Tuesday, October 12, 2010

Summer cold! Photoshop to add some ice cup

Speaking of ice, many people think of the famous "studio's story," a book first proposed method of making. Towards the use of a lot of ice texture distortion filter. This chapter will reflect on this approach.

路 Photoshop's distortion filters will have to repeat most of the texture, the texture is not conducive to the performance of a random nature.

* One step too many parameters difficult to remember, is not easy to duplicate to achieve, but difficult to control the process.

This example will provide you explain a new method of ice formation. We follow such an idea:

Shape -> texture basis -> Texture Generation -> mixed environment -> Color Adjustment

Slowly in place, to understand the thinking of these steps also need to remember cumbersome step? No, you just follow this way of thinking, could easily own "create" their own practice ice. Do not believe me? Consider the following examples explain.

The net effect of the original material image map

(A), open source map

1, open a glass source map. Ordinary glass, was inside boiled water, it is not enough atmosphere. Ready for it with ice and marked it with mood lighting. Source image as follows:

(B), shaping the ice shape, texture based on the establishment of

2, create a new layer, note that layer is blank, fully transparent. Open menu command, Filter Filter -> Render Rendering -> 3D Transform 3D transformation. As shown.

3, 3D Transform dialog box will appear. Select Cube tool cube tool, pull out a cube. We made a cube-shaped ice cubes.

4, one may ask, transparent layer to do 3D transformation how to have effect? Please select the Trackball tool to track the ball, let's turn this virtual cube. Turned 180 degrees as shown below, you will find other three sides of this cube is a "practical".

5, carefully adjust the cube position, there is a white screen, the brightness of light changes with the cube. This is the prototype of ice. As shown below. We need basic shape is the ice cube. If you need other forms of ice, a more troublesome way, is hand-painted.

6, to determine after the emergence of white canvas cube. The cube is a shade of light change. However, here to note that these changes in light and shade for us, is not a little useful. We need only the framework of the cube only. Press W key to select magic wand tool, select one of the bright side, as shown below:

7, are selected area, press G the gradient tool, pulled from a black to white gradient, white at the top, black otherwise. We have established a relationship between light and dark on one side. We must continue to choose other side. Press CTRL + SHIFT + I anti-selection, as follows:

8, select W, magic wand tool, press ALT + SHIFT, switch to "constituency intersection" status, click the bottom left of the gray screen surface. This was the bottom left gray area. Similarly, switch to the G, gradient tool, pull out the black and white gradient, its dark corner with a bright face on the black neighbor. As shown:

9, on the one hand, he also followed suit and left with a gradient tool pulled out a black on white area under the gradient. The following diagram:

10, the shape of ice can not so formal, right? We need to square this side of the cube is twisted about. Using the distorted class filter it? - No, that kind of distortion is repetitive, mechanized, and difficult to control. We need more human tools, Liquify tool liquefaction. Photoshop7 the Liquify liquefied very powerful tool, similar to previously seen for a KPTGoo. Filter Filter -> Liquify liquefaction, liquefied dialog box opens.

11, using the first tool, Wrap tool package tool, select the appropriate brush size, the inner edge of the face look distorted, but also to do the right amount of distortion of frame, but smaller degree. Figure:

12, determined, has become the box on the screen is not orderly. But the ice will melt in the water, not too many obvious edges and corners. To do this, we copy the prototype of a layer of ice, and press CTRL + mouse click on the layer loading layer constituency. As follows:

13, select Filter Filter -> Blur fuzzy -> Guassian Blur Gaussian blur filter, the parameter is likely to be, as long as the border is not clearly like to see. Figure:

14, then press CTRL + E to determine the merger prototype. Figure:

15, according to B select brush tool, and click on the Option Bar property on Brush Brush options bar, select an appropriate size brush with soft edges, the opacity to adjust Opacity to about 50%. As follows:

