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Logic Pro 9 User Manual - Help Library - Apple

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• Delete selected events: Choose this mode to delete selected events. This mode allows<br />

you to use the Transform window as a programmable erase function. All events that<br />

match the conditions are deleted, and all other events remain unchanged. The<br />

operation settings are irrelevant in this mode.<br />

• Copy selected events, then apply operations: Choose this mode to retain the selected<br />

events in their original form, copy them, and apply the operations.<br />

• Presets menu: Choose one of the transform presets or one of your own transform sets.<br />

• “Hide unused parameters” checkbox: Hides all unused menus in the Selection Conditions<br />

and Operations areas. This provides a better overview of the settings in use. It also<br />

prevents you from making accidental alterations.<br />

Defining Selection Conditions<br />

You can define conditions that determine which events are selected for transform<br />

operations. This is done in the Selection Conditions area of the Transform window.<br />

Each column represents a different MIDI event parameter.<br />

• Position: Determines the time position of the event, referenced to the start point of<br />

the MIDI region (not the start point of the project).<br />

• Status: Determines the event type.<br />

• Channel: Recorded MIDI channel of the event<br />

• Data Byte 1/Pitch: First data byte (controller number) or note pitch<br />

• Data Byte 2/Velocity: Second data byte (controller value) or note velocity<br />

Note: The parameters displayed in the Data Byte fields are dependent on the chosen<br />

Status menu setting. Certain Status menu settings will not show the Data Byte fields<br />

at all.<br />

• Length: Length of the note or event<br />

• Subposition: Time position of the event, within a bar<br />

The condition is considered to be fulfilled when an event matches the defined effective<br />

range, and values, of all event parameters. These ranges and values are determined in<br />

the pop-up menus and fields found under each of the event parameter columns.<br />

To choose the event type<br />

µ Click the Status pop-up menu to determine which events will be selected. You have a<br />

choice of two settings:<br />

• All: All event types fulfill the condition.<br />

• =: A further pop-up menu is displayed below the Status pop-up menu, in which you<br />

can define the desired event type. These include note, poly pressure, control change,<br />

program change, channel pressure, pitch bend, meta, and fader.<br />

Chapter 26 Editing MIDI Events in the Transform Window<br />

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