Why do other template generators produce different templates for the same input data?
There are several possible explanations for discrepancies between template generators, the two most likely being grid resolution and interpolation method. Our calculation grid spacing is simply one-tenth the optical height. This provides a high degree of resolution, while keeping the maximum calculated value independent of drawing scale. Other template generators sacrifice accuracy to reduce calculation time (via grid size) for low optical height / large scale combinations. An explanation of our interpolation algorithm would be very lengthy, but you can check its relative accuracy with an exercise like the following: In Footprints™ print this IES file with 40000 lumens, 0.8 LLF, 32′ height, 1.5′ arm, no tilt, 30′ scale, and 3 isolines for a 1.0 fc minimum. Repeat this with another template generator. Finally, do the same in AGI32® (or similar point-by-point software), but then create a calculation grid with twice our resolution (spacing = 1/20th the height = 1.6′) and show isolines fo
There are several possible explanations for discrepancies between template generators, the two most likely being grid resolution and interpolation method. Our calculation grid spacing is simply one-tenth the optical height. This provides a high degree of resolution, while keeping the maximum calculated value independent of drawing scale. Other template generators sacrifice accuracy to reduce calculation time (via grid size) for low optical height / large scale combinations. An explanation of our interpolation algorithm would be very lengthy, but you can check its relative accuracy with an exercise like the following: In Footprints™ print this IES file with 40000 lumens, 0.8 LLF, 32′ height, 1.5′ arm, no tilt, 30′ scale, and 3 isolines for a 1.0 fc minimum. Repeat this with another template generator. Finally, do the same in AGI32® (or similar point-by-point software), but then create a calculation grid with twice our resolution (spacing = 1/20th the height = 1.6′) and show isolines for
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