Edit curves and shapes

To edit lines, curves and shapes:

Select the Node Tool.
Tap to select the line, curve or shape.
Do one of the following to change the curvature of segments:
- Tap a node (a) and drag to reposition.
- Drag a control handle (b) to accentuate or lessen curvature.
- Tap anywhere on a line segment (c) and drag.

To convert nodes to a different type:

Select the node(s) you want to change and select one of the node types on the context toolbar; choose from Sharp, Smooth or Smart.

To add nodes:

With the curve selected, tap at the point where you want the node to be added.

To split curves with a new node:

Tap to select the node before the adjoining curve segment you want to add a midpoint node to.
From the context toolbar, tap Split.

Which segment is split depends on the current curve orientation (indicated by a red-line indicator). Use Reverse to change this curve orientation or reselect an adjacent node to split from.

To delete a selected node:

From the context toolbar, tap Delete.

To close curves:

Do one of the following:

Select the curve and then Close on the context toolbar.
Drag the end node and drop on top of the start node when the pointer changes.

To break (split) curves:

Select the node at the point at which you want the curve to break and then Break on the context toolbar.

To smooth curves:

Select Smooth on the context toolbar. This modifies a line or shape, by adding and removing nodes automatically around inflection points.

To join separate curves:

With the Node Tool enabled, select two separate curves.
Tap Join on the context toolbar. A straight line segment connects between the two curves.

To reverse curves:

With the Node Tool enabled, select Reverse on the context toolbar. The start node becomes active, ready for further drawing from the opposite end of the curve.

The start node will be toggled from clockwise to anticlockwise. With a closed curve selected, this direction can be viewed when Show Orientation (on the context toolbar) is toggled on (default). With an open curve selected, the direction of the curve is swapped, ready for further drawing from the opposite end of the curve.

To fill holes in a shape:

From Edit>Operations select Fill Holes.

To remove inner curves within an open curve (or closed curve):

From Edit>Operations select Remove Inner Curves. Edit>Fill Mode>Winding must be enabled.

This operates on a per layer basis.

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