Rendering: 
1. Create a new document with a width of 1024 pixels, a height of 268 pixels, 72DPI, and a color mode of RGB color.
The image displayed by the monitor is calculated in pixels. This specification means that the monitor's horizontal display pixels are 1024 pixels and the vertical display pixels are 768 pixels. This forms a plane, which is the total number of pixels on the desktop you see. It consists of 1024*768=786432 points.
Rendering: 
2. Set the foreground color to #15181c color
RGB stands for red, green and blue respectively, which are superimposed colors, often called additive colors. They are mostly used in lighting, televisions and computer monitors. Displays produce color by emitting light from red, green and blue phosphors. In RBG mode, each RGB component is available with values from 0 (black) to 255 (white). When all three component values are equal, a shade of gray is produced. When all components have a value of 255, the result is pure white; when the value is 0, the result is pure black
Rendering: 
3. Create a new layer and name it: Clouds
Rendering: 
4. Execute Filter - Render - Clouds, add a layer mask to the cloud layer, set the foreground color to black, select "Soft Angle Brush". In this example, use the [ and ] keys to continuously change the size of the pen tip. Apply on the layer to get a part of the cloud pattern that is blocked by the mask. The effect is displayed as a large area of background color in the upper left part of the screen.
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5. Open Adobe Illustrator CS2, use the text tool, enter the English Enter, and execute the Effect-3D-Extrusion and Bevel command. The parameters are as shown in the figure below.
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6. Export the effect file to a PNG format file. This file format has a transparent background, making it easy to obtain the pattern of the text itself.
Drag and drop the PNG file into the design document of Photoshop. The pattern will be automatically placed as a new layer. Adjust the position of the text pattern.
Rendering: 
7. Select the cloud layer and execute the Filter - Distort - Rotate and Distort command, set the angle to 176 degrees, the effect is as shown in the picture below left
Rendering: 
8. Execute Image - Mode - Index Color, the system will pop up the prompt box of "Merging Layers", click the OK button, all layers will be merged into background layers and continue to execute Image - Mode - Color Table Options
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9. The color table option pops up. The color table defaults to grayscale. Select "Blackbody" in the drop-down list.
Rendering: 