Making images draw them selves

How do I make a line look like it is drawing it self? Or a book that is writing it self… Can I first create an image, then expose more and more over time? Or do I have to draw it bigger and bigger frame by frame? What’s the normal way to do this? And how do I do it? ???

Well, check this link out… it’s done with Studio…
but, I guess the same technique can be applied with Animate…
http://www.tallgrassradio.com/toonboom/2007/10/using-subtractive-animation-technique.html

Cheers
Nolan

This looks great… Thanks a bunch. ;D

Does this technique apply to large images with a lot of details as well? Like a tree growing and growing with many branches and leafs…? If so, should I divide the image into several separate drawings, and do one by one? Whats the smart thing to do??

Well, are you using bitmap-images for your tree…?
Personally, I would build my tree with drawing-elements and would use morphing-sequences for the growing part…
Here is a very nice growing-plant tutorial (done with Digital-Pro)…
shouldn’t be a problem to recreate with Animate…
http://www.toonboom.com/products/digitalpro/eLearning/tipsTricks/growing.php

Cheers
Nolan

This is perfect.
Thanks again. ;D