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17.6.4 - Timeline Area Selection Dialog - How To...

Q: How do I specify an area selection Key Frame?

A: Area Selection Key Frames can be specified by dropping an area selection method into the TimeLine using Drag and Drop, or by using the Add to TimeLine dialog. You can also add a new area selection keyframe by pressing Ctrl + Click. This will add a new area selection key frame to the TimeLine, load the image that is associated with that frame, and waits for you to make the area selection for the area selection key frame.


Q: How do I make an area selection for a key frame?

A: Area selections can be made for a key frame by double clicking on the key frame's area selection icon. This will open the Area Selection Object dialog. This dialog contains a command called Make the area selection now. Selecting this option will automatically bring the last action image to the front, and change the area selection method to the one specified in the key frame. The area selection can then be made in the action image in the desired size and location. You do not need to worry about image resolution since the area selection will be automatically scaled to fit any image size.


Q: How do I alter an existing area selection key frame?

A: An area selection key frame can be altered in one of three ways. The first method is to simply specify a new area selection key frame by dragging the desired area method from the tool box, and placing it over the key frame you wish to replace or alter. You can then select to make a new area selection for that key frame. Optionally you could also Ctrl+Click on the area selection icon to automatically load the appropriate key frame, and specify the area selection. The second method is to make a new area selection for the existing key frame. This can be done by double clicking on the key frame's icon, and then selecting Make the area selection now. This allows you to make a new area selection for the current key frame. Optionally you could also Ctrl+Click on the area selection icon to automatically load the appropriate key frame, and specify the area selection. The final method is to leave the area selection as it is, but change the area selection method used for the key frame. This can be done by double clicking the area selection icon, and then selecting the Method drop down list. This list contains all of the available area selection modes in F/x. Select the area selection mode that you would like to change to, and F/x will automatically adjust the area selection for that area selection mode.


Q: How do I turn Interpolation "on" or "off"?

A: Interpolation of area selections will automatically default to on. This means that the area selection specified in the first key frame will alter its shape and transparency settings over the sequence of frames to match the next key frame's area selection settings. Interpolation can be turned on or off using the Interpolation check box found in both the Area Selection Object and Area Selection Details dialogs.


Q: How do I make an area selection interpolate back to the first area selection key frame?

A: Area selections can be interpolated back to the original area selection by setting up a time line that has a continuance arrow for the last frame of the entire sequence. This will force F/x to interpolate the last area selection key frame back to the first area selection key frame. There is an example of this in the TimeLine Basics section of the documentation.

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