Advantages of Normal Mapping
- Detailed surfaces: Using normal maps along with 3D objects makes them look much more realistic having a detailed surface. They capture every minute detail of the model.
- Efficient computation: Normal maps require fewer calculations and produce better results than using extra polygons in the object mesh. They are computationally less intensive.
- Reusability: Once a normal map is generated it can be reused again and again. However, if the object is made up of actual polygons then it may require computations every time it is rendered, which is not the case with normal mapping.
- Memory efficient: Normal maps are stored in texture images which are smaller in size than actual geometry information.
Normal Mapping in Computer Graphics
Computer Graphics has improved a lot in recent years. Nowadays it is much more realistic whether it is animated 3D videos or games. However, rendering such graphics with great detail can be quite hardware-intensive. That’s where normal mapping comes into the picture. It is a technique in computer graphics that uses mathematical computations to create detailed and realistic graphics without using extra polygons. It is a popular method for optimizing the rendering of computer graphics and adding details to it simultaneously. This technique uses something called normal maps which is a 2D image that contains information about the normals of the 3D object. In this article, we will look at what exactly is normal mapping.
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