16, let us free to draw in the ice a few prototypes. The brush marks will affect the undulations of the ice surface, we try to make them appear natural, and can in and around the fusion. If necessary, you can use Guassian Blur Gaussian blur tool to make their integration more easier. Thus, this second step is completed, we successfully modeled the shape of ice, and ice initially customized based on the texture. Figure:

(C), the most critical step: generating the texture of ice

17, maybe you'll laugh, this is what ice ah, the whole group of a soft plastic. Do not rush, as the 3D model of the software we need to make delicate, like Bump mapping, the previous step is to generate the texture for the "Bump mapping." Bump maps do a good job, we can generate a unique texture pattern of ice. Please note that we have the following process will be used to generate only a filter: Filter Filter -> Sketch Sketch -> Chrome Luo yellow filter. Prototype of the constituency included ice, limiting filter application (this is important, you can try the case without a marquee to see what happens?), Open the filter dialog box Huang Luo, parameter is likely to be, you can observe the screen until you are satisfied. Figure:

18, applied filters, the screen appeared a unique reflection of the ice texture. The most critical step is here, with Chrome Luo Huang filter to change the basis of gray scale texture, the reflection pattern of ice formation.

19, ice edges seems too acute. Using the menu command: Select Select -> Modify Adjustment -> Smooth smooth, so smooth layer constituency become. Parameter probably about 5px. As follows:

20, constituencies smooth, the anti-selection, then press DEL to delete sharp. Press CTRL + D deselect. You should see the following:

21, see it? Texture of the ice is out, the shape is also very satisfactory. We copied a prototype ice layer, then hide the original layer as a backup. Select Copy good ice prototype layer, press CTRL + T, to adjust the size of the embryonic ice, as shown in Figure 21.

22, ice shape and texture is satisfactory, but the ice there is a very important feature is "transparent." There are many ways to produce transparent, such as "transparent object to the end." But here we do not need so much hassle, as long as the ice layer mixed into Luminosity (brightness) can be.


(D), the ice into the cup - a mixed environment

23, ice texture and light probably do a good job, but now seems, how have not dipped into the cup of water. To realistically simulate the physical, we must consider a good virtual object relationship with the surrounding environment, and then adjusted according to a certain approach to it. First of all, immersed in ice water, covered by water and out of the water will have some different lighting effects. Thus, we need a mask. Now let's consider the interface between water and Beibi part. Pen with Pen tool, carefully tick cup of water and some of the junction, its scope should be able to live in the ice covering the lower part. Shown in Figure 23:

24, press CTRL + ENTER, will pen the path into constituencies. Back to the source layer, press CTRL + J, copy the contents of the current constituency as a new layer and adjust the layer order so that it covers the top of the ice. The content and then you see the canvas layers panel should look like this:

25, the effect of ice on the water, which initially came out. Posted Beibi ice time will make water and cups of black border lines increased slightly, and this is why we have chosen in step 23 when the water black line to encompass purposes. We would like to adjust the black border line, where it in the ice to do a little touch Beibi bent upward. You probably already thought of, what tools we need, and yes, it is a powerful tool in liquid, Liquify. Open liquefaction tool dialog box, wrapped with a Wrap tool tool part of the black border line curved upward, as follows:

26, after the return to determine the layer panel. Immersed in ice water will not see the right thing, so we want to piece of copy out of the water making the adjustment. Add a mask is a good way, not destroy the original layer, a mistake can be repeated. As shown:

27, according to B select brush tool, click on the Option Bar Properties Brush Brush options bar, select the appropriate brush size and opacity. Parameters about the following diagram:

28, click on layer mask thumbnail is selected to determine mask. Apply with a brush in black.

29, smear smear technique is that some do not pay attention to the black painted border line (which will need to clear the screen, not transparent), while other parts of the corresponding multi-coating on a few, make sure the natural effect of the canvas. You see the results and the following nearly enough.

