Join Mordy Golding for an in-depth discussion in this video Using image pixels as an opacity mask, part of Illustrator Insider Training: Seeing Through Transparency.
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Until this point we've been creating our opacity mask in a very specific way.…We've been taking artwork and then we take some other kind of vector shape, be…it a circle with a Gaussian blur or maybe a rectangle that has a gradient…applied to it, and we've been using that vector shape as an opacity mask.…However, it's important to realize again that an opacity mask is simply using…the different gray levels to create the mask itself.…So we're not limited to actually using vector shapes for masks. We can actually…use an image as an opacity mask.…
In that case, the image or I should say the pixels inside of that image…determine the visibility of the artwork that appears beneath it.…Now in the past we've taken for example an image and put a vector shape on top…of it so when we make an opacity mask the top object becomes the mask, but if…we reverse the order and we put the image on top and the vectors on bottom,…then it's the image that becomes the opacity mask for the vector beneath it.…Let's actually apply that here in this case, because many times you know…
- Understanding how transparency works across the Adobe applications
- Deconstructing the Transparency panel
- Adding transparency to gradients
- Understanding how overprints and knockouts work
- Using a gradient or complex appearance as an opacity mask
- The rules of transparency flattening
- Working with complex regions
- Understanding the relationship between flattening and stacking order
- Creating and sharing flattener presets
- Saving PDF files and using the PDF/X standards
Skill Level Intermediate
Illustrator Insider Training: Coloring Artworkwith Mordy Golding4h 44m Intermediate
1. Core Transparency Concepts
2. Applying Transparency
3. Using Opacity Masks
4. Transparency Flattening
5. Establishing a Safe Workflow
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