CGI is a technique used to create realistic images in film by using computer-generated animation.

Stop-motion animation is a technique that uses physical objects to create animation, while CGI is a technique that uses computer-generated animation.

Tron was the first film to use CGI, which was used to create the film's computer-generated world.

Jurassic Park was known for its groundbreaking use of CGI, which was used to create the film's realistic dinosaurs.

Avatar won an Academy Award for Best Visual Effects for its groundbreaking use of CGI.

3D modeling is a common technique used to create CGI characters, which involves creating a three-dimensional model of the character using computer software.

Matte painting is a common technique used to create CGI environments, which involves painting a background image that is then composited with live-action footage.

Particle systems are a common technique used to create CGI effects, which involve simulating the behavior of particles such as smoke, fire, and water.

Maya is a common software used for creating CGI, which is a 3D modeling, animation, and rendering software.

.fbx is a common file format used for storing CGI data, which is a 3D file format that can be used to store 3D models, animations, and textures.

Keying is a common technique used to composite CGI with live-action footage, which involves isolating a specific color or range of colors from the live-action footage and replacing it with the CGI footage.

All of the above are common challenges associated with using CGI in film, as CGI can be expensive, time-consuming, and technically complex.

All of the above are common trends in the use of CGI in film, as CGI technology continues to improve and become more sophisticated.

All of the above are common criticisms of the use of CGI in film, as CGI can sometimes be distracting, take away from the story, and make the film look fake.

All of the above are common ways to address the challenges associated with using CGI in film, as careful planning, collaboration, and the use of advanced technology can help to ensure that CGI is used effectively and seamlessly.