3D Environment MasterClass VOL. 3 | DETAIL is Photorealism
pwnisher・2 minutes read
The speaker is currently working on rendering a two-part project, with the first part done and the second part, involving a sewer system, in progress. They highlight the need for more work and encourage viewers to join Discord for updates and submit their final work once, offering advice on render times and options like render farms.
Insights
- Participants in the CG Live Livestream's Alternate Reality CG Challenge focus on replacing characters and environments in animation without altering camera angles or character positions.
- The host, engaged in creating a sewer system texture for the challenge, spent over 12 hours processing outdoor images in Photoshop to achieve reflective and rough areas.
- Detailed instructions on creating custom textures in Photoshop and Cinema 4D, including generating normal maps, adjusting specular and roughness channels, and optimizing texture usage in Octane render, are shared.
- The individual leading the livestream emphasizes the importance of creating a detailed, dirty environment with elements like mud, foliage, garbage, shrubs, and plants, providing insights on distribution techniques using Octane Scatter and creating realistic textures through careful adjustments and experimentation.
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Recent questions
How are custom textures created?
Custom textures are created by merging images in Photoshop using the automate photo merge option. Images taken on an iPhone are edited in Lightroom to ensure straight lines for proper merging. A normal map is generated in Photoshop using the filter 3D generate normal map option, with details on adjusting settings for desired effects. Tips for creating specular and roughness channels in Cinema 4D are shared, along with suggestions for optimizing texture usage in Octane render by efficiently using black and white textures.
What elements enhance a sewer scene?
To enhance a sewer scene, consider adding pipes, tunnels, and visual contrasts like robots or cars. Use topography to create gutter-like polygons for corner details, adding textures like mud and rubble for a slimy, wet appearance. Experiment with different textures and displacement settings to achieve a realistic, gritty look in the corners. Incorporate subtle displacement effects to create small, realistic bumps in the ground texture. Adding plants and shrubs down the middle of the scene can mimic real-life environments and enhance the overall look.
How are shrubs and plants distributed?
Shrubs and plants are distributed using Octane Scatter, with settings like 100 count on the corner surface and a random effector for natural rotation. Adjust scale and rotation for varied appearances, experimenting with seed values for random distribution. Troubleshoot Octane issues during the rendering process, organizing elements into folders for better management. Consider using the Mega Scans library for shrubs and bushes, or Forester for ease, scattering plants on edges and middle using planes as surfaces for distribution.
What is the process for creating a tunnel system?
The process for creating a tunnel system involves utilizing bend modifiers and geometry adjustments in Cinema 4D for the desired effect. Consider enlarging the tunnel by cutting holes in the ceiling for more light and transitioning to a dark pit for a terrifying effect. Experiment with lighting using software like Octane for a natural look, referencing movies like "Stalker" for inspiration on light shafts. Adjust the tunnel's size, floor, walls, and ceiling, adding shrubs and graffiti for detail, and incorporating leakage elements like concrete leakage and graffiti for realism.
How are tops and trash elements scattered?
Tops and trash elements are scattered using random modifiers for orientation and positioning, ensuring they are not overdone and randomly placed on the floor. Create a custom scatter for the tops, utilizing the trash scatter and rock scatter appropriately. Implement a new random effector for orientation, adjusting it for each top. Scatter rocks and trash elements strategically, orienting them properly for a realistic look, and utilize the scatter tool to distribute trash elements on the ground surface for a cluttered effect.
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