Page 307 - Chief Architect Reference Manual

Arc Tools

Creation Mode is currently active. Once New CAD Arc Dialog
drawn, an arc can be edited. See “Editing Arc
Based Objects” on page 221.

Input Arc
An arc can be drawn to exact
specifications using the New CAD Arc
dialog.

To use the Input Arc tool

1. Select CAD> Points> Place Point ,
then click the screen to place a CAD
point. This is the Current Point, and will
be the start point for the new arc. See
“The Current Point” on page 294.

2. Select CAD> Lines> Input Arc to
open the New CAD Arc dialog.
The New CAD Arc dialog can also be
opened by double-clicking the Arc 1 The X Position (horizontal) and Y
Position (vertical) coordinates of the
Tools parent button. Start Point for the new arc display here.
3. If necessary, specify the Start Point. They can also be changed, if you wish.
4. Specify the method used to define the Specify how you want to define the
arc’s Direction, then define its angle. 2 arc’s Direction, then specify its angle.
5. Specify the method used to define the • The Start Direction defines the angle of
arc’s Extension, or length, then define it. the tangent from the arc’s start point.
6. Click OK to close the dialog and draw • The Chord Direction defines the angle
the arc. of the arc’s chord from the start point.

Start Direction = 0° Chord Direction = 45°

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