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What are Voxels and How are They Used in 3D Modeling?




If you are interested in 3D modeling, you may have heard of the term voxel. But what exactly is a voxel and how does it differ from other modeling methods? In this article, we will explain what voxels are, how they are rendered, how they store data, how they can be edited, and what are their advantages and disadvantages. By the end of this article, you will have a better understanding of voxels and their applications in various fields.


Introduction




A voxel is a volumetric pixel that represents a value on a regular grid in three-dimensional space. As with pixels in a 2D bitmap, voxels themselves do not typically have their position (i.e. coordinates) explicitly encoded with their values. Instead, rendering systems infer the position of a voxel based upon its position relative to other voxels (i.e., its position in the data structure that makes up a single volumetric image). In contrast to pixels and voxels, polygons are often explicitly represented by the coordinates of their vertices (as points). A direct consequence of this difference is that polygons can efficiently represent simple 3D structures with much empty or homogeneously filled space, while voxels excel at representing regularly sampled spaces that are non-h [assistant](#table) Article with HTML Formatting ```html What are Voxels and How are They Used in 3D Modeling?