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Graphics Vocab
Vocabulary
| Term | Definition |
|---|---|
| Graphic Image | Visual design or representation made using various methods and programs |
| Pixels | Small squares of colors in a grid; a collection of pixels can produce in image |
| Bitmap Image | Also referred to as raster image; are a complex image made up of pixels that usually create realistic images or photos |
| Vector Graphic | drawings create dy using a series of lines and curves that usually create images like clip art, cartoons, diagrams, maps, etc. and can be resized without losing clarity |
| resolution | clarity of an image, expressed as dots per inch(dpi)or pixels per inch(ppi);the higher resolution,the greater the image detail |
| compression | Reducin gthe size of an image;2 Types:Lossy and LossLess |
| A.Lossless | compression reduces the file size without losing any pixel information |
| B.Lossy | compression reduces the size of an image file by removing or simplifying data that is not essential |
| file Formats | tells the computer how to display, print, and process, and save the data; dectated by the application program which created the file, and the operating system under which it was created and stored |
| A.GIF | Lossy raster file format that reduces the number of of colors in an image |
| B.BMP | lossy raster file format similar to GIF |
| C.PNG | lossless raster file format that preserves image detail and preserves image detail and preserves transparency |
| D.TIFF | lossless raster file format that preserves image detail and preserve transperancy |
| E.JPG | raster fiel format commonly used for photographs and image; most common digital format |
| F.WMF | windows meta file; udes for vector graphics |
| Aspect ratiow | ratio of width and height; must be maintained when image is resized to avoide distortion. |