Changing document size

- [Instructor] In order to change the size of a document…for a specific output device,…we'll use Photoshop's Image Size command.…We can choose Image and then Image Size…or use the keyboard shortcut Command + Option + I.…On the left side of the dialog…is a preview of the image area,…and on the right-hand side are all of the image dimensions.…We can see that Photoshop automatically…gives me the Hand tool so that I can reposition…the preview within the window.…

It also zooms the window to 100%…so that I can get an accurate view.…We can also click and then drag…to make the Image Size dialog larger.…And if I position my cursor over the image area,…I get a square that represents the preview size,…so that if I click, I can quickly navigate…to previewing different areas of the image.…Now, we can see that this file is 12 by eight inches…at 300 pixels per inch.…It's an almost 25-meg file,…and it's 3,600 pixels by 2,400 pixels.…

If I turn off the option to Resample…and then I make changes to the width, height, or resolution,…