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  • image size and resolution

    Posted by Alan Tonn on July 8, 2008 at 3:45 am

    Hello All

    I really don’t know if I should be posting here or in the Photoshop forum. My problem is related to both Photoshop and after effect.

    My particular problem is that I am trying to get a bunch of images to be the same size in after effects. I did it once, but for some reason I can’t manage to do it again.

    I have 2 sets of images, call them A and B. image set a is the set that I managed to somehow make work. Both sets of images need to be circles in after effects. I used Photoshop to trim them to be just the circle of the image and cut away all the parts that were unnecessary. So I have an image that is a circle layer in Photoshop with no background. This was so that I could auto trace the layer in after effects to get a mask to stroke.

    As I said this worked beautifully for set A. but when I bring set B in after effects has them at all different sizes. When I try to scale them they all change at different “rates”. Even when I went back into Photoshop and changed the resolution to the same on all pictures the sizes were different.

    One of the first things I did was changed them to all fit within 800 x 600 but some are portrait and some are landscape.

    I don’t really know where I am screwing up, but if someone could help me figure this out it would be greatly appreciated.

    Alan Tonn replied 17 years, 10 months ago 4 Members · 4 Replies
  • 4 Replies
  • Simon Bonner

    July 8, 2008 at 8:48 am

    I’m also not sure what’s going wrong, but you say you tried to scale the layers and they scaled at “different rates?” Try parenting all the layers to a null object and then scaling the null instead. You can delete the null once you’re done. I actually have a tutorial on this at my youtube channel, it’s the most recent one. Link below.

    Simon Bonner

    youtube.com/simonsaysFX

  • Wieger De leur

    July 8, 2008 at 8:51 am

    Hi Alan,

    Do all your images have to fit inside the same circle? Because then a very easy solution in after effects would be to:
    – add a layer on top of all the image layers (name it ‘circle-layer’);
    – add a circular mask to this layer;
    – duplicate this layer
    – change the blend mode of the lower circle-layer to stencil-alpha
    – add the stroke effect to the upper circle-layer and change the paint-style to ‘on transparent’.

    Maybe another solution would be to create a 800×600 document in photoshop; import all your images as layers in this document. Save it as .psd and import this document as a composition in after effects.

    Hope this helps!

  • Kevin Dearing

    July 8, 2008 at 4:26 pm

    Hi Alan,
    My “answer” is more a Photoshop answer and I’m not sure if you care how the images are scaled but in Photoshop under the File menu, Automate, you can choose ‘Fit Image’ to automate rescaling your images. So you can record an action where you Fit the image into whatever Height & Width you need then set up an automation batch to do this for you. I believe that if the image is Portrait and your ‘Fit into’ dimensions are set up for landscape (or vice-versa) then the ‘Fit Into’ feature will set the new height to your constraint settings and the aspect ration will be retained so you’d have space on the left and right of the image.. Not sure if that’s what you want or not though..

    –KTFA

  • Alan Tonn

    July 9, 2008 at 4:31 am

    i have always been wanting to try a null object.

    YEE HAA! WHOO HOO!

    thanks! 🙂

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