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> Hello All;
> Simple problem - I need to animate a line of a solid color that starts on the right and moves across the screen to the left. I know I can create a layer of a solid color and then animate the scale to sort of make it work but that changes both sides of the line and I need to only change the position of one side.
> I know there are probably numerous ways of doing this - what is the easiest and most straightforward. Thanks.
rectangular mask that covers line, animate it off screen and it will
reveal the line as it moves off.
Most efficient is probably the Shape Layer + Pen Tool.
1. Draw your line (no fill, stroke only)
2. Animate End value. (0-100%)
This allows you to draw any path, change the path, and also maintain continuous rasterization on changes to size.
If you use pen, you can link to any mask shape with expression as well.
I have never heard of the shape layer. I am using AE 6.5 ! If it is available in 6.5, I' be interested in learning how to access it.
Create a 2 point mask with the pen tool on a solid layer, apply the Stroke effect, and animate mask shape.
It's funny how many ways there are to do this.
WOW - It works like a charm and is exactly what I need.
Sure, Tim. No problem.
Ko's way of doing it is the more modern, less clunky version with newer versions of AE.
I prefer using Paint rather than Stroke. The quality is better, you can get thinner lines/outlines. In v6.5, you can copy the mask path onto the Paint path. However, with CS3 you can link the 2 together via expressions - such a useful feature!
... Or you could use Shape Layers to begin with (Stroke + Trim Paths). Offers the same degree of "fineness" and provides multiple cap options as well.
Actually, Shape Layers offer an even better degree of fineness, since they are rasterized only once (post-transform at the comp resolution) whereas Paint is rasterized twice (pre-transform at layer resolution, then again after the transform at the comp resolution).
Unfortunately, Tim is using AE 6.5, so shape layers aren't an option.
Ah, yes. Overlooked that little important fact. ;-)