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+ - Normally, when you trim regions by dragging with the mouse, it affects - only the selected regions. Their lengths are directly affected by the - trim operation, but nothing else is. Sometimes though, you might like - to trim a region that directly adjoins another, and keep this relationship - the same — you are not trying to make one of the regions extend - over the other — you would like the junction to move in one - direction or the other as part of the trim. This requires trimming both - regions on either side of the junction, in opposite directions. - Push/Pull trim, activated by pressing shift key before - starting the drag, will do just that. Here's a few pictures to show the - difference in the results of a normal trim and push/pull trim. First, - the initial situation: + Normally, when trimming regions by dragging with the mouse, it affects + only the selected regions. Their lengths are directly affected by the + trim operation, but nothing else is. Sometimes though, when trimming a region + that directly adjoins another, the desired result is to move the boundary + between the regions and not to make these regions overlap. This requires trimming both + regions on either side of the junction, in opposite directions. + Push/Pull trim, activated by pressing key before + starting the drag, will do just that.
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- Here is what happens after we trim the right hand (selected) region by - dragging its starting position earlier: + The following pictures show the difference in the results of a normal trim and + a push/pull trim:
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+ - You can see that it now overlaps the earlier region and a crossfade has - been created between them. + In the initial situation, before trimming, two adjacent regions are present, + the rightmost-one being selected.
- Lets look now at what happens if we do the same trim, but Left-dragging to turn it into a push-pull trim instead: + The simple trim, obtained by dragging the selected region's starting position earlier, overlaps + the earlier region. A crossfade has been manually created between them, so their + sound will fade from the leftmost region to the rightmost one.
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- There is no overlap, and the end of the earlier region has been moved - along with the start of the later region, so that they still directly - adjoin each other. + If the same trim is done, but by Left-dragging + to turn it into a push-pull trim instead, there is no overlap, and the end of + the earlier region has been moved along with the start of the later region, so + that they still directly adjoin each other. In effect, it is like doing a simple + trim to reduce the leftmost region, then doing a simple trim to extend the rightmost + one to fill the gap.
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