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MAWD Lesson 2.01
Understanding Digital Raster Graphics
| Term | Definition |
|---|---|
| Inches | Standard unit of measurement in the US; it’s on a ruler. |
| Pixels | Most common unit of measurement for computer screen display |
| Points | Basic unit of measurement for typefaces; 12 __. |
| Picas | One of this is equal to 1/6 of an inch. |
| Em space | the same as an __ dash, only now as a space. Named after the Capital M in early printing |
| Percentage | uses this symbol to measure:% |
| Resolution | The measurement of the amount of detail that is stored in a digital image |
| PPI | “Pixels Per Inch”; the number of pixels contained in one inch. |
| On-screen Resolution | How an image looks on a computer |
| DPI | Dots Per Inch; measures resolution of an image |
| RGB | Color mode that is used best for images displayed on a monitor or webpage; Red, Green, Blue |
| CMYK | Color mode that is best used for printed images; Cyan, magenta, yellow, and black |
| Aspect Ratio | The relationship between the height and width of an object |
| Cropping | Changing the borders of an image with the intention of cutting it |
| Layering | Compiling multiple pictures or objects together into one image |
| Selections | Finding a specific area of a layer that allows you to move/apply techniques to it |
| Transforming | Changing the size or dimensions of a graphic through commands (ex: scaling and rotating) |
| Layer Styles | One or more effects applied to a layer group (ex: shadows, stroke, etc.) |
| Layer Masks | A non-destructive method that allows you to apply transparency to a specific portion of a layer with precision |
| Transparency | To make the background color of a graphic eliminated so that the background behind it can be seen |
| Fill | Applying a color, gradient, pattern, or texture into an object or area |
| Gradient | Filling an object with a smooth color transition |
| Adjustment Layers | Non-destructive layers that allow you to apply image tonal and color adjustments |
| Filters | Used to apply special effects to an image; think of snapchat |
| Clone Stamp | Samples area then allows you to paint over the image; used for things like blemish fix |
| Blend Modes | Change the way layers interact by determining how a layer will blend with the layers below it |
| Print screen Resolution | How an image looks on a printed paper |