Working with control points in the graph view

Control points in the graph view define the shape of the path or curve, or create specific relationships between two variables. You can add, move, and delete a point along the curve at any time. You can also select several points at the same time to manipulate or delete a complete section of a curve or several curves.

Adding control points

You can add points anywhere along the curve to define its shape or to create relationships between different variables. Since you are defining different types of information in each of the graph views, there are slight differences with the way you add control points. The following table shows you how to add points in the different graph views.

Graph	To add a point	To insert a point between two points
Project Settings (Obstruction/Occlusion tab)	NA	Double-click between two points on the curve.
RTPC/Blend Tracks Editor	NA	Double-click between two points on the curve.
Position Editor	Double-click	Ctrl+double-click between two points on the curve.
Attenuation Editor	NA	Double-click between two points on the curve.
Switch Group Property Editor	NA	Double-click between two points on the curve.
Music Fade Editor	N/A	N/A
Performance Monitor	N/A	N/A
Game Sync Monitor	N/A	N/A
Soundseed Air Woosh Source Plugin Editor (Object Path Graph)	Double-click	Ctrl+double-click between two points on the curve.
Soundseed Air (Wind/Woosh) Source Plugin Editor	NA	Double-click between two points on the curve.

Selecting control points

Before you can move or delete a control point in the graph view, you must select it first. You can select one, several, or all control points at a time. If several curves are displayed in the graph view at the same time, you can select several points on different curves to move or delete them.

To select a control point in the graph view:

In the graph view, click a control point to select it.
The selected control point turns black.

To select several control points in the graph view:

In the graph view, do one of the following:
- Drag a marquee selection over the points you want to select.
- Ctrl+click the points you want to select.
The selected points turn black.

To select all control points in the graph view:

Click in the graph view to make it active.
Press Ctrl+A.
All points in the graph view become selected and turn black.

Moving control points

You can manipulate the shape of a curve or curves by moving one or more control points anywhere within the graph view. When the graph view is completely zoomed out, however, you are constrained by the outside borders of the graph view.

To move control points in the graph view:

In the graph view, select one or more control points.
The selected control points turn black.
Drag the point(s) anywhere within the graph view boundaries.

	Note
	You can also move points by using the arrows keys or by typing a value directly into the X and Y Coordinates fields. If more than one point is selected, the values you type in the X and Y fields will offset the points from their original location.

Deleting control points

If you want to remove points from your curves or path, you can delete them. Certain points, however, cannot be deleted. The following table describes the points that can be deleted in each of the graph views.

Graph	Points that can be deleted
Project Settings (Obstruction/Occlusion tab)	All points except the first and last one.
RTPC/Blend Tracks Editor	All points except the first and last one.
Attenuation Editor	All points except the first and last one.
Position Editor	All points except the first one.
Switch Group Property Editor	All points except the first and last one.
Music Fade Editor	N/A - there are no control points in the Music Fade Editor.
Performance Monitor	N/A - there are no control points in the Performance Monitor.
Game Sync Monitor	N/A - there are no control points in the Game Sync Monitor.
Soundseed Air Woosh Source Plugin Editor (Object Path Graph)	All points except the first one.
Soundseed Air (Wind/Woosh) Source Plugin Editor	All points except the first and last one.

To delete control points from the curve:

Select one or more points along the curve(s) or path.
The selected control points turn black.
On Windows, press the Delete key. On macOS, press fn+Delete.
The control point(s) are removed from the curve.

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