vector integrity

[Joey Foreman]

You brought it in as an .ai file?

[Jay Brown]

Yes

i have 2 .ai files on 2 different layers in the comp

[Jay Brown]

Hi

I am using the Continuously Rasterize switch

I have just done a test by bringing in a perfect square from illustrator into Afx – again one of the vertical sides has a 1 pixel thick anti alias line on it

Is this normal in Afx – or am I missing something

This is very frustrating

thanks in advance

[Jay Brown]

Thanks DAve

I am working with the ai at a layer level not from the comp level.

I have tried the continuous switch at layer and comp layer to no avail.

The (perfectly) straight edges are antialiased 1 pixel thick on import before moved or scaled(this I cannot understand the need for)

It is particularly noticeable as the logo is white

thanks for your patience in this matter

[Jay Brown]

hmmm

Im really confused now……….I created the logo in Illustrator myself – its split and on two layers

………back to the drawing board i guess

Im right in thinking I shouldnt be getting the anti aliasing on straight edges in After effects, right?

[Darby Edelen]

[jay brown] “I have just done a test by bringing in a perfect square from illustrator into Afx – again one of the vertical sides has a 1 pixel thick anti alias line on it

Is this normal in Afx – or am I missing something “

This is normal. Pixels are the minimum units for a display element in After Effects but vector images are described mathematically, their lines can cross through half a pixel, in which case AE balances that edge’s contribution to the pixels it passes through (it becomes anti-aliased).

AE also allows for sub-pixel positioning, which bitmapped and vector images must deal with. Even if you have an image that is a perfect square, you must position it so that the edges of the square lie precisely “between” pixels. If the edge extends at all into a pixel it will begin to be shaded with the color of that edge.

Unless you’re experiencing excessive blurring, I think this is the most probably explanation. Can you post a picture?

Darby Edelen
Lead Designer
Left Coast Digital
Santa Cruz, CA

[Ray Apokal]

Hi Jay,

there could be a blending of two issues here, I think this is the first one:

My problem is the blur on the adjoining horizontal split is giving and ‘add’ effect when the logos opacity is animated.

you’re layers could be overlapping and will need to be adjusted by a pixel

the other is the issue of subjecting the perfect vector into the imperfect world of DV, I agree with Darby, let’s look at a picture.

LR Apokal

[Jay Brown]

Sorry guys- not to daft but I have never posted a picture on the forum before and cannot find information on how to do so.

The link to explaining posting seems to be broken

apologies once again

[Darby Edelen]

You have to host it somewhere online (such as at https://www.imageshack.us/ or on your own personal website) and then include an HTML

<img /> tag in your post:

<img src="https://www.mywebsite.com/myimage" />

Darby Edelen
Lead Designer
Left Coast Digital
Santa Cruz, CA

[Jay Brown]

Ok

Thanks guys for all your help…….. legendary patience Dave!!!

Darby youve made me feel sane again …… It was a “Im missing some check box for sure’ moment. :O)

Ive tried moving it left to right and get success to a certain degree with one or the other edges of the logo – not both and it fails when they animate

So the vertical bar on the right starts adjoined to the white on the left – it slides right and the opacity for the 2 ramps from 0 to reveal it.

The left and right 2 pieces of the log when adjoined at the start ramp in opacity to before the animation occurs.

So my problem is as the pre split logo ramps in opacity you can see the split due to the antialiasing (I think this is the right term in this case and not aliasing?) i can fix the final result by over lapping to begin with but you still see the ‘add’ effect of the 2 layers overlapping.

The image is here……

https://s289.photobucket.com/albums/ll214/hindsite74/?action=view&current=close_up.jpg

Any ideas?

Thanks again