Page 305 - Chief Architect Reference Manual

Drawing Arcs - Arc Creation Modes

Drawing Arcs - Arc Creation Modes

There are five Arc Creation Modes Free Form Arc
that control how arcs and arc-based
objects are drawn. Each mode allows you to Free Form Arc mode allows you to
specify a different aspect of the arc, such as define an arc by clicking and dragging
its radius or tangent. Select Edit> Arc along the desired path. There are two
Creation Modes to select a mode. methods for using this mode.

The program remembers the last creation To draw a Free Form arc
mode used between sessions. Once drawn,
all arcs are edited similarly. See “Editing Arc 1. Select CAD> Arcs> Draw Arc ,
Based Objects” on page 221. then click at the arc’s start point.
Before deciding which Arc Tool or Arc 2. Move the pointer along the desired
Creation Mode is best for the project at hand, curve while dragging to curve the arc.
it is helpful to be familiar with the different 3. Release the mouse button at the end
components that make up an arc. point to complete the arc.

End
Tangent To draw continuous Free Form arcs
This mode is useful for making custom
revision clouds.

Start Chord 1. Select CAD> Arcs> Draw Arc .
2. Press the Alt key on your keyboard and
Radius Center click and drag to draw an arc.
• The center of an arc is the point the arc is 3. Move your cursor to a new location and
drawn about. click. A new arc is drawn that is con-
nected to the end point of the previous
• The radius is the distance from the center arc.
to the arc.
By default, this continuous drawing behavior
• The start is where the arc begins.
will turn off when a closed shape is created.
• The end is where the arc stops. You can specify that this behavior remain on
• The chord is the straight line between the in the Preferences dialog. See “Behaviors
start and end point. Panel” on page 125.
• A straight line that intersects an arc and is
perpendicular to the radius of the arc at
that point is tangent to the arc.

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