Wednesday, 17 September 2014

Droste effect with Pixelmator

I usually do droste effects with special software, but this time I decided to do it with Pixelmator.

The droste effect is interesting, and actually quite simple to do. You take part of a photo, and repeat it, over and over, giving the appearance of infinite repetition.

Here is the original photo. I asked my son, Tim, to hold a piece of colored cardboard, and took the shot.

I used Pixelmator's Paint Selection Tool and Magic Wand Tool to select the cardboard, and then used Edit->Refine Selection... to expand the selection by 1 pixel, and feather it slightly.

Then, I used the Eraser Tool to erase the cardboard, leaving a transparent hole in the photo.

I duplicated the photo, and then shrank and rotated the bottom layer, so it fit into the hole in the top layer.

I merged the two layers, which left me with a new picture with my first recursion, which of course had a smaller hole in it.

Then, I just repeated the process a couple of times: Duplicate, shrink, rotate, merge...

I exported the resulting photo, imported it into Aperture, and gave it a final touch, increasing definition, brightening it, and increasing the saturation just a touch.

Easy to do, and fun.

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