Monday, July 26, 2010

Secret of Photoshop texture Posts (cave)


Earth, rock texture study (2) - Cave

Yes, today, and we say that the cave effect, must have been like a sightseeing tour of the friends of these caves, then how to use photoshop to simulate it? Let's give it a try!

1. Create a new 500x500 pixel document, the system color set to the default value.

2. Select the menu Filter-> Render-> Clouds.

3. Select the menu Filter-> Render-> Difference Clouds, in order to achieve sufficiently complex texture, where the need to repeatedly use the filters, I generally use 12 times, made the effects of such as Figure 1.



4. Select the menu Filter-> Stylize-> Wind, Method = Stagger, Direction = From the right.

5. Select the menu Filter-> Blur-> Gaussian Blur, value of 3.

6. Repeat step 4, to enhance the effect of vertical texture.

7. Select the menu Image-> Rotate Canvas-> 90 cw.

8. Select the menu Filter-> Blur-> Gaussian Blur, value is 0.8.



Figure 2

9. Select the menu Filter-> Render-> Lighting Effects, specific parameters shown in Figure 3.



10. Pressing the shortcut keys Ctrl + U into the Hue / Saturation adjustment of window, parameters: Hue = 133, Saturation = 15, Lightness = 0, select the Colorize item. Here is to give the rock a certain color.

11. Now look at the texture effects, the stone texture is still too smooth, adding a small value of the noise to increase its roughness, I've used about 5 values.

Next, the need for the establishment of texture depth of field, it can be said to create a key step in the real cave effect.

12. Press Q to enter fast-track mode, the gradient tool, drag up from the bottom picture about picture height 1 / 4 length, press Q to exit the mode, by constituency.

13. Select Filter-> Blur-> Gaussian Blur, values of 2.5, the background deep-complete.

14. Select the Lasso tool, the picture top free choice out of a texture, pay attention to the texture as much as possible in accordance with the stones to choose.

15. Pressing the shortcut keys Ctrl + Alt + D to open Feather option, select the value of 5.

16. Select Filter-> Blur-> Gaussian Blur, values of 2.5 and the prospects of deep completion.

Now, the real effect of cave texture display in front of everyone, and Figure 4.








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