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The Making of Fatal Attraction

By Fescher Neoilustração
Web: Open Site
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Date Added: 19th December 2013
Software used:
3ds Max, Blender, V-Ray, ZBrush
1823_tid_image-_15_.jpg

Digital artist, Fescher Neoilustração uses his 18 years' worth of experience to take us through the creation of his studio's ad campaign image, Fatal Attraction.


Introduction

BASF – The Chemical Company has developed a new product for pest control and we were contacted through ad agency e21. Our challenge was to develop an image that could in no way elicit a sympathetic response for a group of rats, while trying to avoid showing any aggressiveness through the ad. Easy task, right? We came up with the solution by showing the rats mesmerized by the client's product, while working with the agency's input during the development of the traits of each rat, aiming for the right balance between funny and repulsive.

The whole Fatal Attraction illustration took us almost 2 months. An intelligent team co-ordination is vital to keep track of all the parallel workflows we deal with on a daily basis. Any mistake could set us back a few days and the last thing we want is to compromise our reputation of beating all our deadlines while keeping a high quality.

"The concept phase shouldn't be overlooked, since any mis-steps here will show up in the next ones"


The image concept

We wanted each rat to have its own personality, including fur and eye color, to avoid any kind of image staleness. At the studio we have a Cartoon Department that was fundamental in developing the gestures and actions of each character. The concept phase shouldn't be overlooked, since any mis-steps here will show up in the next ones, just like all the modeling and shading work won't cover up for any weak ideas during the early image planning stage.

There was a need for laborious research due to the realistic effect we were trying to achieve. Besides a thorough study of rodent anatomy including tails, skin, eyes, teeth and nails, we needed a convincing environment. A quick walk around the block with a camera in hand can be very surprising, and creating your own textures very rewarding for the complete control it brings to the image planning stage. An ever-expanding reliable texture library can never be a bad thing, too.

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The 2D sketched concept for Fatal Attraction

Modeling in Blender

The rats and sewer were modeled in Blender 2.49 with a few touch-ups in ZBrush 4 for hands and eyelid wrinkles. The bricks that appear where the wall has fallen were made from the photos taken in the previous step. Once we edited the texture, we used it to create the 3D bricks by displacing them from a mapped plane in 3ds Max.

No camera on earth could recreate the forced perspective effect we wanted for the image, so the whole sewer was modeled in straight planes. We then used a Lattice Modifier to distort the whole scenario at once, with the benefit that all mapped textures would be following the same distortion, creating a coherent image.

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Using straight planes with a Lattice Modifier to create the distorted perspective

Creating the fur

Despite all the hard work that goes into every detail of the illustration, the fur was essential to sell the believability of the image, so we took it with special care.

In addition to creating a height map texture that would be generated in 3ds Max, we modeled small planes (to be later converted into Splines) that would dictate the flow and direction of the hairs. It's important to have in mind a hierarchy of Splines: the fur that will be generated later will take into account the order in which the Splines were created and the direction of the extrusion from the original vertices. We were also careful to model the rats with an even topology, so that the fur generated from their bodies' vertices ended uniformly.

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Creating a hierarchy of Splines to generate the fur

"The order of the Splines affected the direction of the fur, so extra care was taken to make it as close as possible to the concept of the image"


Hair generation

We used the native Hair & Fur plug-in for this part. The hair orientation was done after careful placement of geometry (planes) that had their edges extracted and converted into Splines. The order of the Splines affected the direction of the fur, so extra care was taken to make it as close as possible to the concept of the image. With some test renders we were able to correct and further adjust the hair orientation and size through the Splines.

In order to distinguish one rat from another we used a different configuration in each fur and some specific body parts, such as head, eyebrows and cheeks in a different geometry to allow for better control. Hair Styling was used when a specific adjustment was needed.

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Using different fur configurations for each rat

Lighting I

The lighting was a bit tricky; we wanted to make a dark, damp environment that contrasted with the brightly lit street outside, while at the same time lighting the rats from below in an ethereal way. We first lit the environment and then the rats. To do that, we started to place V-Ray lights to simulate the light from the sun and sky while at the same time trying to make the image's details readable.

A small light was placed to simulate the warm rays of the sun, to make the shadows a bit sharper, and the blue sky light was achieved through a combination of a Dome light from outside and 2 V-Ray light planes to simulate scatter inside the sewer. We then added the rats and foreground pipes to see how everything was coming together and noticed that some parts were too dark and not noticeable. A third V-Ray light plane was then created to better simulate the sky light on the rats and make their silhouettes stand before the background.

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Placing light to create the right atmosphere

Lighting II

A counter light was also placed on the ground level pointed upwards, to simulate the light bouncing and make some details in the pipes a bit clearer. Two lights were also created to better illuminate the foreground pipes. Every light had shadows except the counter light. In regards to the light coming from below the rats, three small V-Ray light planes were created and placed to make both the left, middle and right main rats stand equally and have proper specular reflections. To achieve the ethereal feel we wanted, all three didn't cast shadows.

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The counter light pointing upwards and two foreground lights made the pipes clearer

Texturing the background

After setting the lighting, the background materials were detailed. We wanted to convey a wet, dirty environment. Since it was very dark and we wanted to show some details, every material had a slight reflection, even the concrete and bricks. In order to have more control over them, they had Fresnel activated in the reflections; and most had high IORs.

The wet walls had water running down in some spots, so in order to make that effect visible, the materials were very reflective and had a black-and-white texture applied to the Reflection Glossiness slot. We also rendered some high reflections for the foreground pipes, to later edit them in the areas that we wanted.

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The wet walls had high reflection and a black-and-white texture in the Reflection Glossiness slot

"The textures on the hands, ears and noses were tailor made for each model, so no dirty pattern would be recognizable"


SSS textures

For the skin, we decided to apply an SSS material with 2 layers of textures: one sub-dermal, with veins and hints of bones, and a top layer with a lot of dirt and scratches. This was particularly important to get the final aspect of dirty and slimy skin. This couldn't feel too plastic or it wouldn't be icky enough. The textures on the hands, ears and noses were tailor made for each model, so no dirty pattern would be recognizable.

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Creating the most appropriate skin textures

SSS skin parameters I

An essential part while considering SSS is scene units: in our scene, the main rats had approximately 6 inches. We did some skin materials with slightly different settings for the following parts: bodies, hands, ears, tongues, tails and noses. A very important aspect of these materials was the scatter radius setting. For the parts where the SSS effect needed to be more apparent (such as ears and hands) a bigger radius was chosen (4cm and 3cm, respectively). The bodies had a lower radius (0,5cm), for a more subtle effect.

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Scatter radius setting for the ears

 
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