What does 3D modeling mean

Three-dimensional modeling is a polygonal representation of an object, usually displayed using a computer or other video device. The objects displayed can be real-world entities or fictional objects. Anything that exists in physical nature can be represented by a 3D model. Extended Information Three-dimensional models are often generated using specialized software such as 3D modeling tools, but can also be generated by other methods. As a collection of points and other information, a 3D model can be generated manually or according to certain algorithms. Although they usually exist virtually on a computer or in a computer file, similar models depicted on paper can also be considered three-dimensional models. Three-dimensional models are widely used wherever three-dimensional graphics are used. In fact, their use predates the popularity of 3-D graphics on personal computers. Many computer games use pre-rendered 3D model images as sprites for real-time computer rendering.

Nowadays, 3D models are used in a variety of different fields. They are used in the medical industry to create accurate models of organs; in the film industry for moving characters, objects, and realistic movies; in the video game industry as a resource in computer and video games; in the scientific field as accurate models of chemical compounds; in the architectural industry to display proposed buildings or representations of landscapes; in the engineering community to design new equipment, vehicles, structures, and other applications; and in recent decades as a tool for designing new equipment, vehicles, structures, and other applications. engineering uses them to design new equipment, vehicles, structures, and other applications; and in recent decades, the field of earth sciences has begun to build 3D geological models.

3D models are inherently invisible, and can be rendered at different levels of detail based on simple `wireframes' or shaded in different ways. However, many 3D models are overlaid with textures, and the process of arranging textures onto a 3D model is called texture mapping. A texture is an image, but it allows the model to be more detailed and to look more realistic. For example, a 3D model of a person with textured skin and clothing looks more realistic than a simple monochrome model or wireframe model.

In addition to textures, other effects can be used to add realism to a 3D model. For example, the normals of surfaces can be adjusted to illuminate them, and some surfaces can be texture-mapped using convex-concave texture mapping methods, among other stereoscopic rendering techniques.

3D models are often animated, for example, in feature films and in computer and video games. They can be used in 3D modeling tools or on their own. To make animation easier, additional data is often added to the model. For example, some 3D models of humans or animals have a complete skeletal system so that movement looks more realistic and can be controlled by joints and bones.