Post Processing a 3D render

After 14 hours of rendering on a quad core qx 6700,show the variations in different areas of the picture.
I made two ambient occlusion and z-depth passes.You can see highlight colors change throughout the
The ambient occlusion passes had different radiusimage.
values and were merged into the image usingI also created an alpha channel, and selected the
Photoshop multiply layers.white parts of the image using a color range
The first z-depth pass was created to make a smallselection). To get a film effect I applied a Gaussian
DOF in the foreground. Then it was used as ablur (glow effect) and "hard" chromatic aberrations.
Photoshop filter. The second z-depth pass wasThis effect can clearly be seen in the letters in the
created to make the fog effect. I then applied alower left area of the final image. I added color to
Photoshop hue and saturation adjustment layer andthe glow with a colorize hue tool to give the glow a
moved the lightness value to 10 and applied the"yellow" sun effect on the bright areas and on other
depth picture to the layer channel.areas to get vivid colors in the highlights.
This is an easy way to create a fog effect toI added people with slight color correction and blur
provide depth. A fifth pass was made for the letterseffect to a few of them. I did this using common
so that I could have a selection channel to adjust thecommands with a Wacom tablet. Finally I flattened
letters in post production. You can see letters areand applied a sharpen mask effect, added a few
more noticeable in the final picture than in the originalmore color aberration and a vignette (lens distortion
render. Several color correction adjustments werefilter).
made as adjustments layers using masks to hide and