Toy Story (1995), produced by Pixar Animation Studios and released by Walt Disney Pictures, was a revolutionary film for several reasons. It was the first full-length feature film that was completely computer-generated, and set a precedent for the animation techniques and technologies still in use today. The film utilized a number of groundbreaking techniques and technologies, some of which are outlined below. 1. **CGI Animation**: The film is entirely made with Computer-Generated Imagery (CGI). It was the first time a feature length film was completely animated this way. The characters, props, sets - everything was created in a computer, making this film a significant milestone in animation history. 2. **3D Modeling**: Pixar employed advanced three-dimensional modeling to create characters and environments. This was an upgrade from the traditional 2D animation, supporting more realism, enhanced depth, and a more immersive viewer experience. 3. **RenderMan**: This proprietary rendering software developed by Pixar itself was crucial to the creation of Toy Story. RenderMan allowed for the rendering of complex three-dimensional graphics with incredible detail and quality. This software is still used today in many computer-animated films. 4. **Animation Software Customization**: Pixar customized its animation software extensively to meet the needs of Toy Story. For instance, shaders were written for the rendering pipeline to simulate various materials. 5. **Digital Storyboarding**: Toy Story was one of the first movies to employ digital storyboarding, a significant improvement over traditional methods. This allowed for quick adjustments and revisions, speeding up the production process and increasing efficiency. 6. **Emotion-driven Animation**: Equally important were the storytelling techniques Pixar used. They animated inanimate objects and not only gave them movement, but personality and emotion. This character-driven animation style was revolutionary and helped the audience connect with the characters on a deeper level. In conclusion, Toy Story was revolutionary not only in the technical aspect—introducing and innovating techniques of CGI, 3D modeling, and rendering, but also in the narrative aspect, conveying compelling stories with inanimate objects. It laid the foundation for the further development of animation technology and methodologies, influencing generations of animation films that followed.