Tham khảo tài liệu 'professional information technology-programming book part 41', công nghệ thông tin, kỹ thuật lập trình phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | to the new car so that we d be shooting it from the same distance and angle and at approximately the same time of day. The end result was so believable that the agency simply paid for the finished product and ran the ads pretty much as they were shot and processed. We also ended up getting several other assignments from the same agency for fashion shoots in which the desired location was too remote to make it affordable to send an entire crew and group of models there. If you simply can t do all that at least you can do some perspective matching by using either one of two Photoshop toolsFree Transform and Lens Correction filter. You can also match the perspective of flat or nearly flat objects such as floor tiles mirrors pictures or grass by using the Vanishing Point filter. . Matching perspective with Free Transform The Free Transform command Cmd Ctrl-T is the easy way to give perspective to a flat object on a layer. I find it especially useful for playing a very simple trick simulating a seamless background when there was no studio handy. The photograph of Kashi Stone modeling one of her famous outfits was photographed outdoors on a grassy Marin County hillside. Later we did a series of shoots on white backdrops but Kashi was too busy sewing and fitting models to take part. So I used the Extract filter to knock her out. Then I did the following 1. Created a new empty layer beneath the Knockout layer. 2. Made a rectangular selection and feathered it by 70 pixels so that it would gradiate from white to gray to white. I filled the rectangle with light gray then dragged the selection to the next position making sure the New Selection Icon was selected in the Options bar with the Rectangular Selection tool and filled it again until I had what looked like a striped background or curtain see Figure 9-21 . Figure 9-21. You can see how the selection rectangle feathers and how the Transform marquee takes it into account. A variation on this technique could also be .
