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Chapter 5 Work in Edit mode 62
Work with graphs
Using graphs, you can graphically remap the values for some MIDI control messages so that
input values from your controller produce dierent output values for the channel strip or plug-in
parameter. Graphs make it easier to see and modify a range of values for a parameter, such as
velocity or lter cuto.
You can use graphs for the following types of parameters:
•
Controller transforms
•
Velocity scaling (both input velocity and note input)
•
Parameters to which a screen control is mapped
You open a graph window by clicking the button for that type of graph in the appropriate
Inspector. The Transform and Velocity Scaling graphs for the selected channel strip are available
in the MIDI Input tab of the Channel Strip Inspector. The Parameter graph for the selected screen
control is available in the tab for the individual mapping as well as in the Mappings tab in the
(Edit mode) Screen Control Inspector.
The graph shows the range of input values on the horizontal (x) axis, moving from left to right,
and shows the range of output values on the vertical (y) axis, moving from bottom to top.
In the graph window, you have several ways of working. You can edit the graph curve directly,
edit values numerically using the Precision Editor, or use the Curve buttons to set the graph to
one of the predened curves.
You can also save your changes to a graph as a preset, and apply the preset to other graphs.
Edit a graph
1 Select the channel strip or screen control you want the graph to apply to.
2 Select the MIDI Input tab (for transform and velocity scaling graphs) or the Mapping tab (for
parameter mapping graphs).
3 Click the graph button for the type of graph you want to edit.
4 In the graph window, do one of the following:
•
To set the graph to one of the preset curves, click one of the Curve buttons.
•
Click the curve at the point where you want to add a node, then drag the node to the desired
value. Drag horizontally to change the input value, or vertically to change the output value.
As you drag, the current values of the node appear next to the pointer.
•
Double-click the curve at the point where you want to add a node, then edit the values for the
node in the Precision Editor.
•
Option-click any part of the curve (except a node), then drag the dotted part of the curve to
make the curve nonlinear.
5 Continue adding and adjusting points on the curve until you achieve the result you want.
6 When you are nished, click the close button at the upper-left corner of the graph window, or
press the Escape (Esc) key.
After you have edited a graph, the button for the graph in the Inspector shows the edited shape
of the graph in a dark blue color to make it easier to identify which graphs you have edited
and how.