Trimming entities

The TRIM command clips or trims entities by cutting entities.

If the EDGEMODE system variable is On, entities extend to an implied edge of the boundary entities.

If the boundary entity is not in the same plane as the entity you want to extend, the PROJMODE system variable lets you choose how the intersection is to be calculated. The options are:

• Project to the XY plane of the current UCS.
• Project to the current view plane.
• True 3D mode (No projection).

When trimming entities, you first select the cutting edges, and then specify the entities to trim, selecting them either one by one or using the fence selection method.

The following entities can be trimmed: lines, two- and three dimensional polylines, arcs, circles, ellipses, elliptical arcs, splines, rays and infinite lines.

Cutting entities can be: lines, splines, polylines, arcs, circles, elliptical arcs, ellipses, rays, infinite lines, layout viewports.

Entities in a block can be selected as cutting entities.

Trimming entities

1. Launch the TRIM command.

   You are prompted: Select cutting entities for trim [selection options (?)] <ENTER to select all>:

2. Select a cutting entity.

   Entities in set: 1

   You are prompted: Select cutting entities for trim [selection options (?)] <ENTER to select all>:

3. Select more cutting entities or press Enter to stop selecting.

   You are prompted: Select entity to trim or shift-select to extend or [Fence/Crossing/Edge mode/Projection/eRase]:

4. Select an entity.

   The entity is trimmed by the cutting entity.

   You are prompted: Select entity to trim or shift-select to extend or [Fence/Crossing/Edge mode/Projection/eRase/Undo]:

5. Select more entities or press Enter to stop.

Note:

• Entities which are selected when you launch the TRIM command will be used as cutting entities.
• Hold down the Shift key when you select an entity to extend the line to the cutting entity.
• Use the Fence or Crossing selection method to select a series of entities simultaneously.