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Activity Forums Adobe After Effects Stroke effect/write on

  • Stroke effect/write on

    Posted by Steve Waldron on October 26, 2012 at 12:16 pm

    Greetings! I am in the early stages of setting up a workflow for what could be a large amount of whiteboard style videos.

    I have been able to create a lot of vector path images using illustrator which I have then pulled into AE masks.

    I can use stroke to then animate these lines ‘drawing on’ which is great – but for the final stage I want to add a hand and pen following the path.

    This is where I’m stumped.

    The stroke effect uses the progress of the lines as a percentage so there is no anchor point to parent the pen tip to. I can manually trace the path using write on, motion trace or similar but I could potentially have dozens of videos in a series each holding a large amount of images. So I was sure I’d be able to find a more efficient way but so far no luck.

    Any ideas from the collective genius of the cow?

    I found a program called VideoScribe that seems to do what I want but found the program quite limited in terms of quality and other options and so wanted to keep things under the after effects roof if possible.

    Thansk folks.

    Steve Waldron replied 13 years, 6 months ago 2 Members · 3 Replies
  • 3 Replies
  • Vishesh Arora

    October 26, 2012 at 5:53 pm

    Steve

    COpy the Mask Path and Paste is into the Position Attribute of your Pen/Hand Image.

    Here is a tutorial which may help:

    https://allbetsareoff.com/tutorials/animating-a-signature-part-2/

    Vishesh Arora
    3D and Motion Graphics Artist
    Films Rajendra

    Blog:
    https://digieffects.wordpress.com

    Demo Reel(3D):
    https://www.youtube.com/watch?v=lHPgIJU_BR8

  • Steve Waldron

    October 29, 2012 at 10:35 am

    This is great, thanks both, although a slight problem that still needs ironing out. It could be an AE question – but also could be illustrator…

    I’m bringing in not just one, but many paths, all of them are vector paths copied out of illustrator, when I paste them in it creates about 25 paths – I guess what I need to do is collate these into just one path so the solution you’ve suggested works.

    I’m not hugely experienced within illustrator but cant seem to find a meathod of taking several paths and merging them into one – I shall continue my hunt.

    Once I get the 25 paths down to just one, it should work a treat, I’m just seeing if anyone knows way to do this either within AE or IL?

    thanks again.

  • Steve Waldron

    October 29, 2012 at 4:02 pm

    yeah, I’ve joined the paths in illustrator and experienced some issues with the joinings like you mentioned. It’s fixable, but not terribly viable on a long term basis as I’d spend a ton of time in illustrator for each image.

    Thanks anyway for the help and advise guys, I’ll keep working on it.

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