ellipse boundary which is drawn. There are several properties of an FME arc geometry that may result in it being written as an AutoCAD entity other than an arc.

If this arc geometry is circular and has a sweep angle of 360 degrees, it will be stored in an AutoCAD circle entity instead of an arc entity. If this arc geometry is not circular, it will be stored in an AutoCAD ellipse entity.

Tip  The ArcStroker transformer can be used to convert an arc to a line. This is useful for representing arcs in systems that do not support them directly.

Attribute Name

Contents

autocad_primary_axis

The length of the semi-major axis in ground units. Currently the value of the primary axis is always equal to the value of the secondary axis as AutoCAD arcs must be circular. When writing to an AutoCAD file, only the primary axis value is used.

Range: 64-bit floating point number > 0

Default: No default

autocad_secondary_axis

The length of the semi-minor axis in ground units. Currently the value of the primary axis is always equal to the value of the secondary axis as AutoCAD arcs must be circular. When writing to an AutoCAD file, only the primary axis value is used.

Range: 64-bit floating point number > 0

Default: No default

autocad_start_angle

How FME calculates start_angle and sweep_angle

Range: 0.0..360.0

Default: 0

autocad_sweep_angle

How FME calculates start_angle and sweep_angle

Range: 0.0..360.0

Default: No default

autocad_rotation

The rotation of the arc. The rotation angle specifies the angle in degrees from the horizontal axis to the primary axis in a counterclockwise direction. However, this value is fixed at 0 as AutoCAD does not support rotation of circular arcs.

Range: 0

Default: 0