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Polylines
Polyline objects in AutoCAD LT 2011 now have extra grips to make editing them easier than ever. In
addition to the familiar primary grips located at the end of each polyline segment, there are now
secondary grips located at the midpoint of each segment. These grips, like the new hatch grips, are
multifunctional. The available functions can be seen by hovering over a grip, and you can choose an
option directly from the menu that appears.
Figure 34. Polyline direct manipulation tools
You can also activate a grip by clicking on it. Then you can cycle through the available functions by
pressing CTRL, or choosing one of the options from the right-click menu. Icons next to the cursor
indicate the active function.
Sub-selection for polylines has been refined in AutoCAD LT 2011. To sub-select one or more segments of
a polyline, hold down CTRL while left-clicking on the polyline.
Figure 35. Sub-selection for polylines
Grip behavior for sub-selected segments is identical to the behavior when the entire polyline is selected.
You can now use the JOIN command to connect lines, arcs, and polylines to 3D polylines, as long as they
are all contiguous (in other words, they share a common endpoint). You must select the most complex
object first (in this case, the 3D polyline), and the objects to be joined do not need to be coplanar.