Catch Option

This operation is used to precisely locate feature points during drawing an object.

To catch option, do the following:

1. To open Catch Option dialog box, do one of the following:

   • In common tool bar, click .
   • In menu bar, click Draw → Catch Option.

   Catch Option dialog box pops up:

   

2. Select feature points according to the shape of the object.

3. Set catching sensitivity when the cursor is moving close to the feature points.

4. Optional: If Custom Polar Axis is checked in Catch Option dialog box, do the following to set incremental angle:

   1. Click Draw → Polar IncAngle. Polar IncAngle dialog box pops up.

   2. Set incremental angle and check Enable.

   The system catches feature points based on the set incremental angle. When you rotate the set angle, a polar axis line appears.

5. To enable catching function, do one of the following:

   • In common tool bar, click .
   • In menu bar, click Draw → Catch.

Once the cursor moves close to the feature points, it can locate to the points easily.