Ngoài hình ảnh thay đổi kích thước, bạn có thể muốn sử dụng chỉ một phần của một hình ảnh và loại bỏ hoặc cắt phần còn lại. Photoshop cung cấp một công cụ tuyệt vời cho phép bạn nhanh chóng cắt các phần không mong muốn hình ảnh của bạn. Sử dụng công cụ này, bạn có thể thẳng cắt để sửa vấn đề đó như là một máy ảnh nghiêng. Phần này bàn về một số nguyên tắc chung mà giúp đỡ khi quyết định làm thế nào để cắt hình ảnh | Part I Getting Started with Adobe Photoshop CS5 Cropping and Straightening Images In addition to resizing images you may want to use only a portion of an image and discard or crop the rest. Photoshop provides a great tool that allows you to quickly crop out the unwanted parts of your image. Using the same tool you can straighten the cropping to fix problems such as a tilted camera. This section discusses some general guidelines that help when deciding how to crop images. You also learn how to use the Crop tool and the Trim utility included with Photoshop to crop and straighten images. Guidelines for cropping a photo Photography is really an art form. A photo that is well composed is interesting to look at leads the eye of the viewer to the subject and doesn t include any distracting elements. All these things can be improved by the right crop. Getting closer to your subject and cutting out background clutter are musts to a good crop but knowing a few basic photography rules such as the rule of thirds helps you to crop your photo to the best advantage. Get rid of background clutter A good reason to crop your photo is to get rid of distracting elements in the background. The subject should be the main focus of any image and anything else in the image should complement the subject lead your eye to the subject and contribute to the story being told about the subject. Too many objects distracting colors or any other background that draws the eye away from the subject should be cropped out of your photo if possible. Note Cropping is an obvious fix for a busy background but you have other ways to reduce the impact of a background that can t be cut out of a photo with the Crop tool. You can cut out your entire background using a Selection tool you can blur the background or you can convert the background to black and white. Preserving aspect ratio Before you pull out your Crop tool and start trimming away you need to know what you are planning to do with your photo. If you
