Download DrawPlus X4 User Guide

Lines, Curves, and Shapes
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To delete a node, select the line with the Node Tool then the
node itself and click the Delete Node button on the context toolbar (or
press the Delete key). The node will be deleted, along with any
associated attractor nodes, and the line or shape will jump to its new
shape. With the Pen Tool selected, you can also delete a node by
clicking on it.
You can also use the Node Tool to reposition the nodes, and reshape the line or
shape, by dragging on the new handles.
Changing nodes and line segments
Each segment in a line has a control handle at either end, so at each interior or
"corner" node (where two segments join) you'll see a pair of handles. The
behaviour of these handles—and thus the curvature of the segments to either
side—depends on whether the node is set to be sharp, smooth, symmetric, or
smart. You can quickly identify a node's type by selecting it and seeing which
button is selected in the displayed context toolbar. Each type's control handles
behave differently as illustrated below.
To change one or more nodes to a different type:
1.
Select the object with the Node Tool, followed by the node(s) you want
to change.
2.
Click one of the node buttons (described below) on the displayed
context toolbar.
A Sharp Corner means that the line segments to either side of the
node are completely independent so that the corner can be quite
pointed.
A Smooth Corner means that the slope of the line is the same on
both sides of the node, but the depth of the two joined segments can be
different.