tailieunhanh - Enhancing CAD Drawings with Photoshop phần 7

Bucket công cụ để điền vào hai bồn với màu đen. Áp dụng một hiệu ứng Gradient Overlay. Trong hộp thoại Layer Style, kiểm tra Reverse, chọn phong cách thể hiện (về cơ bản hai gradient tuyến tính phản ánh ở giữa), quy mô thiết lập đến 150%, và nhấn OK. Hình 5,42 cho thấy các gradient bạn áp dụng cho tủ lạnh và bồn rửa. | faking reflection and refraction 213 10. Create a new layer called Intensity. Select the Magic Wand tool click the Add To Selection button on the Options bar. Click inside each of the three windows to create a selection. Convert the selection to a mask by clicking the Add Layer Mask button in the Layers palette. Click the Intensity layer thumbnail to select it. 11. Select the Brush tool in the toolbox and build up a lighting intensity by painting in grayscale. There is really no right way to do this feel free to make brush strokes however you see fit the point is to create variation on the glass surface but here is what I did I choose a 250-pixel soft brush and used the square bracket keys to change sizes and hardness. I changed the foreground color to dark gray HSB values of 0 0 25 . I painted a few diagonal brush strokes across the windows. I changed the foreground color to light gray HSB values of 0 0 75 . I painted a few more brush strokes across the windows obscuring all the blue areas see Figure . At this point you could leave the windows as they are for an abstract look. For more realism however you ll paste a photograph of the sky into the window area in step 14. Before this you will need to recall the window selection from the Intensity layer mask. 12. Select the Intensity layer mask thumbnail by clicking it in the Layers palette. Right-click this mask to open the context menu shown in Figure and select Add Layer Mask To Selection. The marching ants appear in the window boundaries. FIGURE Painting lighting intensity 214 chapter 6 elevating the elevation Figure Recalling a selection from a mask 13. Open the file from the companion CD. Press Ctrl A and then Ctrl C to select all and copy to the Clipboard. Close without saving. 14. Choose Edit Paste Into a new layer appears with a mask in the shape of the selection. In the Layers palette rename this new layer Clouds. Press V to select the Move tool and drag the clouds around