Working of Radiosity Rendering
Now that we have some basic idea about what radiosity rendering is, let’s also take a look at the working of radiosity rendering as we understand that reduced rendering is a popular technique which is used in computer graphics to simulate how the different lights in a particular scene interact with the surfaces which help us to create a more realistic view of the light and give us a clear and natural animation quality the working of radiosity rendering happens in the following steps:
1. Scene Division
The first step is the division of the scene in this step the scene is divided into smaller elements which are polygons on the curved surfaces.
2. Form Factor Calculation
After the board, a weak calculates the form factor for each of the pair of polygons the form factor is used to represent the different amounts of light energy which leave one polygon and reflect at another polygon the form factor depends on the geometric relationship between the polygons and their distance from each other as well.
3. Matrix Equation
The radiosity technique uses a matrix equation to solve the radiosity value of each polygon or patch the equation is used to relate the radiosity of each patch to the form factor between the particular patch or polygon and all the other polygons it also considers the reflected light.
4. Iterative Solution
The matrix equation is then solved iteratively until the reduced values come to some stable values in this process we calculate the direct illumination from the light sources as well as the indirect illumination from the other sources as well.
5. Rendering
This is the last step of the Radiosity rendering in this step once the radiosity values for all of the patches are determined they are used to calculate the final colour of each patch or polygon this means that it takes into consideration the material properties such as colour and reflectivity etc.
Radiosity Rendering in Computer Graphics
Rendering is the process of generating images which look realistic, these renderings can be based on either 2D rendering or 3D and computer graphics are used when we want to manipulate a set of images in the form of pixels to show to computer devices. Computer graphics is used in many digital types of photography, film, entertainment, and other electronic gadgets.
In this article, we will understand the radiosity rendering in computer graphics in depth.