progeCAD Professional manual The low-cost alternative to AutoCAD

Index



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Creating simple entities - Drawing arcs

Specify the endpoint.

 
 
 
Start point ( A ), second point ( B ), and endpoint ( C ).
  1. The prompt box provides additional options for drawing arcs. For example, after you specify the start point of an arc, you can choose Angle, Center, Direction, Endpoint, or Radius. You can select the options in a different order as well. For instance, you can draw an arc by specifying its start point, endpoint, and radius, or you can specify the start point, radius, and then endpoint.
To draw an arc by specifying its start point, center point, and endpoint
  1. Do one of the following:
  2. Choose Draw > Arc > Start, Center, End.
  3. On the Draw toolbar, click the Arc Start-Center-End tool (
  4. ).
  • Type arc and then press Enter.
  • Specify the start point.
  • In the prompt box, choose Center.
  • Specify the center point.
  • Specify the endpoint.
 
 
Start point ( A ), center point ( B ), and endpoint ( C ).
To draw an arc by specifying two points and an included angle
  1. Do one of the following:
  2. Choose Draw > Arc > Start, End, Angle.
  3. On the Draw toolbar, click the Arc Start-End-Angle tool (
  4. ).
  • Type arc and then press Enter.
  • Specify the start point.
  • In the prompt box, choose Angle or type angle and insert a value.
  • To draw an arc in a counterclockwise direction, enter a positive value for the included angle.

To draw an arc in a clockwise direction, enter a negative value for the included angle.

  1. Specify the endpoint.
 
 
Start point ( A ), endpoint ( B ), and included angle ( C ).
  1. If the last entity you drew was an arc or a line, you can also draw an arc tangent to and starting from the endpoint of the arc or line.
To draw an arc tangent to an arc or line
  1. Do one of the following:
  2. On the Draw toolbar, click the Tangent Arc tool (
  3. ). Go to step 3.
  • Type arc and then press Enter.
  • In the prompt box, choose Follow.