{"slug":"encoding-directional-priors-as-model-constraints","title":"Encoding directional priors as model constraints","kind":"Preprint","blurb":"A first pass at making spatial-harmony rules legible to a diffusion model. From the Spatial × ML board.","published":"2026-05-10","board":"spatial-harmony-computed","cite_as":"Xooplab (2026). \"Encoding directional priors as model constraints.\" xooplab.com/publications/encoding-directional-priors-as-model-constraints","read_minutes":7,"claims":[{"id":"encoding-directional-priors-as-model-constraints#claim-1","text":"Twelve directional/adjacency rules from Vastu and Feng Shui can be expressed as compatible JSON-LD constraints with measurable tolerance."},{"id":"encoding-directional-priors-as-model-constraints#claim-2","text":"Layout outputs constrained on those rules were preferred 62%–38% in blind paired comparison (n=240)."},{"id":"encoding-directional-priors-as-model-constraints#claim-3","text":"Three of twelve rules account for most of the preference signal; the remaining nine are satisfied but invisible at this granularity."},{"id":"encoding-directional-priors-as-model-constraints#claim-4","text":"Light-and-airflow proxies improved 9–14% per room under the constrained generator."},{"id":"encoding-directional-priors-as-model-constraints#claim-5","text":"The result is a starting point, not a vindication of any specific tradition — null results on the other nine rules are also a contribution."}],"url":"https://xooplab.com/publications/encoding-directional-priors-as-model-constraints"}