Saturday, June 14, 2014

Anna's Doll

Anna's doll
Anna designed and modeled the doll in this image. I modeled the environment and built the rendering, including lighting, textures and materials.

Due to the distressed nature of the architectural surfaces, my attention to detail needed to be more acute than usual. For such a task, photographic reference is useful as a reminder of how things decay.
In my studies, I noted that ...
  • More dirt will find its way into the concave edges of surfaces.
  • The convex edges of a surface are more worn from contact, making them smoother and shinier.
  • More staining and damage occurs near the bottom of a wall.
  • With age, the gaps between wall and floor expand and become jagged. Sometimes these gaps are filled with sealant, usually in a sloppy manner.
It was an interesting though tedious study. I wasn't super meticulous with the detail. I just tried to create enough so that the fakery isn't too obvious.

composite, before & after
For a multipass composite, a 2D rendering from a 3D program is separated into multiple images, then recombined in a 2D program. This provides greater control over the image quality, and results in better volume and spatial depth, and a more precise implementation of simulated lens effects: i.e, more realism.

render passes
 This is my first complex composite in Nuke. My previous Nuke composites just used a motion vector pass and reflection pass. This doll composite uses 10 passes: direct light, ambient light, specular, reflection, refraction, shadows, occlusion, subsurface scattering, z-depth, and masks.

Nuke node graph for doll composite

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