![]() Good color scale Lossy type file you will lose quality every time you save the image The file size can be smaller GIF Jpg Gif Png Tiff psd If you take an image and save it using the different file types above, each image will be a different file size and have different levels of quality. What image file format should I use? File formats are important and each will have their own strengths and uses. ![]() Onscreen images it’s the pixel dimensions that matter (PPI) Resolution is a measurement in printing and it matters only when you print. Images are made up of tiny dots called pixels. ĭPI for inkjets 200-300 for a photo DPI for ProPrinter (service) 300 for magazines, brochures, books (call and ask) DPI for laser printer/newspaper 150-200 for newspaper ads, documents, newsletters How much resolution do you need for a nice print? Depends on the printer. Tip: Online images do not need to be more than 72 -96 ppi. On a printer, the printer prints dots so it is visible when printing at an incorrect resolution. Tip: On screen, our eyes cannot tell the difference between an image that is 72 ppi and 300 ppi. C:\Users\fcampana.MORGAN\Desktop\How Come My PowerPoint Slides Take So Long To Load_instr.docx Colorado State University Computer Applications Training © If you want to print the image, you will need to increase the resolution and lower the size of the image. For example, when downloading images from your digital camera, resolutions are going to be set at 72 ppi by default. If you increase an image resolution, pixels are packed more tightly, higher quality print If you decrease an image resolution, pixels are packed more loosely, larger print, but lower quality ![]() Images for Print: Resolution is measured in DPI dots per inch printers print dots Caution: Don’t use these terms interchangeably Resolution Measurement is really how to tell the printer how tightly to pack the pixels together during printing process. Onscreen Images: Resolution is measured in PPI pixels per inch a measurement of how many pixels are going to be displayed per inch. ![]() Pixel Dimension: Pixel dimension is how many pixels make up the image. Notice the image is made up of blocks of color pixels. From Photoshop, open a file, zoom in, draw a marquee around any part of the image. ![]() Pixel: The smallest element of any picture. PDI 2009 Working with Images for PowerPoint to get the Best Result What are Pixels and Resolution? Image Resolution: Image Resolution is the number of pixels displayed per unit of printed length A measurement used in printing. ![]()
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