“The secrets of Swimsuit babe ” by CGriders
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For the swimsuit, the third party shader p_MegaTK is used. (Refer to section 6.3 for download URL.) It is an extremely slow shader when it involves indirect illumination and refraction. Most of the render time was actually consumed by this shader.
The fog is a 3D containter of fluid effect. The floor is a reflective car paint phenomenon. The background is an anisotrophic shader with some noise in the incandescence channel and is in a separate scene file with different lighting.
4.3 Compositing
There’re basically two elements: the character and the set. The former requires a beauty pass, specular, reflection, hair, eyelashes and lips reflection. The latter requires background, floor and fog. Separate alpha passes for the character, eyes and swimsuit are also required. The node network is shown below.
Fig. 4.3.1 Node view in Shake
How the character is comp’ed is trivial except for the eyes and legs where the fog is in front. The eyes’ alpha does not work as a mask. It is to multiply the beauty pass. In this case, a light outline would appear below the eyes. It looks like the reflection along the lower eyelid. This fake works well because the image resolution (1500 x 1000) is not too high to reveal details.
The fog needs special treatment because part of it is in front of the feet and there’s some DOF (depth of field) effect. It requires two fog passes: one includes the character and the other does not. The former pass is used to obtain the fog in front of the feet and it would be put over the character. The DOF effect is faked with a ramp and an IBlur node on the latter pass which is then put under the former.
4.4 Command Line Rendering
The batch file used in command line rendering is shown in the following figure:
Fig. 4.4.1 Batch file for command line rendering
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