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Date Added: 18th December 2013

GV Prashanth has spent time as a CG generalist, specializing and learning different aspects of modeling and texturing. He currently works as a lighting/environment TD at Rhythm and Hues studios in India.



This was a render I created in my spare time after work. I wanted to learn the art of rendering photoreal characters using V-Ray in Maya. I also wanted to study a particular style of side lighting for this render.

Starting out

When it comes to the workflow, I like to make things simple and clean, and at the same time make some good quality artwork. I also like to take up scenes with a fewer number of characters or objects and try to make them look as realistic as possible. I used linear workflow of lighting and rendering in this procedure.

Looking for references is the most important thing I do before starting off any artwork. It helps an artist plan out the workflow and leads him towards a particular direction to get the artwork done. I had to look for a lot of references for older skin, such as photographs of wrinkles and pores. Also from the lighting point of view, I studied how different skins react to the rim and side lights, since the rim and side style of lighting is what I was using in this render.

So first, I started with a low poly T-pose base mesh of a human model and started blocking the shape of the old man and started posing it. Once it was done, I started adding fine details to the skin ? a lot of wrinkles and pores. Since he was an old man I made him look skinny and made the neck a little bent. Once the modeling was done I used UV unwrap inside ZBrush to unwrap the character. The hat was modeled using Maya.

Modeling in ZBrush
Setting up the shot in Maya

Texturing and shading

Once the modeling and sculpting was done, I added detail for the wrinkles and pores ? a lot of spots and tan were also added to distinguish the older skin from the younger skin. Dirt was added at the synapses of the wrinkles, and at the corners and contact regions of the nails to the fingers. Tiny beard hairs and eyebrows were added for a little bit of realism. V-Ray Fur was used for this.

The textures were all hand-painted. I initially tried to use projected textures but later ended up using hand-painted textures only. Once the Diffuse map was created, I created the Specular map out of it using Photoshop. I used 8k Maps inside ZBrush to paint out the textures. V-Ray skin shader was added to get realism in the skin. Different maps of subsurface layers were created from the Diffuse maps. Hat textures were created by projecting multiple wood textures on to it.

Various maps used texturing my model
Skin shading parameters used in Smoked


Lighting being one of the key aspects to realism, I wanted to place the scene in a calm and a lonely environment. I decided the key light would be more like a side light, giving it the highest intensity. Along with that, I added a couple of fill lights and rim lights to fill some areas, and get the details on the important parts of the skin.

Since this scene depicts a very lonely old guy lost in his own world, I tried to keep the colors in the scene to a particular tone, and at the same time keep it muted.

I used V-Ray lights along with V-Ray Dome lights for this particular scene. I used a HDRI of an interior scene to kind of replicate the initial setup of indoor lighting. A couple of lights were used to get a proper side lit feel to it, and at the same time give enough reflection on the skin. In CG, what gives additional shape or life to the character is the extra reflection component on it. Initially this scene had a lot of light bounces from different parts of the dome light, so I had to use a couple of light blockers to block most of the unwanted light falling on the character and to get a graduated shadow from the bottom by placing planes and switching off their primary visibility. Once the entire setup was done in the preview render, the settings were bumped up to a higher quality for the final render.

The lighting setup using V-Ray lights
The light blockers used to control the lighting

continued on next page >

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Readers Comments (Newest on Top)
JohnMclame on Mon, 23 December 2013 5:10pm
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