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Step 2Choosing your image.
This can be the most difficult step, as space and color restraints make what would seem to be an ideal image impractical, or even impossible to replicate well in Post-Its. Just be flexible and work within those limitations and everything will work out in the end.
I will post several examples throughout this Instructable, but the one I will be using to show how to edit and convert everything will be the Mona Lisa. I will also be using the size mentioned on previous step - 6' x 8', which works out to 24 x 32 Post-Its.
For this particular image:
PROS - Not a lot of colors in the palette, easy to recognize
CONS - Lots of dark colors (Post-It's are bright), doesn't resize well
By "doesn't resize well" what I mean is that when you convert this to Post-It sized pixels, you lose a lot of detail. In the images below I show the original, and then that same image converted to 24 x 34 Post-Its (the closest resize option). Note that while you can tell what it is, most of the detail of her face is lost. this becomes even more apparent when you limit yourself to 5 or 10 colors.
The second example has been cropped and resized to 24 x 31 Post-Its to just show her face. This is still recognizable, and has the benefit of being easier to see with a limited palette. Note that we eliminate a lot (but not all) of the dark colors, which aren't obvious Post-It options unless you want to color them with markers or something.
Either way, the choice is ultimately yours, and as long as you are happy with it, that's all that really matters, isn't it? :)
I could go on and on about what images seem to work and what images don't, but the best and easiest thing to do is just experiment. Once you get the hang of the steps you're talking about 2-3 minutes from finding the image to previewing the final mosaic colors, so you can test quite a few ideas out in a very short time.
I will post several examples throughout this Instructable, but the one I will be using to show how to edit and convert everything will be the Mona Lisa. I will also be using the size mentioned on previous step - 6' x 8', which works out to 24 x 32 Post-Its.
For this particular image:
PROS - Not a lot of colors in the palette, easy to recognize
CONS - Lots of dark colors (Post-It's are bright), doesn't resize well
By "doesn't resize well" what I mean is that when you convert this to Post-It sized pixels, you lose a lot of detail. In the images below I show the original, and then that same image converted to 24 x 34 Post-Its (the closest resize option). Note that while you can tell what it is, most of the detail of her face is lost. this becomes even more apparent when you limit yourself to 5 or 10 colors.
The second example has been cropped and resized to 24 x 31 Post-Its to just show her face. This is still recognizable, and has the benefit of being easier to see with a limited palette. Note that we eliminate a lot (but not all) of the dark colors, which aren't obvious Post-It options unless you want to color them with markers or something.
Either way, the choice is ultimately yours, and as long as you are happy with it, that's all that really matters, isn't it? :)
I could go on and on about what images seem to work and what images don't, but the best and easiest thing to do is just experiment. Once you get the hang of the steps you're talking about 2-3 minutes from finding the image to previewing the final mosaic colors, so you can test quite a few ideas out in a very short time.
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