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AGi32 - Overview - Calculations
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AGi32 is a computational program that performs numerical point-by-point calculations of direct or reflected light incident on any real surface or imaginary plane. Within this scope, it is used to predict or quantify the distribution of artificial or natural light in any environment.

Calculation Methods

AGi32 allows you to select from two calculation techniques when simulating a lighting application: Direct Calculation Method and Full Radiosity Method. The use of either method has its merits and is an important choice you will need to make for any application. It is easy to move from one to the other and simply repeat the calculation.

Direct Calculation Method

Direct Calculation Method is a simplified calculation technique to be used when reflected light need not be considered in the results. This method lends itself particularly well to exterior lighting applications such as site lighting, roadway and sports applications. It may also be utilized for fast direct light calculations in interior facilities. Direct method is capable of point-by-point results only, it cannot be rendered. The obstructive nature of surfaces is considered.

AGi32 Direct calculation

Full Radiosity Method

The Full Radiosity Method enables all the features found in AGi32 for the accurate computation of interreflected light. Full Radiosity Method is required for interior lighting applications where interreflected light and indirect lighting are important or when rendering is desired. Due to the rigorous nature of interreflected lighting calculations, Full Radiosity Method projects will always require additional run time over Direct Method projects of the same scale.

AGi32 Full Radiosity calculation

Switching between Direct and Full Radiosity Method is as simple as a mouse click and can be performed anytime. When a project contains three-dimensional entities (Rooms & Objects), switching from Full Radiosity Method to Direct Calculation Method will change all three-dimensional entities into light blocking surfaces. All color and reflectance properties are disabled.

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