Project Overview

3D modeled a detailed replica of Gonnorhea Bacteria. The geometries are shaded in such a way that they are intended to mimic the "look" of images recorded by a scanning electron microscope.

Role

3D Modeler
3D Texture Artist
Coder

Software

Maya
Pixar Renderman

Reference Image

Basic Geometry - Visualizer Integrator

The spikes are created using basic cylinder shape. I modified and duplicated each one and placed them in different areas to make it look as realistic as the reference image. Another way to do this would be to use a script that place each geometry on vertices across the geometric shape.

Hypershade Network

Render with PXR Occlusion without Albedo

shader SEM_Edge

( color frontColor = color(0.1,0.1,0.1),

color edgeColor = color(1,1,1),

float strength = 6,

output color resultRGB = 0)

{

vector i = normalize(I);

vector n = normalize(N);

float d = 1 - fabs(dot(n, -i));

resultRGB = mix(frontColor, edgeColor, pow(d, strength));

}

Render of SEM_Edge and SEM_Direction without Color

shader SEM_DIRECTION(

vector direction = vector(0,1,0),

color facecolor = 1,

color rearcolor = 0.1,

float strength = 4,

string coordname = "world",

output color resultRGB = 0)

{ normal n = normalize(N);

vector vec = transform(coordname, direction);

float dp = clamp(dot(n,vec), 0, 1);

resultRGB = mix(rearcolor, facecolor, pow(dp, strength));

}

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