Computer-generated imagery (CGI)

1 August 2025 | 1 August 2025 | 1 min |

Computer-generated imagery (CGI) or 3D refers to any graphic representation created using computers. Thanks to advanced software, these images are generated and manipulated within a three-dimensional space, allowing for incredible depth, realism, and detail that were unimaginable with traditional drawing and painting techniques. CGI has revolutionized many fields, notably cinema, television, video games, architecture, and advertising, offering entirely new creative possibilities and visual perspectives.

Principles of 3D Computer-Generated Imagery

  • Modeling: The process of creating shapes and structures of objects within a 3D environment.
  • Texturing: Applying detailed surfaces to 3D models to give them a more realistic appearance.
  • Lighting: Simulating light sources to enhance depth, shadows, and atmosphere.
  • Rendering: The final calculation of the 3D image, combining models, textures, and lighting to create the finished image.

Impact of CGI

3D computer-generated imagery has transformed the way we visualize and interact with digital content. In cinema, it enables the creation of fantastic worlds and breathtaking special effects. In the video game industry, it offers immersive environments and detailed characters that enhance the player’s experience. In architecture, it helps visualize projects in their context long before actual construction, facilitating planning and idea communication.

Conclusion

CGI or 3D imagery is a powerful technology that continues to push the boundaries of creativity and innovation. It allows creators to transcend the constraints of the physical world, opening up a universe of unprecedented possibilities for visual exploration. As technology advances, the future of CGI promises even more spectacular and realistic achievements, continuously redefining how we design and consume visual content.

Jérémy Carlo is the editorial director at Rétines, where he ensures the consistency and clarity of all content produced by the studio.

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