the file size of the image when it's open in Photoshop - in the Pixel Dimension section the pixel dimensions, which is the width and height of the image in pixels - in the Pixel Dimension section When you use the Image Size dialog box to resize your images, or when you use the Crop tool options bar to crop, and consequently resize, your images, four aspects of your image can change: See the sections that follow for more information on resolution and physical size in the below sections. In general, higher resolution images print at a higher quality. When you go to print, the physical size of the image, the resolution, and the pixel dimensions interact to determine the amount of data in the image and its print quality. The other values used in resizing images, the physical size of the image when printed, and the resolution (the number of pixels per inch), aren't used in calculations until the image is printed. A monitor set to 640x480 pixels displays fewer pixels than a monitor displaying 1024x768 pixels, so each of the pixels on the 640x480 pixel monitor will be larger than each of the pixels displayed on the 1024x768 pixel monitor.Īn image of 100x100 pixels will take up approximately 1/6 of the screen at 640x480, but it will only take up approximately 1/10 of the screen at 1024x768, so the image will look smaller at 1024x768 pixels than at 640x480 pixels.
Your screen resolution determines how large the image appears to be. Images are of a fixed pixel size when they appear on your monitor. To find out what your screen resolution is, choose Start > Control Panel > Display > Settings and look at the screen resolution (Windows) or System Preferences > Displays and look in the resolution section (Mac OS). For example, large monitors typically display higher resolutions than small monitors because they have more pixels. There are several different screen resolutions you can use, and the physical size of the monitor screen usually determines the resolutions available. For example, a monitor with a screen resolution of 640x480 pixels will display 640 pixels for the width and 480 pixels for the height. The screen resolution of your monitor is the number of pixels that your monitor can display. If you understand these differences, then you can develop a better understanding of which settings to change when you resize an image. The size of an image when you view it on the screen is different from the size of an image when you print it. If you resize and crop images without being aware of the concepts involved, then you may see unexpected results. These concepts affect how the crop tool options operate as well. To get the best result when you resize images, you should understand the concepts behind and the results of each method of resizing. Each way to resize an image has advantages and drawbacks. You can resize your images in several ways using Adobe Photoshop and Adobe Photoshop Elements.
Support Knowledgebase Resize and Crop images in Photoshop and Photoshop Elements
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