Mask offset??

[chrisbrearley]

What's going on here? Masks are offset by a pixel??

[chrisbrearley]

Something is broken.

Here is a 1x1 black solid. It has no position or anchor point offset. It should be fully opaque and the anchor point should be in the middle.

[Ali Jaber]

Use integer numbers in the position property and see if the problem persists. If you use decimal numbers (eg: 25.3 pixels) After effects will round the position of the boundaries and it will look as if it's wrong.

The same applies for the masks in your first post, as those are not positioned at exact integer pixels values.

[chrisbrearley]

Try it yourself. Make a comp, add a solid, draw a mask. Zoom in to 1600% and see if you can get your mask to match the edge.

[Ali Jaber]

Tried it, and you are right.

Personnaly I don't care if it's shifted half pixel at 1600%, it won't change anything for me, but maybe it would affect others workflow, I don't know..

[chrisbrearley]

Today I had to cleanup some 1x1 dead pixels.. So it was definitely an issue.

[chrisbrearley]

Here's another example. This is a 24x24 pixel solid. No masks. Why is it offset from its layer bounds?

[chrisbrearley]

24x24 pixel solid in AE 17.6. Layer bounds match the edges of the solid.

[Byron Cortez]

You may have a very small percentage of smoothing applied, and you also have a very low resolution factor. You must show us with one or more complete screenshots the settings of the mask and the adjustment of everything related to quality, resolution and zoom, perhaps that way we could see something that you need to adjust.

[chrisbrearley]

Nope. Try it yourself. Make a comp, add a solid, draw a mask. Zoom in to 1600% and see if you can get your mask to match the edge.

Just checked with AE 17.6 and everything works as it should. 

Something is seriously off and is effecting EVERY composition you and everyone else is working on right now.

[chrisbrearley]

Here is the same thing in AE 17.6 - no offset. To any AE dev reading this, whatever has been done to break this, please unbreak it.