Autodesk AUTOCAD 2006, Справочник по командам, Страница: 1240 / 1490

the current drawing has 50,000 objects with only 1,000 nodes in the index
tree, increase the TREEDEPTH value to improve performance.
Each node consumes about 80 bytes of memory. The fewer objects per node
of the oct-tree, the better the performance.
TRIM
Trims objects at a cutting edge defined by other objects
Modify toolbar:
Modify menu: Trim
Command line: trim
Current settings: Projection = current Edge = current
Select cutting edges...
Select objects or <select all>: Select one or more objects and press ENTER , or press
ENTER to select all displayed objects
selected cutting
edge
Select the objects that define the cutting edges to which you want to trim an
object, or press ENTER to select all displayed objects as potential cutting
edges. TRIM projects the cutting edges and the objects to be trimmed onto
the XY plane of the current user coordinate system (UCS).
NOTE To select cutting edges that include blocks, you can use only the single
selection, Crossing, Fence, and Select All options.
Select Object to Trim or Shift-Select to Extend or
[Fence/Crossing/Project/Edge/Erase/Undo]: Select an object to trim, hold down
SHIFT and select an object to extend it instead, or enter an option
Specify an object selection method to select the objects to trim. If more than
one trim result is possible, the location of the first selection point determines
the result.
1216 | Chapter 21