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Raster Graphics
Understand Digital Raster Graphics
| Term | Definition |
|---|---|
| Inches | The standard unit of measurement in the US |
| Pixels | The most common unit of measurement for computer screen display |
| Picas | A unit of measurement used in print design and is easily divisible |
| Points | The standard unit of measurement for typefaces |
| Em Space | A measurement to define the current point size of a font |
| Percentage | The value for each of the process inks |
| Resolution | A measure of the amount of detail stored in an image |
| PPI | Pixels Per Inch, the measurement for resolution |
| On-screen resolution | The resolution of images viewed on a computer or screen |
| Print Resolution | The resolution of printed images |
| DPI | Dots Per Inch, the resolution at which printers print |
| RGB | The intensity of the colors red, blue and green in an image |
| CMYK | The intensity of Cyan, Magenta, Yellow and Black in an image |
| Aspect Ratio | The relationship of an objects width to its height |
| Cropping | Cutting out part of an image |
| Layering | Compiling multiple pictures or objects together into one image |
| Selections | Identifying a specific area of a layer or image that allows you to move or apply techniques to only that specific area or that specific layer |
| Transforming | Changing a graphics size or dimensions through commands such as scaling or rotating |
| Layer Styles | One or more effects applied to a layer or layer group |
| Layer Masks | A non destructive method which allows you to apply transparency to a specific portion of a layer with precise control |
| Transparency | Removing the background color of a raster image making it see through in order to allow the image to blend into the background |
| Fill | Putting a color, gradient, pattern or texture into an object or area |
| Gradient | Filling an object with a smooth transition from one color to another |
| Adjustment Layers | Non destructive layers that can be added to allow you to apply image tonal and color adjustment |
| Filters | Used to apply specific effects to an image that would be to difficult to create manually |
| Clone Stamp | Samples an area of an image and allows you to paint over another area of the image |
| Blend Modes | change the way layers interact by determining how a layer will blend with the ones below it |
Created by:
emhaag
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