After my After Effects files some how corrupting, I had to start over with my shatter effect tests. However this time I seemed to be doing something wrong because once the bird shattered, it left behind this outline of the shape which was really annoying me. It looked like this and I could NOT get it to go away:
I started off by lowering the 'extrusion' option and the lines did lose their visibility dramatically, but it was still there and still apparent. With a little help from my teacher, he showed me a really simple and effective way of how to overcome this issue and get rid of the lines altogether. They were there, because the image I wanted to shatter, even though it was a .png, the parts that made up the bird were bigger than the black and white image I used as the shape to orientate the shatter.
In Photoshop, I reopened my original file of the duck and selected all that was visible in the image. Then I went to Select>Modify>Contract, and typed in '2 pixels'. This then made my selection of my duck, 2 pixels smaller, which meant when I inverted the selection, and deleted the contents, I would be left with parts of the duck that would be smaller or the same size as the Black and White image of the duck, and there would be no left over lines... and it worked!
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