Wednesday, October 20, 2010

Synthesis of light effects Photoshop



In addition to adjusting color, brightness, what ways to make an ordinary picture quality better? You do not have a better idea of the time, maybe you can try the following approach.

Sometimes, a common image with lighting effects, then the resulting transformation is amazing. Proper lighting effects, the details of the image will become more prominent, and has a photo feature. If you heard of the famous Auto FX company produces the filter Mystical Lighting, you can understand the thrust of this article today. Auto FX filters are produced each called a boutique! If you like the effect of those wonderful images, you may Auto FX's crazy love those products. But this Mystical Lighting filter, ah, say? The only regret is that - on the Chinese market, especially the individual user, not a small number of 179 U.S. dollars. Therefore, more funds can be allocated to this project, we need to use their brains to see if there is no way to achieve similar results. In the example below, we will add lighting effects in the image, the image of the main features appear to come in through the window in the same light. As shown.



Final renderings

We are the main process is divided into three parts:

1. To create custom shapes;
2. To create the necessary replacement plan;
3. Late modification effect.

Part I: Create Custom Shapes

If you frequently use Photoshop's path tool, then the shape of the custom must be familiar with. Both beginners and veteran of the custom shape is to save time and reduce errors in effective ways. Especially for people who do not use the path. To know the path is not as simple as you seem, as long as a node with a pen out of a node on the line description. This is only the most basic usage of the path can be studied or causing!

In this example, we want to create a simple window shape.

1. Create a new document, select the vector rectangle tool options in the tools "to create a new working path." Upper left corner of the canvas to draw a small rectangular path.

2. Select the path component selection tool, click on the rectangular path, hold down the Alt key, copy the seven horizontal (you may need to be based on their own). Will be one of the move to the upper right corner of the canvas, then this rectangle with eight options in the arrangement and distribution of bar, select "Align top" and "intermediate level of distribution", so that the interval of eight rectangular is completely different. (Figure 01)



Figure 01

3. To maintain the eight rectangle selected, press Shift + Alt while, then click the down arrow keys, so it was down eight rectangular copied from the row of rectangular 10 pixels, Shift to ensure replication the vertical direction. Then, release the Alt key, and still hold down the Shift key, and continue down arrow keys until the distance between two rows of rectangular right. Under this method, continue to replicate until the path of all the rectangular shapes. (Figure 02)



Figure 02

4. Select Edit> define custom shape, in the pop-up dialog box, name the new shape. Select custom shape tool in the shape of the drop-down menu, you should see the shape we have just defined. (Figure 03)



Figure 03

Here, the path you draw the shape determines the shape of the back window, you can design a variety of shapes, such as shutters.

Part II: production of replacement plan

What is the replacement plan? Distortion filter in Photoshop has a called "replacement" of the filter, replacement plan is to act on this filter. Replacement filter replacement plan under the circumstances to determine the image distortion. Here we give a simple example to demonstrate the role of replacement filters. Figure 04 is a replacement map image, the background filled with 50% gray, the two above each gradient. Figure 05a is not applied when the image replacement, Figure 05b is applied after the image replacement. Can be seen, gray value of 128 places no replacement, but lower than 128, the image downward bending, higher than 128, then the upward bend. Replacement filters can make your images to achieve more natural distortion effects. But before the application, we must first prepare replacement plans. (Figure 04,05 a, 05b)



Figure 04



Figure 05a




[Next]





Figure 05b

Any image can be used as a replacement map. Because the replacement filter is based on replacement value chart to determine the pixel brightness distortion. Replacement plan to photograph as the biggest problem is that all the details of the plan could lead to unpredictable distortions, such as some small texture. So we have to keep the image, while the main content of the elimination of too many details as possible. The easiest way is to apply to your image Gaussian blur with a radius of about 2.5 pixels can be. This image is already available for most, but you can also use the Dodge and burn tool for further processing of your images, where it is needed to make some better contrast.

Back to our example, you can use this image itself is a little processing as a replacement plan to use. Method is applied to it a Gaussian blur radius to 2, then use the Save As command, save it as a PSD format, with an intuitive name to name, such as the displacement map. (Figure 06)



Figure 06

Part III: effects of late modification

1. Open your original image, select the custom shape tool, to find we have just defined the shape of the window. In the tool options, select the "Create a new shape layer" will foreground color set to white, and then drag the image in the required shape. (Figure 07)



Figure 07

2. In the Edit command, select Transform Path> distortion, drag the control points, will distort the shape layer. (Figure 08)



Figure 08

3. Select Filter> distort> replacement, the replacement of the former, Photoshop will warn you to be raster layer, click "Yes" after the pop-up dialog replacement. Proportional control in which the horizontal and vertical extent of the distortion, we shall set to 30% in the case of the image the same size, stretch to fit and the collage effect is the same, undefined by default regional settings "Repeat Edge Pixels" (Figure 09). This image was distorted. (Figure 10)



Figure 09



Figure 10

4. Now, select the Gaussian blur filter, slightly fuzzy look, probably set to 1.2 pixel radius around the mixed layer to overlay, the effect of light will appear. (Figure 11)



Figure 11

5. If you feel weak lighting effects, you can use layer styles to enhance. Select Gradient Overlay style, set the gradient of the mixed-mode stack, set the gradient from white to black, it would be the light fade from front to back. If you want some of the light intensity on the set of a large opacity, contrast, opacity should be set smaller. (Figure 12)



Figure 12

In this way, you can simulate a variety of shapes from the windows revealed a light, and the following diagram, is the blind imitation effect. (Figure 13)



Figure 13







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