3D Texturing

 

Texturing

A texture is an image (raster format) applied tructiepxoso to a polygonal model by overlaying in order to give the model texture, bump, and the desired color.

Texturing is an important stage in the process of creating and rendering a 3D model of a product, which allows you to give the surface of a volumetric object certain parameters and properties, to make it as realistic as possible and similar to a real object.

The texturing quality of an object is determined by units such as texil. Texil is a collection of pixels per 1 texture unit. The image format and resolution of the texture used directly determine the quality of the final results.Here discusses basic (texturation 3d) techniques

Texture Creation- Basic Techniques

There are the following main methods of creating textures:

  • rendering in a graphic 2d editor, for example, Photoshop;
  • creating a texture in a 3D painting package such as Mudbox, ZBrush, Mari or 3D-Coat;
  • construction based on procedural  gardenfrontier maps;
  • Complex application of procedural techniques of various kinds, 2d and 3d format.

For example, if you need to create a brick wall texture, then you need to perform the following sequence of actions:

  • Creation of a plane, search and refinement of the texture of a brick wall. Creation of a seamless texture of a brick wall in 2D programs;
  • a gloss map is created to give the texture of the brick wall a light, realistic sheen;
  • surface roughness is obtained by creating a roughness map;
  • the reflectivity of a brick wall is created using a reflection map.

After going through the sequence of these stages, the modeled plane will turn into a realistic natural brick wall.

Types of Texturing

There are the following main types  topplanetinfo of texturing

  • relief texturing;
  • MIP texturing.

Relief texturing is a technology for working with 3D graphics that allows you to create the surface of a modeled object in a rich and realistic design.

Types of bump mapping

  • Bump mapping is a technology that allows you to give the surface of a modeled object a relief effect and thoroughly detail it. This effect is created by virtually displacing pixels using a single band heightmap and a light source. As a result, participants with varying degrees of illumination can be obtained. Bump mapping is used to create difficult bumpy surfaces, protrusions and depressions.
  • Normal mapping – a method for changing the normal   of a pixel based on a color normal map. In this case, the changes are saved in texels. This method is the most accurate due to the use of 3 texture channels in the normal map.
  • Parallax occlusion mapping is a local ray tracing  speedposts technique used to determine the heights and visibility of texels. This method creates stronger relief depths. However, it does not allow for detailed detailing of objects.

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