: Erase parts of a raster layer in Illustrator I have a composition in Illustrator where I want to erase some parts of a Raster (non-vector) layer. Basically there are drops of coloured ink floating
I have a composition in Illustrator where I want to erase some parts of a Raster (non-vector) layer.
Basically there are drops of coloured ink floating towards the PoV, and the background image has flat (vector) circles. And I want some of the colored drops to be hidden behind circles of the background and sometimes be hidden behind the background:
Sometimes I want the yellow ink drops to be hidden by the blue circles, sometimes I want them to be visible in the blue circle and hidden behind the purple background (it's abstract).
I think the easiest would be to "erase" in circle shapes the Pixels layer like I would do in Photoshop. But to make this simple I don't want to bring Photoshop into it.
EDIT: The raster layer is a transparent PNG. The raster layer cannot be recreated in vector (it's a photo of actual liquid drops), which is why it was brought as pixels in Illustrator. The vector shapes are easy to edit (simple circles)
How can I achieve this effect?
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Illustrator has no tools to directly edit the pixel data of raster images.
You can crop an entire raster image, you can adjust the blending mode of the entire image, you can mask part of the entire image. But you cannot alter the actual pixels of a raster image with Illustrator.
If you do not want to use Photoshop, the only option you have is to edit the vector content in Illustrator to achieve your desired results - such as add anchors to your circles and edit them. Or add clipping masks to your vector circles, if that's even feasible.
Without a direct example of what you are working with it's impossible to provide further direction in my opinion.
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