Fixture Select your fixture CA (Standard) DM (Standard) HC JS MP-40 PF (Designer) PF (Standard) PL (Standard) SC (Designer) SC (Standard) SP (Standard) SP-A (Standard) TM (Standard) Lamp Select your lamp Riser Height Select your riser Enter the dimensions of your path Length ft ft m Width ft Fixture Layout ⓘ Staggered Symmetrical Linear Staggered Symmetrical Linear Light Uniformity (fc) ⓘ Less More Light uniformity controls the overlap of beams throughout your path, increasing the number of fixtures required with high uniformity and reducing fixtures with low uniformity. Less More Calculate Quantity On-Center Spacing