30, the border line of ice and Beibi well, but covered with water ice in the cup part of the internal do not make it. Check out the inside carefully with a pen covered with ice water, as shown below:

31, and do Beibi cover part of the same back to the underlying source map, press CTRL + ENTER, change the path for the constituency, and then press CTRL + J, to copy out of the water bottom. And adjust the layer's position, it covers the top of the ice. Figure 31:

32, similar to the delivery of water and cups of black lines, we need an exchange between water and ice lines. Switch to the Paths Path panel, click the Work Path has just drawn the working path, the path into the edit state.

33, edited by A select point tool, click on the path, there will be some control handle. Figure:

34, then we only need to closely aligns one side of the ice, not on this side of the selected point by DEL to delete, as shown in Figure 34.

35, chosen by B Brush Brush tool. In the Option Bar Properties box opens Brush brush parameters panel, select 3px brush.

36, Back Path panel, click Stroke Path with Brush (with brush strokes the path) button. Figure:

37, note the color of the boundary layers, is sandwiched up and down the two yellow black-brown look. Very simple, copy the two paths out of the up and down into the yellow, the middle one into dark brown. Then merge these three layers. Results are as follows:

38, also has to adjust the water boundary, converge with Beibi part. Add a mask is a good idea then modified. Switch to the additional mask, with the brush carefully adjusted. Figure 38:

39, note that the water inside the ice is covered with a certain transparency. Switch back to just copy out the internal water layer, the continuous press keypad 8 and 5, you can quickly change the opacity to 85% (of course, you can directly enter the layer panel, the same).

40, the effect is as follows. Ice has been immersed in water up.

(E), color adjustment - to create an atmosphere

41, the light of this general mood of how to meet the needs? Let us look at the screen to adjust the atmosphere. So many layers, if the merger were re-adjusted later to amend the details would be very troublesome. Adjustment layer is a very good tool. Not only on all layers below adjustment, it will not affect the top layer, also comes with a mask, if the corresponding operation on the mask to, but also control the adjustment range. Click the Layers panel below the Create New Fill and Adjustment Layer (the new fill and adjustment layers) button, and select the Curves adjustment curve type. Figure 41 shows:

42, adjusted as follows, the feeling is not very good? If this is not a glass of water, but the thick glass of white wine.

43, little ice bar, the same approach to make the other ice. If you took the trouble, they can re-do one. But want to save something with? Had to copy and paste the. As follows:

44, you're done, the final results graph:

How, our success, "fabricated" out of a cup of ice, and adjust the atmosphere of the whole picture. I believe it feels very good. Here we sum up experience and rethink the entire production process time.

The Art of War quote a word, is "to know ourselves, know yourself." What is it called a confidant? Photoshop can do is to understand the tool is dead, people are living. Photoshop engineer had written procedures, probably get an engine out, can image processing into a look, like on the basis of this effect for the processing of a name. In fact, its capacity, in different environmental conditions will be far more than the original settings. In this be a reminder not to memorize what is what effect the filter, but to understand it, can do. Such as ice in Chrome (Luo yellow) filter, originally only simulate the effect of a Luo-yellow, but the unique texture on the production of ice, with very good results. The prophet is to investigate more, think more, to understand changes in light and shadow in real life, in order to better simulate the physical effects.

Now let's just step back and look and think about the customization of these steps.

Ice is a three-dimensional, we must first think, three-dimensional box in the 3D Transform (3D deformation) tool which can do;

Ice is a unique light and shadow, we will use Gradient (gradient) tool;

Ice must have some ups and downs, for ease of control, we used the Liquify (liquid) tool;

Ice texture generation, to test different filter, Chrome the best;

Ice completed, to make ice completely transparent, you can use the transparent object to the end of the method, the bright ice and dark side to pull the plane out, and then in the ice within the application about the background distortion filter or Liquify, a natural effect of the refraction distortion; or, if less demanding on the background, use the Luminosity (brightness) or other mixed-model mixed layer, the specific application should be based on actual results, Luminosity is not necessarily the best;

Speculated that the water produced based on the actual changes, we have to simulate the effect of ice immersed in water;

Finally adjust the whole picture atmosphere transfer, and illustrations to complete.


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