2012

To create a construction line by specifying two points
1 Click Home tab ➤ Draw panel ➤ Construction Line.
2 Specify a point to define the root of the construction line.
3 Specify a second point through which the construction line should pass.
4 Continue to specify construction lines as needed.
All subsequent xlines pass through the first point specified.
5 Press Enter to end the command.
To create a ray
1 Click Home tab ➤ Draw panel ➤ Ray.
2 Specify a starting point for the ray.
3 Specify a point through which the ray should pass.
4 Continue to specify points to create additional rays as needed.
All subsequent rays pass through the first point specified.
5 Press Enter to end the command.
Quick Reference
Commands
RAY
Creates a line that starts at a point and continues to infinity.
XLINE
Creates a line of infinite length.
Create and Combine Areas (Regions)
Regions are 2D enclosed areas that have physical properties such as centroids
or centers of mass. You can combine existing regions into a single, complex
region.
Create and Combine Areas (Regions) | 733