Comparison Study of Four Popular Lighting Simulation Software Programs

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Figure 26 AGI32 Daylight Study Parameters Window

AGI32 then offers two calculation options, direct only will only consider the direct component from a light source, while full Radiosity mode will consider all inter-reflected and direct components. (Fig. 26) After running the simulation for each of the three scenes, the following calculation times were recorded: •

24 second for Daylight only

35 seconds for Daylight and Artificial Light

10 seconds for Artificial Light only scene

ECOTECT/RADIANCE As Ecotect itself is capable of lighting calculations, (though basic by its own admission) it is necessary to export to the Radiance Software calculation manager in order for Radiance to carry out the calculations. Prior to this it is necessary to select each of the calculation points created in order to have a specific value assigned to each point.

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