@prefix ns1: . @prefix rdf: . @prefix rdfs: . @prefix xml: . @prefix xsd: . ns1:curve ; ns1:effect , . a ns1:Curve ; rdfs:label "sub backs" . a ns1:Effect ; rdfs:label "sub backs" ; ns1:code "out = * " . a ns1:Effect, ; rdfs:label "blacklight" ; ns1:code "env = +1", "out = [env * p1, env * p2, env * p3, env * p4]", "p1 = env * * .5", "p2 = Strip.solid('R', (0,0,1))", "p3 = Strip.solid('L', (0,0,1))", "p4 = Blacklight(1)" .